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Related Party Transactions - Summary of Material Related Party Transactions with Third Party Affiliates (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Revenues	$ 28,823	$ 31,543	$ 26,989
Related Party
Related Party Transaction [Line Items]
Revenues	84	52	49
Related Party | Gladstone
Related Party Transaction [Line Items]
Revenues	4	4	4
Related Party | Ivanpah
Related Party Transaction [Line Items]
Revenues	78	42	39
Related Party | Midway-Sunset Cogeneration Company
Related Party Transaction [Line Items]
Revenues	$ 2	$ 6	$ 6

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