Leases - Components of Lease Cost and Supplementary Info (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Finance lease cost | |||
| Amortization of right-of-use assets | $ 344 | $ 259 | $ 195 |
| Interest | 15 | 14 | 12 |
| Operating lease cost | 1,540 | 1,391 | 1,139 |
| Variable lease cost and other, net | 272 | 269 | 160 |
| Total lease cost | $ 2,171 | $ 1,933 | $ 1,506 |
| Weighted-average remaining lease term | |||
| Finance leases | 13 years 10 months 24 days | 14 years 10 months 24 days | |
| Operating leases | 13 years | 12 years 2 months 12 days | |
| Weighted-average discount rate | |||
| Finance leases | 2.70% | 2.90% | |
| Operating leases | 2.80% | 3.10% | |
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- Definition Lessee, Weighted Average Discount Rate [Abstract] No definition available.
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- Definition Lessee, Weighted Average Remaining Lease Term [Abstract] No definition available.
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- Definition Amount of interest expense on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of amortization expense attributable to right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average discount rate for finance lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lease cost recognized by lessee for lease contract. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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