Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Assets and Liabilities, Lessee [Abstract]
Operating lease right-of-use assets	$ 562	$ 461
Accrued and other liabilities	106	89
Operating lease liabilities	461	376
Total operating lease liabilities	$ 567	$ 465
Weighted Average Remaining Term (in years)	9 years	8 years
Weighted Average Lease Discount Rate	2.70%	3.10%
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued and other liabilities	Accrued and other liabilities
Lease, Cost [Abstract]
Operating Lease, Cost	$ 117	$ 117
Short-term lease cost	85	70
Total operating lease cost	202	187
Operating Leased Assets [Line Items]
2022	119
2023	103
2024	83
2025	63
2026	52
Thereafter	252
Total lease payments	672
Less: imputed interest	(105)
Fixed Lease Payments | Affiliates
Lease, Cost [Abstract]
Operating Lease, Cost	11	12
Affiliates
Assets and Liabilities, Lessee [Abstract]
Operating lease right-of-use assets	$ 33	$ 41