Debt, Interest Incurred (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest and Debt Expense, Net of Capitalized Interest
Interest and debt expense	$ 153	$ 154	$ 456	$ 467
Less: Capitalized interest	4	16	13	42
Interest and debt expense, net of capitalized interest	$ 149	$ 138	$ 443	$ 425