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Guarantee of Securities of Subsidiaries Income Statement and Comprehensive Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Guarantor Obligations [Line Items] |  |  |
Total Revenues | $ 13,209 | $ 14,144 | $ 13,705
Costs of sales | 3,263 | 4,421 | 4,345
Depreciation, depletion and amortization | 2,411 | 2,297 | 2,261
Other operating expense | (3) | (3) | (1)
Total Operating Costs, Expenses and Other | 8,336 | 10,350 | 10,176
Operating Income | 4,873 | 3,794 | 3,529
Earnings from equity investments | 101 | 617 | 428
Interest, net | (1,801) | (1,917) | (1,832)
Amortization of excess cost of equity investments and other, net | 75 | 107 | 97
Income Before Income Taxes | 3,165 | 2,506 | 2,161
Income Tax Expense | (926) | (587) | (1,938)
Net Income | 2,239 | 1,919 | 223
Net Income Attributable to Noncontrolling Interests | (49) | (310) | (40)
Net Income Attributable to Kinder Morgan, Inc. | 2,190 | 1,609 | 183
Preferred Stock Dividends | 0 | (128) | (156)
Net Income Available to Common Stockholders | 2,190 | 1,481 | 27
Total other comprehensive income | 14 | 338 | 115
Comprehensive income | 2,253 | 2,257 | 338
Comprehensive income attributable to noncontrolling interests | (66) | (328) | (86)
Comprehensive income attributable to KMI | 2,187 | 1,929 | 252
Parent Issuer and Guarantor |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | 0 | 0 | 35
Costs of sales | 0 | 0 | 0
Depreciation, depletion and amortization | 20 | 19 | 16
Other operating expense | 0 | (39) | 78
Total Operating Costs, Expenses and Other | 20 | (20) | 94
Operating Income | (20) | 20 | (59)
Earnings from consolidated subsidiaries | 3,690 | 2,760 | 3,575
Earnings from equity investments | 0 | 0 | 0
Interest, net | (757) | (780) | (701)
Amortization of excess cost of equity investments and other, net | (15) | 27 | 2
Income Before Income Taxes | 2,898 | 2,027 | 2,817
Income Tax Expense | (708) | (418) | (2,634)
Net Income | 2,190 | 1,609 | 183
Net Income Attributable to Noncontrolling Interests | 0 | 0 | 0
Net Income Attributable to Kinder Morgan, Inc. | 2,190 | 1,609 | 183
Preferred Stock Dividends |  | (128) | (156)
Net Income Available to Common Stockholders |  | 1,481 | 27
Total other comprehensive income | (3) | 320 | 69
Comprehensive income | 2,187 | 1,929 | 252
Comprehensive income attributable to noncontrolling interests | 0 | 0 | 0
Comprehensive income attributable to KMI | 2,187 | 1,929 | 252
Subsidiary Issuer and Guarantor - KMP |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | 0 | 0 | 0
Costs of sales | 0 | 0 | 0
Depreciation, depletion and amortization | 0 | 0 | 0
Other operating expense | 1 | 1 | 1
Total Operating Costs, Expenses and Other | 1 | 1 | 1
Operating Income | (1) | (1) | (1)
Earnings from consolidated subsidiaries | 3,948 | 2,533 | 2,681
Earnings from equity investments | 0 | 0 | 0
Interest, net | (2) | (8) | 7
Amortization of excess cost of equity investments and other, net | (2) | 0 | 0
Income Before Income Taxes | 3,943 | 2,524 | 2,687
Income Tax Expense | (3) | 68 | (5)
Net Income | 3,940 | 2,592 | 2,682
Net Income Attributable to Noncontrolling Interests | 0 | 0 | 0
Net Income Attributable to Kinder Morgan, Inc. | 3,940 | 2,592 | 2,682
Preferred Stock Dividends |  | 0 | 0
Net Income Available to Common Stockholders |  | 2,592 | 2,682
Total other comprehensive income | 28 | 290 | 194
Comprehensive income | 3,968 | 2,882 | 2,876
Comprehensive income attributable to noncontrolling interests | 0 | 0 | 0
Comprehensive income attributable to KMI | 3,968 | 2,882 | 2,876
Subsidiary Guarantors |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | 12,016 | 12,767 | 12,202
Costs of sales | 3,160 | 4,247 | 4,124
Depreciation, depletion and amortization | 2,114 | 1,971 | 1,933
Other operating expense | 2,248 | 3,693 | 3,014
Total Operating Costs, Expenses and Other | 7,522 | 9,911 | 9,071
Operating Income | 4,494 | 2,856 | 3,131
Earnings from consolidated subsidiaries | 857 | 599 | 419
Earnings from equity investments | 101 | 617 | 428
Interest, net | (1,019) | (1,090) | (1,104)
Amortization of excess cost of equity investments and other, net | (10) | (18) | 13
Income Before Income Taxes | 4,423 | 2,964 | 2,887
Income Tax Expense | (56) | (61) | 237
Net Income | 4,367 | 2,903 | 3,124
Net Income Attributable to Noncontrolling Interests | 0 | 0 | 0
Net Income Attributable to Kinder Morgan, Inc. | 4,367 | 2,903 | 3,124
Preferred Stock Dividends |  | 0 | 0
Net Income Available to Common Stockholders |  | 2,903 | 3,124
Total other comprehensive income | (51) | 280 | 217
Comprehensive income | 4,316 | 3,183 | 3,341
Comprehensive income attributable to noncontrolling interests | 0 | 0 | 0
Comprehensive income attributable to KMI | 4,316 | 3,183 | 3,341
Subsidiary Non-Guarantors |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | 1,290 | 1,526 | 1,614
Costs of sales | 154 | 277 | 322
Depreciation, depletion and amortization | 277 | 307 | 312
Other operating expense | 459 | 23 | 522
Total Operating Costs, Expenses and Other | 890 | 607 | 1,156
Operating Income | 400 | 919 | 458
Earnings from consolidated subsidiaries | 98 | 62 | 59
Earnings from equity investments | 0 | 0 | 0
Interest, net | (23) | (39) | (34)
Amortization of excess cost of equity investments and other, net | 19 | 3 | 21
Income Before Income Taxes | 494 | 945 | 504
Income Tax Expense | (159) | (176) | 464
Net Income | 335 | 769 | 968
Net Income Attributable to Noncontrolling Interests | 0 | 0 | 0
Net Income Attributable to Kinder Morgan, Inc. | 335 | 769 | 968
Preferred Stock Dividends |  | 0 | 0
Net Income Available to Common Stockholders |  | 769 | 968
Total other comprehensive income | 224 | 136 | 160
Comprehensive income | 559 | 905 | 1,128
Comprehensive income attributable to noncontrolling interests | 0 | 0 | 0
Comprehensive income attributable to KMI | 559 | 905 | 1,128
Consolidated KMI |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | 13,209 | 14,144 | 13,705
Costs of sales | 3,263 | 4,421 | 4,345
Depreciation, depletion and amortization | 2,411 | 2,297 | 2,261
Other operating expense | 2,662 | 3,632 | 3,570
Total Operating Costs, Expenses and Other | 8,336 | 10,350 | 10,176
Operating Income | 4,873 | 3,794 | 3,529
Earnings from consolidated subsidiaries | 0 | 0 | 0
Earnings from equity investments | 101 | 617 | 428
Interest, net | (1,801) | (1,917) | (1,832)
Amortization of excess cost of equity investments and other, net | (8) | 12 | 36
Income Before Income Taxes | 3,165 | 2,506 | 2,161
Income Tax Expense | (926) | (587) | (1,938)
Net Income | 2,239 | 1,919 | 223
Net Income Attributable to Noncontrolling Interests | (49) | (310) | (40)
Net Income Attributable to Kinder Morgan, Inc. | 2,190 | 1,609 | 183
Preferred Stock Dividends |  | (128) | (156)
Net Income Available to Common Stockholders |  | 1,481 | 27
Total other comprehensive income | 14 | 338 | 115
Comprehensive income | 2,253 | 2,257 | 338
Comprehensive income attributable to noncontrolling interests | (66) | (328) | (86)
Comprehensive income attributable to KMI | 2,187 | 1,929 | 252
Consolidating Adjustments |  |  |
Guarantor Obligations [Line Items] |  |  |
Total Revenues | (97) | (149) | (146)
Costs of sales | (51) | (103) | (101)
Depreciation, depletion and amortization | 0 | 0 | 0
Other operating expense | (46) | (46) | (45)
Total Operating Costs, Expenses and Other | (97) | (149) | (146)
Operating Income | 0 | 0 | 0
Earnings from consolidated subsidiaries | (8,593) | (5,954) | (6,734)
Earnings from equity investments | 0 | 0 | 0
Interest, net | 0 | 0 | 0
Amortization of excess cost of equity investments and other, net | 0 | 0 | 0
Income Before Income Taxes | (8,593) | (5,954) | (6,734)
Income Tax Expense | 0 | 0 | 0
Net Income | (8,593) | (5,954) | (6,734)
Net Income Attributable to Noncontrolling Interests | (49) | (310) | (40)
Net Income Attributable to Kinder Morgan, Inc. | (8,642) | (6,264) | (6,774)
Preferred Stock Dividends |  | 0 | 0
Net Income Available to Common Stockholders |  | (6,264) | (6,774)
Total other comprehensive income | (184) | (688) | (525)
Comprehensive income | (8,777) | (6,642) | (7,259)
Comprehensive income attributable to noncontrolling interests | (66) | (328) | (86)
Comprehensive income attributable to KMI | $ (8,843) | $ (6,970) | $ (7,345)

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