Leases (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Leases [Abstract] | ||
| Operating Lease, Right-of-Use Asset | $ 475 | $ 443 |
| Operating Lease, Liability | 545 | 514 |
| Operating Lease, Cost | 85 | 81 |
| Leveraged Leases, Income Statement, Income Tax Expense on Leveraged Leases | $ 8 | $ 9 |
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- References No definition available.
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- Definition The tax effect from the current year income from arrangements meeting the criteria for classification as a leveraged lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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