Leases - Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Assets and Liabilities [Line Items]
Long-term operating lease right-of-use assets, net	$ 393	$ 378
Finance lease right-of-use assets, gross	136	141
Finance lease right-of-use assets, accumulated depreciation	(37)	(27)
Finance lease right-of-use assets, net	$ 99	$ 114
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization	Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization
Total lease right-of-use assets	$ 492	$ 492
Operating lease liabilities
Operating lease liabilities, current	$ 77	$ 78
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other current liabilities	Other current liabilities
Long-term operating lease liabilities	$ 339	$ 317
Total operating lease liabilities	416	395
Finance lease liabilities
Finance lease liabilities, current	$ 12	$ 11
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Short-term debt	Short-term debt
Finance lease liabilities, noncurrent	$ 59	$ 70
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term debt, net	Other long-term debt, net
Total finance lease liabilities	$ 71	$ 81
Total lease liabilities	487	476
Equity Method Investees | Agreement to store at facilities owned by equity method investee
Lessee, Lease, Assets and Liabilities [Line Items]
Finance lease right-of-use assets, net	33	35
Finance lease liabilities
Total finance lease liabilities	$ 35	$ 36
Ownership interest in unconsolidated entity	50.00%