Acquisitions and Divestitures - Pro Forma Information (Details) - Encino - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Business Combination [Line Items]
Operating Revenues and Other	$ 358		$ 358
Net Income	100		100
Operating Revenues and Other	6,083	$ 6,411	18,415	$ 19,414
Net Income	$ 1,601	$ 1,884	$ 4,697	$ 5,324