Commitments And Contingencies minimum lease payments (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases and build to suit leases

A summary of future minimum lease payments under noncancelable operating leases and build to suit leases as of December 31, 2015 follows (amounts in millions):

Years ending December 31:
2016	$	41
2017	$	43
2018	$	41
2019	$	37
2020	$	34
Thereafter	$	210