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Investments In and Advances To Affiliates (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 3 Months Ended | 6 Months Ended | 15 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Mar. 31, 2022 | Nov. 01, 2021 | Mar. 04, 2021
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 3,078 |  |  | $ 2,700 |  | $ 5,930 | $ 5,335 |  |  |  |
Operating margin (loss) | 563 |  |  | 728 |  | 1,093 | 1,392 |  |  |  |
Gain (Loss) on Disposition of Business | (2) |  |  | 64 |  | (1) | 59 |  |  |  |
Income (Loss) from Equity Method Investments | $ 5 |  |  | $ (10) |  | (28) | (40) |  |  |  |
Contributions and loans to equity affiliates |  |  |  |  |  | 169 | $ 173 |  |  |  |
Shares Issued, Price Per Share |  |  |  |  |  |  |  |  | $ 25.86 |  | $ 25.88
Qatar Investment Authority |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage Sold |  |  |  | 13.60% |  |  | 13.60% |  |  |  |
Equity Method Investment, Purchase Price Agreement |  |  |  | $ 125 |  |  |  |  |  |  |
Majority Owned Affiliate [Member] |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  | 1 | $ 1 |  |  |  |
Operating margin (loss) |  |  |  |  |  | 0 | (1) |  |  |  |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest |  |  |  |  |  | 0 | (2) |  |  |  |
Minority Owned Affiliates [Member] |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  | 792 | 726 |  |  |  |
Operating margin (loss) |  |  |  |  |  | (249) | 12 |  |  |  |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest |  |  |  |  |  | $ (323) | $ (93) |  |  |  |
sPower [Member] |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  | $ 104 |  |  |  |  |  |
Fluence [Member] |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  | 34.20% |  | 43.20% | 50.00% |  | 43.20% |  |  |  |
Equity Method Investment, Realized Gain (Loss) on Disposal (less than) |  |  |  | $ 61 |  |  |  |  |  |  |
Shares, Issued |  |  |  |  |  |  |  |  |  | 35,650 |
Proceeds from Divestiture of Businesses |  | $ 936 |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share |  |  |  |  |  |  |  |  |  | $ 28 |
Guacolda [Member] |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Purchase Price Agreement |  |  |  |  |  |  | $ 34 |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  | 50.00% |  |  | 50.00% |  |  |  |
Contributions and loans to equity affiliates |  |  |  | $ 10 |  |  |  |  |  |  |
Equity Method Investment, Amount Sold |  |  | $ 24 |  |  |  |  |  |  |  |
Grupo Energía Gas Panamá |  |  |  |  |  |  |  |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 49.00% |  |  |  |  | 49.00% |  | 49.00% |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  |  | $ 21 |  |  |  | $ 45 |  |  |

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