Leases (Tables)

12 Months Ended

Dec. 31, 2016

Leases [Abstract]

Future Minimum Rental Commitments

Future Minimum Rental Commitments
(In millions)	Capital Leases		Operating Leases
2017	$	2	$	43
2018	—		38
2019	—		38
2020	—		38
2021	—		38
2022 and thereafter	—		944
Total minimum rental commitments	2		$	1,139
Less amounts representing interest	—
Present value of net minimum lease payments	$	2