Long-Term Debt and Credit Facilities - Interest Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
Gross interest expense	$ 1,269	$ 1,398	$ 1,575
Capitalized interest	(111)	(66)	(53)
Total interest expense	$ 1,158	$ 1,332	$ 1,522