Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments For Capital Leases

Future minimum lease payments with initial or remaining non-cancelable lease terms in excess of one year as of December 31, 2018 were as follows:

(In millions)	Capital Leases			Operating Leases
Year ending December 31:
2019	$	61		$	577
2020	60			460
2021	55			367
2022	52			288
2023	43			221
Thereafter	39			523
Total minimum lease payments	$	310		$	2,436
Amount representing interest	(21		)
Present value of minimum lease payments	$	289

Schedule of Future Minimum Rental Payments For Operating Leases

Future minimum lease payments with initial or remaining non-cancelable lease terms in excess of one year as of December 31, 2018 were as follows:

(In millions)	Capital Leases			Operating Leases
Year ending December 31:
2019	$	61		$	577
2020	60			460
2021	55			367
2022	52			288
2023	43			221
Thereafter	39			523
Total minimum lease payments	$	310		$	2,436
Amount representing interest	(21		)
Present value of minimum lease payments	$	289