Operating Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases, Operating [Abstract]

Future minimum lease payments

The table below presents the expected future minimum lease payments to be made under non-cancelable operating leases as of December 31, 2017.

(In millions)	Future Minimum Lease Payments
2018	$	40
2019	35
2020	37
2021	38
2022	35
Thereafter	232
Total	$	417