XML 42 R2.htm IDEA: XBRL DOCUMENT
v3.24.2

Consolidated Statements of Income - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | $ 4,579.2 |  | $ 4,372.5 |  | $ 9,604.9 |  | $ 9,063.4 |
TOTAL REVENUES |  | 4,579.2 |  | 4,372.5 |  | 9,604.9 |  | 9,063.4 |
Expenses |  |  |  |  |  |  |  |  |
Other Operation |  | 817.3 |  | 631.2 |  | 1,579.6 |  | 1,311.2 |
Maintenance |  | 351.5 |  | 340.0 |  | 669.0 |  | 657.3 |
Asset Impairments and Other Related Charges |  | 142.5 |  | 0.0 |  | 142.5 |  | 0.0 |
Depreciation and Amortization |  | 821.9 |  | 741.6 |  | 1,609.0 |  | 1,517.1 |
Taxes Other Than Income Taxes |  | 393.6 |  | 360.4 |  | 804.0 |  | 755.3 |
TOTAL EXPENSES |  | 3,895.3 |  | 3,497.8 |  | 7,748.4 |  | 7,483.9 |
OPERATING INCOME (LOSS) |  | 683.9 |  | 874.7 |  | 1,856.5 |  | 1,579.5 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Other Income |  | 13.1 |  | 14.4 |  | 26.7 |  | 29.1 |
Allowance for Equity Funds Used During Construction |  | 55.2 |  | 41.0 |  | 98.8 |  | 72.3 |
Non-Service Cost Components of Net Periodic Benefit Cost |  | 37.4 |  | 55.2 |  | 82.5 |  | 110.7 |
Interest Expense |  | (465.6) |  | (460.0) |  | (901.2) |  | (875.7) |
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS |  | 324.0 |  | 525.3 |  | 1,163.3 |  | 915.9 |
Income Tax Expense (Benefit) |  | 6.7 |  | 28.6 |  | (135.2) |  | 39.0 |
Equity Earnings (Loss) of Unconsolidated Subsidiaries |  | 25.2 |  | 19.4 |  | 49.7 |  | 39.6 |
Net Income (Loss) |  | 342.5 |  | 516.1 |  | 1,348.2 |  | 916.5 |
Net Income (Loss) Attributable to Noncontrolling Interests |  | 2.2 |  | (5.1) |  | 4.8 |  | (1.7) |
Earnings Attributable to Common Shareholders |  | $ 340.3 |  | $ 521.2 |  | $ 1,343.4 |  | $ 918.2 |
Earnings Per Share |  |  |  |  |  |  |  |  |
Weighted Average Number of Basic AEP Common Shares Outstanding |  | 528,898,816 |  | 514,879,144 |  | 527,725,426 |  | 514,529,837 |
Total Basic Earnings Per Share Attributable to AEP Common Shareholders |  | $ 0.64 |  | $ 1.01 |  | $ 2.55 |  | $ 1.78 |
Weighted Average Number of Diluted AEP Common Shares Outstanding |  | 530,140,990 |  | 516,242,919 |  | 528,868,693 |  | 515,922,446 |
Total Diluted Earnings Per Share Attributable to AEP Common Shareholders |  | $ 0.64 |  | $ 1.01 |  | $ 2.54 |  | $ 1.78 |
Common Stock, Dividends Per Share, Declared |  | $ 0.88 |  | $ 0.83 |  |  |  |  |
Acquisition Of Nuclear Fuel Included In Current Liabilities |  |  |  |  |  | $ 8.2 |  | $ (36.0) |
Cash Flow Hedges, Tax |  | $ 5.9 |  | $ 9.3 |  | 4.3 |  | (31.2) |
Amortization of Pension and OPEB Deferred Costs, Tax |  | 0.0 |  | (0.8) |  | (0.2) |  | (5.1) |
Competitive Contracted Renewable Portfolio |  |  |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |  |  |
Asset Impairments and Other Related Charges |  | 0.0 |  | 0.0 |  | 0.0 |  | 112.0 |
Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
Vertically Integrated Utilities [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 2,572.0 |  | 2,629.0 |  | 5,473.2 |  | 5,445.3 |
Transmission and Distribution Utilities [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 1,428.8 |  | 1,330.8 |  | 2,912.0 |  | 2,786.1 |
Generation and Marketing [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 442.5 |  | 318.2 |  | 958.4 |  | 645.1 |
Other Revenues [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 135.9 |  | 94.5 |  | 261.3 |  | 186.9 |
TOTAL REVENUES |  | (42.8) | [1],[2] | (128.8) | [3],[4] | (103.6) | [5],[6] | (258.7) | [7],[8]
Purchased Electricity, Fuel and Other Consumables Used for Electric Generation [Member] |  |  |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |  |  |
Cost of Goods and Services Sold |  | 1,368.5 |  | 1,424.6 |  | 2,944.3 |  | 3,131.0 |
AEP Texas Inc. [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
TOTAL REVENUES |  | 539.6 |  | 461.2 |  | 1,006.0 |  | 890.7 |
Expenses |  |  |  |  |  |  |  |  |
Other Operation |  | 147.8 |  | 93.9 |  | 288.6 |  | 240.8 |
Maintenance |  | 21.7 |  | 26.3 |  | 43.8 |  | 50.7 |
Depreciation and Amortization |  | 124.9 |  | 114.9 |  | 241.6 |  | 225.9 |
Taxes Other Than Income Taxes |  | 40.6 |  | 44.8 |  | 80.6 |  | 88.3 |
TOTAL EXPENSES |  | 335.0 |  | 279.9 |  | 654.6 |  | 605.7 |
OPERATING INCOME (LOSS) |  | 204.6 |  | 181.3 |  | 351.4 |  | 285.0 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Interest Income |  | 2.1 |  | 0.6 |  | 2.6 |  | 1.0 |
Allowance for Equity Funds Used During Construction |  | 15.5 |  | 5.3 |  | 24.1 |  | 11.6 |
Non-Service Cost Components of Net Periodic Benefit Cost |  | 3.4 |  | 4.8 |  | 7.1 |  | 9.6 |
Interest Expense |  | (59.3) |  | (56.3) |  | (120.8) |  | (113.2) |
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS |  | 166.3 |  | 135.7 |  | 264.4 |  | 194.0 |
Income Tax Expense (Benefit) |  | 37.9 |  | 26.6 |  | 56.3 |  | 37.3 |
Net Income (Loss) |  | 128.4 |  | 109.1 |  | 208.1 |  | 156.7 |
Earnings Per Share |  |  |  |  |  |  |  |  |
Cash Flow Hedges, Tax |  | 0.6 |  | 0.8 |  | 1.6 |  | 0.8 |
Amortization of Pension and OPEB Deferred Costs, Tax |  | 0.0 |  | 0.0 |  | 0.0 |  | (0.1) |
AEP Texas Inc. [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 1.4 |  | 1.3 |  | 2.7 |  | 2.5 |
AEP Texas Inc. [Member] | Transmission and Distribution Utilities [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 537.7 |  | 459.4 |  | 1,000.7 |  | 887.1 |
AEP Texas Inc. [Member] | Other Revenues [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 0.5 |  | 0.5 |  | 2.6 |  | 1.1 |
TOTAL REVENUES |  | 0.0 | [9] | 0.0 | [10] | 0.0 | [11] | 0.0 | [12]
AEP Transmission Co [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Provision for Refund Affiliated |  | (16.6) |  | (8.3) |  | (22.6) |  | (13.1) |
Provision for Refund-Nonaffiliated |  | (0.3) |  | (2.8) |  | (1.7) |  | (3.8) |
TOTAL REVENUES |  | 475.2 |  | 444.9 |  | 958.0 |  | 886.5 |
Expenses |  |  |  |  |  |  |  |  |
Other Operation |  | 40.0 |  | 26.4 |  | 69.9 |  | 55.4 |
Maintenance |  | 5.0 |  | 4.3 |  | 10.3 |  | 9.2 |
Depreciation and Amortization |  | 106.7 |  | 96.4 |  | 212.6 |  | 191.6 |
Taxes Other Than Income Taxes |  | 75.5 |  | 68.0 |  | 148.9 |  | 142.8 |
TOTAL EXPENSES |  | 227.2 |  | 195.1 |  | 441.7 |  | 399.0 |
OPERATING INCOME (LOSS) |  | 248.0 |  | 249.8 |  | 516.3 |  | 487.5 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Interest Income |  | 4.3 |  | 2.6 |  | 6.2 |  | 4.1 |
Allowance for Equity Funds Used During Construction |  | 22.5 |  | 23.1 |  | 40.4 |  | 39.5 |
Interest Expense |  | (51.4) |  | (50.7) |  | (106.2) |  | (95.9) |
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS |  | 223.4 |  | 224.8 |  | 456.7 |  | 435.2 |
Income Tax Expense (Benefit) |  | 47.7 |  | 49.1 |  | 99.8 |  | 96.8 |
Net Income (Loss) |  | 175.7 |  | 175.7 |  | 356.9 |  | 338.4 |
Earnings Per Share |  |  |  |  |  |  |  |  |
Revenues from Related Parties, Net of Provisions for Refund |  | 377.8 |  | 357.5 |  | 761.2 |  | 710.1 |
AEP Transmission Co [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 394.4 |  | 365.8 |  | 783.8 |  | 723.2 |
AEP Transmission Co [Member] | AEPTCo Parent [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
TOTAL REVENUES |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Net Income (Loss) | [13] | 0.5 |  | 1.5 |  | 0.0 |  | 2.6 |
AEP Transmission Co [Member] | AEPTCo Parent [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
AEP Transmission Co [Member] | State Transcos [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
TOTAL REVENUES |  | 475.2 |  | 444.9 |  | 958.0 |  | 886.5 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Net Income (Loss) |  | 175.2 |  | 174.2 |  | 356.9 |  | 335.8 |
AEP Transmission Co [Member] | State Transcos [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 377.8 |  | 357.5 |  | 761.2 |  | 710.1 |
AEP Transmission Co [Member] | Transmission [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 97.3 |  | 90.2 |  | 195.7 |  | 180.2 |
Earnings Per Share |  |  |  |  |  |  |  |  |
Revenue from Contract with Customers, Net of Provisions for Refund, Including Assessed Tax |  | 97.0 |  | 87.4 |  | 194.0 |  | 176.4 |
AEP Transmission Co [Member] | Transmission [Member] | State Transcos [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 97.0 |  | 87.4 |  | 194.0 |  | 176.4 |
AEP Transmission Co [Member] | Other Revenues [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 0.4 |  | 0.0 |  | 2.8 |  | 0.0 |
TOTAL REVENUES |  | 0.0 | [9] | 0.0 | [10] | 0.0 | [11] | 0.0 | [12]
Earnings Per Share |  |  |  |  |  |  |  |  |
Revenue from Contract with Customers, Net of Provisions for Refund, Including Assessed Tax |  | 0.4 |  |  |  | 2.8 |  |  |
AEP Transmission Co [Member] | Other Revenues [Member] | AEPTCo Parent [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 0.0 |  |  |  | 0.0 |  |  |
AEP Transmission Co [Member] | Other Revenues [Member] | State Transcos [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 0.4 |  |  |  | 2.8 |  |  |
Appalachian Power Co [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
TOTAL REVENUES |  | 910.2 |  | 826.5 |  | 2,003.2 |  | 1,814.2 |
Expenses |  |  |  |  |  |  |  |  |
Other Operation |  | 212.0 |  | 189.9 |  | 424.6 |  | 381.7 |
Maintenance |  | 78.3 |  | 75.1 |  | 158.3 |  | 148.2 |
Depreciation and Amortization |  | 145.7 |  | 138.1 |  | 295.5 |  | 281.1 |
Taxes Other Than Income Taxes |  | 42.2 |  | 41.2 |  | 88.2 |  | 83.0 |
TOTAL EXPENSES |  | 783.0 |  | 722.2 |  | 1,668.2 |  | 1,511.6 |
OPERATING INCOME (LOSS) |  | 127.2 |  | 104.3 |  | 335.0 |  | 302.6 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Interest Income |  | 1.2 |  | 0.8 |  | 2.0 |  | 1.4 |
Allowance for Equity Funds Used During Construction |  | 4.3 |  | 2.7 |  | 7.2 |  | 5.1 |
Non-Service Cost Components of Net Periodic Benefit Cost |  | 6.4 |  | 8.2 |  | 13.5 |  | 16.3 |
Interest Expense |  | (68.1) |  | (66.9) |  | (136.2) |  | (132.2) |
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS |  | 71.0 |  | 49.1 |  | 221.5 |  | 193.2 |
Income Tax Expense (Benefit) |  | 12.7 |  | 6.2 |  | 26.7 |  | 37.8 |
Net Income (Loss) |  | 58.3 |  | 42.9 |  | 194.8 |  | 155.4 |
Earnings Per Share |  |  |  |  |  |  |  |  |
Cash Flow Hedges, Tax |  | 0.0 |  | 0.0 |  | (0.1) |  | (0.1) |
Amortization of Pension and OPEB Deferred Costs, Tax |  | 0.0 |  | (0.2) |  | (0.1) |  | (0.4) |
Appalachian Power Co [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 54.8 |  | 61.1 |  | 117.9 |  | 130.7 |
Appalachian Power Co [Member] | Vertically Integrated Utilities [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 851.7 |  | 762.5 |  | 1,876.0 |  | 1,677.0 |
Appalachian Power Co [Member] | Other Revenues [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 3.7 |  | 2.9 |  | 9.3 |  | 6.5 |
TOTAL REVENUES |  | 0.0 | [9] | 0.0 | [10] | 0.1 | [11] | 0.0 | [12]
Appalachian Power Co [Member] | Fuel and Other Consumables Used for Electric Generation [Member] |  |  |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |  |  |
Cost of Goods and Services Sold |  | 304.8 |  | 277.9 |  | 701.6 |  | 617.6 |
Indiana Michigan Power Co [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
TOTAL REVENUES |  | 594.3 |  | 599.2 |  | 1,261.7 |  | 1,262.2 |
Expenses |  |  |  |  |  |  |  |  |
Purchased Electricity from AEP Affiliates |  | 44.5 |  | 37.1 |  | 106.0 |  | 82.2 |
Other Operation |  | 190.3 |  | 170.1 |  | 368.5 |  | 339.8 |
Maintenance |  | 63.2 |  | 57.1 |  | 115.6 |  | 115.7 |
Asset Impairments and Other Related Charges |  | 13.4 |  | 0.0 |  | 13.4 |  | 0.0 |
Depreciation and Amortization |  | 118.3 |  | 111.0 |  | 226.6 |  | 236.2 |
Taxes Other Than Income Taxes |  | 24.6 |  | 20.6 |  | 47.9 |  | 40.1 |
TOTAL EXPENSES |  | 540.4 |  | 489.8 |  | 1,086.7 |  | 1,007.1 |
OPERATING INCOME (LOSS) |  | 53.9 |  | 109.4 |  | 175.0 |  | 255.1 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Other Income |  | 3.2 |  | 3.0 |  | 6.4 |  | 3.6 |
Allowance for Equity Funds Used During Construction |  |  |  |  |  | 6.7 |  | 2.8 |
Non-Service Cost Components of Net Periodic Benefit Cost |  | 6.5 |  | 7.7 |  | 13.2 |  | 15.7 |
Interest Expense |  | (37.0) |  | (35.8) |  | (63.2) |  | (69.0) |
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS |  | 26.6 |  | 84.3 |  | 131.4 |  | 205.4 |
Income Tax Expense (Benefit) |  | (8.6) |  | 9.5 |  | (48.8) |  | 27.8 |
Net Income (Loss) |  | 35.2 |  | 74.8 |  | 180.2 |  | 177.6 |
Earnings Per Share |  |  |  |  |  |  |  |  |
Acquisition Of Nuclear Fuel Included In Current Liabilities |  |  |  |  |  | 8.2 |  | 36.0 |
Cash Flow Hedges, Tax |  | 0.1 |  | 0.0 |  | 0.1 |  | (0.2) |
Amortization of Pension and OPEB Deferred Costs, Tax |  | 0.0 |  | (0.1) |  | 0.0 |  | (0.6) |
Indiana Michigan Power Co [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 2.1 |  | 1.9 |  | 3.9 |  | 3.1 |
Indiana Michigan Power Co [Member] | Vertically Integrated Utilities [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 569.6 |  | 580.4 |  | 1,217.4 |  | 1,223.2 |
Indiana Michigan Power Co [Member] | Other Revenues [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 2.1 |  | 2.4 |  | 4.9 |  | 5.5 |
TOTAL REVENUES |  | 4.4 | [9] | 0.0 | [10] | (21.5) | [11] | 0.0 | [12]
Indiana Michigan Power Co [Member] | Other Revenues [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 20.5 |  | 14.5 |  | 35.5 |  | 30.4 |
Indiana Michigan Power Co [Member] | Purchased Electricity, Fuel and Other Consumables Used for Electric Generation [Member] |  |  |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |  |  |
Cost of Goods and Services Sold |  | 86.1 |  | 93.9 |  | 208.7 |  | 193.1 |
Ohio Power Co [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
TOTAL REVENUES |  | 896.3 |  | 879.1 |  | 1,920.1 |  | 1,913.7 |
Expenses |  |  |  |  |  |  |  |  |
Purchased Electricity from AEP Affiliates |  | 25.5 |  | 11.6 |  | 72.1 |  | 11.6 |
Other Operation |  | 283.8 |  | 265.4 |  | 577.0 |  | 539.2 |
Maintenance |  | 67.1 |  | 51.2 |  | 128.4 |  | 95.5 |
Asset Impairments and Other Related Charges |  | 52.9 |  | 0.0 |  | 52.9 |  | 0.0 |
Depreciation and Amortization |  | 102.0 |  | 68.2 |  | 207.8 |  | 143.4 |
Taxes Other Than Income Taxes |  | 137.3 |  | 114.2 |  | 288.1 |  | 249.5 |
TOTAL EXPENSES |  | 853.6 |  | 778.2 |  | 1,770.0 |  | 1,699.4 |
OPERATING INCOME (LOSS) |  | 42.7 |  | 100.9 |  | 150.1 |  | 214.3 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Other Income |  | 0.1 |  | 0.2 |  | 0.1 |  | 0.3 |
Allowance for Equity Funds Used During Construction |  | 4.3 |  | 2.9 |  | 9.8 |  | 5.7 |
Non-Service Cost Components of Net Periodic Benefit Cost |  | 5.3 |  | 6.5 |  | 10.8 |  | 13.0 |
Interest Expense |  | (36.6) |  | (31.9) |  | (71.2) |  | (63.0) |
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS |  | 15.8 |  | 78.6 |  | 99.6 |  | 170.3 |
Income Tax Expense (Benefit) |  | (2.6) |  | 10.9 |  | 10.6 |  | 24.6 |
Net Income (Loss) |  | 18.4 |  | 67.7 |  | 89.0 |  | 145.7 |
Ohio Power Co [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 5.7 |  | 8.2 |  | 11.4 |  | 15.8 |
Ohio Power Co [Member] | Transmission and Distribution Utilities [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 887.8 |  | 868.8 |  | 1,903.2 |  | 1,890.6 |
Ohio Power Co [Member] | Other Revenues [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 2.8 |  | 2.1 |  | 5.5 |  | 7.3 |
TOTAL REVENUES |  | 4.0 | [9] | 6.0 | [10] | 11.9 | [11] | 17.1 | [12]
Ohio Power Co [Member] | Purchased Electricity, Fuel and Other Consumables Used for Electric Generation [Member] |  |  |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |  |  |
Cost of Goods and Services Sold |  | 185.0 |  | 267.6 |  | 443.7 |  | 660.2 |
Public Service Co Of Oklahoma [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
TOTAL REVENUES |  | 458.8 |  | 474.7 |  | 846.6 |  | 891.7 |
Expenses |  |  |  |  |  |  |  |  |
Other Operation |  | 119.3 |  | 87.5 |  | 215.9 |  | 179.6 |
Maintenance |  | 24.9 |  | 28.5 |  | 53.0 |  | 57.3 |
Depreciation and Amortization |  | 64.1 |  | 64.9 |  | 131.5 |  | 126.0 |
Taxes Other Than Income Taxes |  | 24.4 |  | 15.0 |  | 41.4 |  | 32.3 |
TOTAL EXPENSES |  | 412.7 |  | 419.0 |  | 770.7 |  | 818.4 |
OPERATING INCOME (LOSS) |  | 46.1 |  | 55.7 |  | 75.9 |  | 73.3 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Interest Income |  | 0.3 |  | 0.1 |  | 0.5 |  | 1.1 |
Allowance for Equity Funds Used During Construction |  | 0.9 |  | 1.4 |  | 3.3 |  | 2.9 |
Non-Service Cost Components of Net Periodic Benefit Cost |  | 2.7 |  | 3.5 |  | 5.6 |  | 7.1 |
Interest Expense |  | (26.9) |  | (26.8) |  | (43.7) |  | (52.0) |
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS |  | 23.1 |  | 33.9 |  | 41.6 |  | 32.4 |
Income Tax Expense (Benefit) |  | (13.2) |  | (17.1) |  | (66.7) |  | (16.3) |
Net Income (Loss) |  | 36.3 |  | 51.0 |  | 108.3 |  | 48.7 |
Earnings Per Share |  |  |  |  |  |  |  |  |
Cash Flow Hedges, Tax |  | 0.0 |  | 0.0 |  | 0.0 |  | (0.4) |
Public Service Co Of Oklahoma [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 1.1 |  | 0.1 |  | 4.6 |  | 0.8 |
Public Service Co Of Oklahoma [Member] | Vertically Integrated Utilities [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 448.1 |  | 472.4 |  | 826.2 |  | 887.2 |
Public Service Co Of Oklahoma [Member] | Other Revenues [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 9.6 |  | 2.2 |  | 15.8 |  | 3.7 |
TOTAL REVENUES |  | 0.0 | [9] | 0.0 | [10] | 0.0 | [11] | 0.0 | [12]
Public Service Co Of Oklahoma [Member] | Purchased Electricity, Fuel and Other Consumables Used for Electric Generation [Member] |  |  |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |  |  |
Cost of Goods and Services Sold |  | 180.0 |  | 223.1 |  | 328.9 |  | 423.2 |
Southwestern Electric Power Co [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Provision for Refund |  | (169.2) |  | (8.5) |  | (180.1) |  | (4.1) |
TOTAL REVENUES |  | 395.8 |  | 537.8 |  | 912.0 |  | 1,053.7 |
Expenses |  |  |  |  |  |  |  |  |
Other Operation |  | 116.3 |  | 85.2 |  | 229.2 |  | 184.4 |
Maintenance |  | 53.4 |  | 45.0 |  | 90.6 |  | 82.7 |
Depreciation and Amortization |  | 101.2 |  | 85.8 |  | 179.9 |  | 166.2 |
Taxes Other Than Income Taxes |  | 25.5 |  | 32.1 |  | 59.7 |  | 68.2 |
TOTAL EXPENSES |  | 489.8 |  | 438.0 |  | 937.4 |  | 900.7 |
OPERATING INCOME (LOSS) |  | (94.0) |  | 99.8 |  | (25.4) |  | 153.0 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Interest Income |  | 4.3 |  | 5.3 |  | 8.3 |  | 10.7 |
Allowance for Equity Funds Used During Construction |  | 3.4 |  | 2.5 |  | 6.8 |  | 3.0 |
Non-Service Cost Components of Net Periodic Benefit Cost |  | 2.4 |  | 3.4 |  | 5.0 |  | 6.8 |
Interest Expense |  | (29.7) |  | (40.1) |  | (43.2) |  | (65.1) |
INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS |  | (113.6) |  | 70.9 |  | (48.5) |  | 108.4 |
Income Tax Expense (Benefit) |  | (44.2) |  | (10.0) |  | (188.3) |  | (14.0) |
Equity Earnings (Loss) of Unconsolidated Subsidiaries |  | 0.3 |  | 0.4 |  | 0.7 |  | 0.7 |
Net Income (Loss) |  | (69.1) |  | 81.3 |  | 140.5 |  | 123.1 |
Net Income (Loss) Attributable to Noncontrolling Interests |  | 1.0 |  | 0.3 |  | 2.5 |  | 1.5 |
Earnings Attributable to Common Shareholders |  | (70.1) |  | 81.0 |  | 138.0 |  | 121.6 |
Earnings Per Share |  |  |  |  |  |  |  |  |
Cash Flow Hedges, Tax |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.1 |
Amortization of Pension and OPEB Deferred Costs, Tax |  | 0.0 |  | (0.1) |  | 0.0 |  | (0.2) |
Southwestern Electric Power Co [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 16.5 |  | 19.7 |  | 30.4 |  | 31.3 |
Southwestern Electric Power Co [Member] | Vertically Integrated Utilities [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 546.1 |  | 525.8 |  | 1,055.4 |  | 1,025.2 |
Southwestern Electric Power Co [Member] | Other Revenues [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 2.4 |  | 0.8 |  | 6.3 |  | 1.3 |
TOTAL REVENUES |  | 0.0 | [9] | 0.0 | [10] | 0.0 | [11] | 0.0 | [12]
Southwestern Electric Power Co [Member] | Purchased Electricity, Fuel and Other Consumables Used for Electric Generation [Member] |  |  |  |  |  |  |  |  |
Expenses |  |  |  |  |  |  |  |  |
Cost of Goods and Services Sold |  | 193.4 |  | 189.9 |  | 378.0 |  | 399.2 |
Reconciling Adjustments [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
TOTAL REVENUES |  | (490.8) |  | (464.2) |  | (1,016.8) |  | (907.9) |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Net Income (Loss) |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
Reconciling Adjustments [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers | [14] | (490.8) |  | (464.2) |  | (1,016.8) |  | (907.9) |
Reconciling Adjustments [Member] | Other Revenues [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
TOTAL REVENUES |  | (2.4) | [1],[2] | (2.0) | [3],[4] | 5.6 | [5],[6] | (2.9) | [7],[8]
Reconciling Adjustments [Member] | AEP Transmission Co [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
TOTAL REVENUES |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
Other Income (Expense): |  |  |  |  |  |  |  |  |
Net Income (Loss) |  | 0.0 |  | 0.0 |  | 0.0 |  | 0.0 |
Reconciling Adjustments [Member] | AEP Transmission Co [Member] | Related Party |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | 0.0 |  | $ 0.0 |  | 0.0 |  | $ 0.0 |
Reconciling Adjustments [Member] | AEP Transmission Co [Member] | Other Revenues [Member] |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |
Revenue from Contracts with Customers |  | $ 0.0 |  |  |  | $ 0.0 |  |  |
[1] | Amounts include affiliated and nonaffiliated revenues.
[2] | Generation & Marketing includes economic hedge activity.
[3] | Generation & Marketing includes economic hedge activity.
[4] | Amounts include affiliated and nonaffiliated revenues
[5] | Amounts include affiliated and nonaffiliated revenues.
[6] | Generation & Marketing includes economic hedge activity.
[7] | Generation & Marketing includes economic hedge activity.
[8] | Amounts include affiliated and nonaffiliated revenues
[9] | Amounts include affiliated and nonaffiliated revenues.
[10] | Amounts include affiliated and nonaffiliated revenues.
[11] | Amounts include affiliated and nonaffiliated revenues.
[12] | Amounts include affiliated and nonaffiliated revenues.
[13] | Includes the elimination of AEPTCo Parent’s equity earnings in the State Transcos.
[14] | Represents inter-segment revenues.

X
- Definition Future cash outflow to pay for acquired nuclear fuel. + References No definition available. + Details
Name: | aep_AcquisitionOfNuclearFuelIncludedInCurrentLiabilities
Namespace Prefix: | aep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cost of electricity purchased as well as fuel used to generate electricity used in operations and sold during the reporting period from affiliate. + References No definition available. + Details
Name: | aep_CostOfPurchasedPowerFromAffiliate
Namespace Prefix: | aep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Provision for Refund + References No definition available. + Details
Name: | aep_ProvisionForRefund
Namespace Prefix: | aep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Provision for Refund-Affiliated + References No definition available. + Details
Name: | aep_ProvisionForRefundAffiliated
Namespace Prefix: | aep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Provision for Refund-Nonaffiliated + References No definition available. + Details
Name: | aep_ProvisionForRefundNonaffiliated
Namespace Prefix: | aep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Revenue from Contract with Customers, Net of Provisions for Refund, Including Assessed Tax + References No definition available. + Details
Name: | aep_RevenueFromContractWithCustomersNetOfProvisionsForRefundIncludingAssessedTax
Namespace Prefix: | aep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Revenues from Related Parties, Net of Provisions for Refund + References No definition available. + Details
Name: | aep_RevenuesFromRelatedPartiesNetOfProvisionsForRefund
Namespace Prefix: | aep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482130/360-10-45-4 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479941/924-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482635/260-10-55-15 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (e)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480175/815-40-65-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480175/815-40-65-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-7 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-2 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-60B Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-4 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-10 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(25)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(27)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 16: http://www.xbrl.org/2003/role/exampleRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 52 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482635/260-10-55-52 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-7 + Details
Name: | us-gaap_EarningsPerShareBasic
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482635/260-10-55-15 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (e)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480175/815-40-65-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480175/815-40-65-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-7 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-2 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-60B Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-4 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(25)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(27)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 15: http://www.xbrl.org/2003/role/exampleRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 52 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482635/260-10-55-52 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-7 + Details
Name: | us-gaap_EarningsPerShareDiluted
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(8)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481664/323-10-45-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
Name: | us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-10 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479360/740-10-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(9)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Subparagraph (a) -SubTopic 20 -Topic 740 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482659/740-20-45-2 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -SubTopic 10 -Topic 235 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480167/946-830-55-10 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483581/946-220-45-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(3)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-3 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (210.5-03(11)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483013/835-20-50-1 + Details
Name: | us-gaap_InterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_InvestmentIncomeInterestAndDividend
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(17)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482765/220-10-50-6 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481203/810-10-50-1A Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -Publisher FASB -URI https://asc.fasb.org//1943274/2147481175/810-10-55-4J Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1B + Details
Name: | us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-4 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 6.B) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-5 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-10 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-11 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-60B + Details
Name: | us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480535/715-20-45-3A + Details
Name: | us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. + References No definition available. + Details
Name: | us-gaap_OperatingExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OperatingExpensesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (d) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-10A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 12 -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-12 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (i-k) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-10A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 12 -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-12 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 19 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481231/810-10-45-19 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of income (expense) related to nonoperating activities, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_OtherNonoperatingIncomeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OtherNonoperatingIncomeExpenseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-28 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480175/815-40-65-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-8 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-9 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480167/946-830-55-11 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 205 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480767/946-205-45-3 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section 45 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483581/946-220-45-7 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(9)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(1)(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-3 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 19 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481231/810-10-45-19 Reference 16: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482765/220-10-50-6 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 18: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 26: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 27: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 28: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 29: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 30: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 31: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-05(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479557/942-235-S99-1 Reference 32: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483499/205-20-50-7 Reference 33: http://www.xbrl.org/2003/role/exampleRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 4J -Publisher FASB -URI https://asc.fasb.org//1943274/2147481175/810-10-55-4J Reference 34: http://www.xbrl.org/2003/role/exampleRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 4K -Publisher FASB -URI https://asc.fasb.org//1943274/2147481175/810-10-55-4K Reference 35: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1A Reference 36: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1B Reference 37: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-2 Reference 38: http://www.xbrl.org/2003/role/disclosureRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481203/810-10-50-1A Reference 39: http://www.xbrl.org/2003/role/disclosureRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481203/810-10-50-1A + Details
Name: | us-gaap_ProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481668/980-835-25-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482064/980-835-45-1 + Details
Name: | us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479941/924-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-4 + Details
Name: | us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-28 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-42 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-40 Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-05(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479557/942-235-S99-1 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RevenuesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_TaxesExcludingIncomeAndExciseTaxes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of operating expense for depreciation and amortization of regulated operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of operating expense for routine plant maintenance and repairs of regulated operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_UtilitiesOperatingExpenseMaintenance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of operating expense for routine operations of regulated operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_UtilitiesOperatingExpenseOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 16 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-16 + Details
Name: | us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-10 + Details
Name: | us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PublicUtilityAxis=aep_CompetitiveContractedRenewablePortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedAndNonrelatedPartyStatusAxis=us-gaap_RelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ElectricityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=aep_TransmissionandDistributionUtilitiesRevenuesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=aep_GenerationAndMarketingRevenuesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=aep_OtherRevenuesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=aep_PurchasedElectricityFuelAndOtherConsumablesUsedForElectricGenerationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_AEPTexasInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_AEPTransmissionCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=aep_AEPTCoParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=aep_StateTranscosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ElectricTransmissionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_AppalachianPowerCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ElectricityGenerationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_IndianaMichiganPowerCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_OhioPowerCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ElectricityPurchasedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_PublicServiceCoOfOklahomaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=aep_SouthwesternElectricPowerCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ConsolidationEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |