Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Future Net Minimum Lease Commitments

Future net minimum lease commitments under noncancelable operating lease arrangements were:

Year Ending December 31,	Minimum Rental Payments
	(in millions)
2017	$	4
2018	3
2019	2
2020	1
2021	—
Thereafter	—
Net minimum lease commitments	$	10