Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease obligations, Net of Minimum Sublease Rentals

At December 31, 2016, future minimum lease obligations, net of minimum sublease rentals, for the next five years and beyond are as follows:

(in millions)	2017		2018		2019		2020		2021		Beyond
	$	62	$	58	$	52	$	49	$	42	$	218