Segment Information - Financial Information for Partnership's Reportable Segments (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 24, 2016	Jun. 30, 2017	Jun. 24, 2016
Net revenue:
Total net revenue	$ 1,882	$ 1,660	$ 3,679	$ 3,221
Pre-variable income (loss):
Total pre-variable income	438	396	799	754
Variable compensation:
Total variable compensation	213	188	377	355
Income (loss) before allocations to partners:
Total income before allocations to partners	225	208	422	399
United States [Member]
Net revenue:
Total net revenue	1,833	1,617	3,582	3,137
Pre-variable income (loss):
Total pre-variable income	436	399	798	757
Variable compensation:
Total variable compensation	209	185	369	348
Income (loss) before allocations to partners:
Total income before allocations to partners	227	214	429	409
Canada [Member]
Net revenue:
Total net revenue	49	43	97	84
Pre-variable income (loss):
Total pre-variable income	2	(3)	1	(3)
Variable compensation:
Total variable compensation	4	3	8	7
Income (loss) before allocations to partners:
Total income before allocations to partners	$ (2)	$ (6)	$ (7)	$ (10)