Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 27, 2015

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

	First Quarter Ended
	March 27, 2015		March 28, 2014
	(in millions)
Interest paid on outstanding debt	$	37	$	48
Income tax payments		10		26
Income tax refunds		1		1