Leases - Other Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating cash flows for operating leases	$ 91	$ 108	$ 116
Operating cash flows for finance leases	7	5	1
Financing cash flows for finance leases	11	19	18
Non-cash change in lease liabilities arising from obtaining new right of use assets or modifications, operating leases	94	5	77
Non-cash change in lease liabilities arising from obtaining new right of use assets or modifications, finance leases	$ 1	$ 32	27
Weighted-average remaining lease term (in years):
Operating lease, weighted-average lease term	11 years	12 years
Finance lease, weighted-average lease term	9 years	9 years
Weighted-average discount rate:
Operating lease, weighted-average discount rate	4.20%	4.50%
Finance lease, weighted-average discount rate	11.60%	11.10%
Equity Method Investees | Agreement to store at facilities owned by equity method investee
Lessee, Lease, Description [Line Items]
Non-cash change in lease liabilities arising from obtaining new right of use assets or modifications, finance leases		$ 25	$ 12
Ownership interest in unconsolidated entity	50.00%