Leases (Other Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating cash flows from operating leases	$ 304	$ 244	$ 221
Operating cash flows from finance leases	8	5	4
Financing cash flows from finance leases	64	57	69
Leased assets obtained in exchange for new operating lease liabilities (1)	538	237	299
Leased assets obtained in exchange for new finance lease liabilities (1)	$ 132	$ 47	$ 66