Segment Information - Financial Information for Partnership's Reportable Segments (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 25, 2016
Net revenue:
Total net revenue	$ 1,797	$ 1,561
Pre-variable income (loss):
Total pre-variable income	361	358
Variable compensation:
Total variable compensation	164	167
Income (loss) before allocations to partners:
Total income before allocations to partners	197	191
United States [Member]
Net revenue:
Total net revenue	1,749	1,520
Pre-variable income (loss):
Total pre-variable income	362	358
Variable compensation:
Total variable compensation	160	163
Income (loss) before allocations to partners:
Total income before allocations to partners	202	195
Canada [Member]
Net revenue:
Total net revenue	48	41
Pre-variable income (loss):
Total pre-variable income	(1)
Variable compensation:
Total variable compensation	4	4
Income (loss) before allocations to partners:
Total income before allocations to partners	$ (5)	$ (4)