Segment Information - Financial Information for Partnership's Reportable Segments (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 25, 2016	Mar. 27, 2015
Net revenue:
Total net revenue	$ 1,561	$ 1,635
Pre-variable income:
Total pre-variable income	358	419
Variable compensation:
Total variable compensation	167	205
Income (loss) before allocations to partners:
Total income before allocations to partners	191	214
United States [Member]
Net revenue:
Total net revenue	1,520	1,583
Pre-variable income:
Total pre-variable income	358	415
Variable compensation:
Total variable compensation	163	201
Income (loss) before allocations to partners:
Total income before allocations to partners	195	214
Canada [Member]
Net revenue:
Total net revenue	41	52
Pre-variable income:
Total pre-variable income	0	4
Variable compensation:
Total variable compensation	4	4
Income (loss) before allocations to partners:
Total income before allocations to partners	$ (4)	$ 0