Debt, Interest Incurred (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Interest and Debt Expense, Net of Capitalized Interest
Interest and debt expense	$ 146	$ 146	$ 288	$ 293
Less: Capitalized interest	5	6	10	13
Interest and debt expense, net of capitalized interest	$ 141	$ 140	$ 278	$ 280