Leases - Lease Cost and Other Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lease, Cost [Abstract]
Finance lease cost	$ 4	$ 4	$ 3
Operating lease cost	85	91	100
Short-term lease cost	7	3	3
Variable lease cost	86	9	6
Sublease income	(2)	(2)	(17)
Total lease cost	180	105	95
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	183	102	101
Financing cash flows from finance leases	5	6	1
Right-of-use assets obtained in exchange for new finance lease liabilities	3	16	5
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 28	$ 47	$ 4
Finance leases:
Weighted average remaining lease term (in years)	2 years 7 months 6 days	3 years 7 months 6 days
Weighted average discount rate	2.82%	2.46%
Operating Leases [Abstract]
Weighted average remaining lease term (in years)	4 years 3 months 18 days	4 years 8 months 12 days
Weighted average discount rate	5.37%	5.44%