Leases - Schedule of Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lease Costs:
Operating lease cost	$ 337	$ 328	$ 319
Variable lease cost	67	61	58
Lease, Cost, Total	$ 404	$ 389	$ 377