Leases - Schedule of Lease Maturities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease, less than 1 year	$ 127
Lessee, Operating Lease, Liability, to be Paid, Year Two	97
Lessee, Operating Lease, Liability, to be Paid, Year Three	82
Lessee, Operating Lease, Liability, to be Paid, Year Four	78
Lessee, Operating Lease, Liability, to be Paid, Year Five	73
Operating lease, After 5 years	459
Less Imputed Interest	(137)
Operating Lease, Liability	779	$ 306
Lessee, Operating Lease, Liability, to be Paid, Total	916
Financing lease, less than 1 year	7
Finance Lease, Liability, to be Paid, Year Two	5
Finance Lease, Liability, to be Paid, Year Three	3
Finance Lease, Liability, to be Paid, Year Four	2
Finance Lease, Liability, to be Paid, Year Five	2
Financing lease, After 5 years	2
Less Imputed Interest	(1)
Finance Lease, Liability	20	$ 7
Finance Lease, Liability, Payment, Due, Total	21
Lessee, Operating and Finance Lease, Liability, to be Paid, Year One	134
Lessee, Operating and Finance Lease, Liability, to be Paid, Year Two	102
Lessee, Operating and Finance Lease, Liability, to be Paid, Year Three	85
Lessee, Operating and Finance Lease, Liability, to be Paid, Year Four	80
Lessee, Operating and Finance Lease, Liability, to be Paid, Year Five	75
Lessee, Operating and Finance Lease, Liability, to be Paid, after Year Five	461
Lessee, Operating and Finance Lease, Payments, Due	937
Lessee, Operating and Finance Lease, Liability, Undiscounted Excess Amount	138
Operating and Finance Lease, Liability	$ 799