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v3.22.1

Acquisitions, Development and Divestitures - Discontinued Operations (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Jun. 30, 2021
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |
Loss from Discontinued Operations (net of income taxes) | $ 0 | $ (2,043) |
Discontinued Operations, Held-for-sale | WPD |  |  |
Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract] |  |  |
Sales proceeds, net of realized foreign currency hedge losses |  |  | $ 10,700
Loss on Sale |  | (1,647) |
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |
Operating Revenues |  | 634 |
Operating Expenses |  | 252 |
Other Income (Expense) - net |  | 66 |
Interest Expense |  | 93 |
Income before income taxes |  | 355 |
Gain (Loss) on Sale |  | (1,647) |
Income tax expense |  | 751 |
Loss from Discontinued Operations (net of income taxes) |  | (2,043) |
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] |  |  |
Gain (Loss) on Sale |  | $ (1,647) |
Net Proceeds From Divestiture Of Businesses |  |  | $ 10,400

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