Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Commitments and Obligations

The following table presents these commitments and obligations as of December 31, 2018:

			By Period
	Total		Less than 1  year		1 to 3 years		3 to 5 years		More than 5  years
	(In millions)
Purchase obligations	$	683	$	352	$	266	$	65	$	—
Guarantees	59		59		—		—		—
Letters of credit	28		13		11		—		4
	$	770	$	424	$	277	$	65	$	4

Estimated Future Minimum Rental Payments Under Operating Leases

The following table presents our estimated future minimum rental payments under operating leases with noncancelable lease terms that expire after December 31, 2018 as well as leases that have been accounted for as build-to-suit lease arrangements, in millions:

Year ending December 31,
2019	$	156
2020	129
2021	106
2022	93
2023	74
2024 and thereafter	361
	$	919