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Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Operating Leases |  |
Operating lease right-of-use assets | $ 358 | $ 427
Operating lease current liabilities | 49 | 48
Operating lease liabilities | 362 | 419
Total operating lease liabilities | 411 | 467
Finance Leases |  |
Property and equipment, gross | 9 | 8
Accumulated depreciation | (8) | (7)
Property and equipment, net | 1 | 1
Current maturities of debt | 0 | 1
Long-term debt | 0 | 0
Total finance lease liabilities | $ 0 | $ 1
Weighted average remaining lease term, operating leases (years) | 8 years | 9 years
Weighted average remaining lease term, finance leases (years) | 0 years | 1 year
Weighted average discount rate, operating leases (as a percent) | 5.30% | 5.30%
Weighted average discount rate, finance leases (as a percent) | 0.00% | 1.70%
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Property and equipment, net | Property and equipment, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Current maturities of debt | Current maturities of debt
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Long-term debt | Long-term debt

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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