Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Operating lease, renewal term	12 years
Finance lease, right-of-use asset	$ 55	$ 52
Finance lease, right-of-use asset, accumulated depreciation	10	$ 6
Operating lease, lease not yet commenced, amount	$ 16
Minimum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, remaining lease term	1 month
Operating lease, termination period	1 month
Operating lease, lease not yet commenced, term of contract	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, remaining lease term	24 years
Operating lease, termination period	5 years
Operating lease, lease not yet commenced, term of contract	12 years