Fair Value Measurements - Recurring Basis (Details) - Fair value, recurring basis - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Fair value of assets and liabilities measured on recurring basis
Investment in NuScale	$ 2,266
Trading securities	18	$ 12
Foreign currency
Fair value of assets and liabilities measured on recurring basis
Derivative assets	0	6
Derivative liabilities	1	3
Commodity
Fair value of assets and liabilities measured on recurring basis
Derivative assets	0	1
Derivative liabilities	1	1
SMR Warrants
Fair value of assets and liabilities measured on recurring basis
Derivative liabilities	0	12
Level 1
Fair value of assets and liabilities measured on recurring basis
Investment in NuScale	2,266
Trading securities	18	12
Level 1 \| SMR Warrants
Fair value of assets and liabilities measured on recurring basis
Derivative liabilities	0	6
Level 2 \| Foreign currency
Fair value of assets and liabilities measured on recurring basis
Derivative assets	0	6
Derivative liabilities	1	3
Level 2 \| Commodity
Fair value of assets and liabilities measured on recurring basis
Derivative assets	0	1
Derivative liabilities	1	1
Level 2 \| SMR Warrants
Fair value of assets and liabilities measured on recurring basis
Derivative liabilities	$ 0	$ 6

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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