Contingencies and Commitments (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of minimum rental payments for operating leases

Future minimum rental payments or operating leases having initial or remaining non-cancellable terms in excess of one year are as follows. Amounts are in millions.

2016	2017		2018		2019		2020		After     2020		Total
$1,347	$	1,187	$	1,012	$	884	$	796	$	3,512	$	8,738