Leases - Supplemental Cash Flow Information (Details) $ in Millions |
6 Months Ended |
|---|---|
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Jun. 30, 2019
USD ($)
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| Leases [Abstract] | |
| Operating cash flows from operating leases | $ 36 |
| Financing cash flows from finance leases | 2 |
| Operating leases | $ 36 |
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- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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