Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2015

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

Supplemental cash flow information is as follows (amounts in millions):

	For the Years Ended December 31,
	2015		2014		2013
Supplemental cash flow information:
Cash paid for income taxes, net of refunds	$	20	$	34	$	138
Cash paid for interest	193		201		19