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Investments (Narrative) (Detail 1) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 31, 2022 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Aug. 31, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earnings (losses) from equity method investees |  |  |  |  |  |  |  |  |  |  | $ 3,000,000 | [1] | $ (26,000,000) | [2] | $ 21,000,000 | [3]
Net earnings (losses) from discontinued operations including noncontrolling interest |  | $ (3,000,000) | $ (15,000,000) | $ 97,000,000 | $ 118,000,000 | $ (33,000,000) | $ (541,000,000) | $ 168,000,000 | $ 281,000,000 |  | 197,000,000 | [4] | (125,000,000) | [4] | 922,000,000 | [4]
Distributions received from investment |  |  |  |  |  |  |  |  |  |  | 140,000,000 |  | 245,000,000 |  | 355,000,000 |
Finite Lived Equity Method Investment Basis Difference |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying amount of investment that exceeded share of underlying equity |  | 5,000,000 |  |  |  | 18,000,000 |  |  |  |  | 5,000,000 |  | 18,000,000 |  |  |
Equity method investment goodwill |  |  |  |  |  | 9,000,000 |  |  |  |  |  |  | 9,000,000 |  |  |
Capitalized interest |  |  |  |  |  |  |  |  |  |  |  |  | 3,000,000 |  |  |
Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings (losses) from discontinued operations including noncontrolling interest |  |  |  |  |  |  |  |  |  |  | (12,000,000) |  | 235,000,000 |  | 271,000,000 |
Atlantic Coast Pipeline |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earnings (losses) from equity method investees |  |  |  |  |  |  |  |  |  |  | (13,000,000) |  | 15,000,000 |  | (7,000,000) |
Cove Point |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distributions received from investment |  |  |  |  |  |  |  |  |  |  |  |  | 227,000,000 |  | 344,000,000 |
Cove Point | Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earnings (losses) from equity method investees |  |  |  |  |  |  |  |  |  |  |  |  | 218,000,000 |  | $ 277,000,000 |
Trading Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rabbi trust securities |  | $ 160,000,000 |  |  |  | $ 119,000,000 |  |  |  |  | $ 160,000,000 |  | $ 119,000,000 |  |  |
2019 Series A Corporate Units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term deposit | $ 2,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2019 Series A Corporate Units | Series A Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption obligation | $ 1,600,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock dividend rate percentage | 1.75% |  |  |  |  |  |  |  |  | 1.75% |  |  |  |  |  |
2019 Series A Corporate Units | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term deposit | $ 1,600,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2019 Series A Corporate Units | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term deposit | $ 2,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Items designated are other segment items for each reportable segment.
[2] | Items designated are other segment items for each reportable segment.
[3] | Items designated are other segment items for each reportable segment.
[4] | Includes income tax expense of $31 million, $1.3 billion and $207 million for the years ended December 31, 2024, 2023 and 2022, respectively.

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