Leases - Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 13	$ 25
Operating cash flows from finance leases	0	0
Financing cash flows from finance leases	1	2
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	7	13
Finance leases	$ 2	$ 12

Cash paid for amounts included in the measurement of lease liabilities.

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- Definition

Right-of-use assets obtained in exchange for lease obligations.

+ References

No definition available.

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- Definition

Amount of interest paid on finance lease liability.

+ References

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- Definition

Amount of cash outflow for principal payment on finance lease.

+ References

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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.

+ References

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-Publisher FASB
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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

+ References

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