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v3.22.4

Segments Of Business (Schedule Of Operating Income Derived From Revenues And Expenses By Segment) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | $ 5,850.6 | $ 4,899.6 | $ 4,681.7
Operating Income | 1,265.8 | 1,006.9 | 550.8
Consolidated Depreciation and Amortization | 820.8 | 748.4 | 725.9
Consolidated Assets | 26,736.6 | 24,156.9 | 22,040.5
Payments to Acquire Property Plant and Equipment Including Captial Expenditures From Current Liabilities And Equity Method Investments | 2,298.0 | 1,940.4 | 1,720.8
Gas Distribution Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 4,007.2 | 3,171.2 | 3,128.1
Intersegment | 4,019.8 | 3,183.5 | 3,140.2
Operating Income | 915.8 | 617.5 | 199.1
Consolidated Depreciation and Amortization | 415.9 | 383.0 | 363.1
Consolidated Assets | 16,986.5 | 15,153.7 | 13,433.0
Payments to Acquire Property Plant and Equipment Including Captial Expenditures From Current Liabilities And Equity Method Investments | 1,682.3 | 1,406.4 | 1,266.9
Electric Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 1,830.9 | 1,696.3 | 1,535.9
Intersegment | 1,831.7 | 1,697.1 | 1,536.6
Operating Income | 362.4 | 387.8 | 348.8
Consolidated Depreciation and Amortization | 362.9 | 329.4 | 321.3
Consolidated Assets | 7,992.6 | 7,178.9 | 6,443.1
Payments to Acquire Property Plant and Equipment Including Captial Expenditures From Current Liabilities And Equity Method Investments | 574.5 | 517.4 | 422.8
Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 12.5 | 32.1 | 17.7
Intersegment | 477.5 | 492.4 | 467.5
Operating Income | (12.4) | 1.6 | 2.9
Consolidated Depreciation and Amortization | 42.0 | 36.0 | 41.5
Consolidated Assets | 1,757.5 | 1,824.3 | 2,164.4
Payments to Acquire Property Plant and Equipment Including Captial Expenditures From Current Liabilities And Equity Method Investments | 41.2 | 16.6 | 31.1
Unaffiliated | Gas Distribution Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 4,007.2 | 3,171.2 | 3,128.1
Unaffiliated | Electric Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 1,830.9 | 1,696.3 | 1,535.9
Unaffiliated | Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Operating Revenues | 12.5 | 32.1 | 17.7
Intersegment | Gas Distribution Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Intersegment | 12.6 | 12.3 | 12.1
Intersegment | Electric Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Intersegment | 0.8 | 0.8 | 0.7
Intersegment | Corporate and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Intersegment | 465.0 | 460.3 | 449.8
Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Intersegment | $ (478.4) | $ (473.4) | $ (462.6)

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