Contractual Obligations and Commitments (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

Minimum future obligations under all non-cancelable operating leases as of December 31, 2015 are as follows (in millions):

	Payments Due By Period
2016	$	26
2017	25
2018	22
2019	18
2020	11
Thereafter	38
Total minimum lease obligations	$	140

Schedule of Rent Expense for Operating Leases

Rent expense for operating leases charged to operations was as follows (in millions):

	Year Ended December 31,
	2015		2014		2013
Rent expense	$	45	$	21	$	16