Segment Information - Financial Information for Partnership's Reportable Segments (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 25, 2022
Net revenue:
Total net revenue	$ 3,285	$ 3,033
Pre-variable income:
Total pre-variable income	813	836
Variable compensation:
Total variable compensation	412	475
Income before allocations to partners:
Income before allocations to partners	401	361
United States [Member]
Net revenue:
Total net revenue	3,190	2,944
Pre-variable income:
Total pre-variable income	793	819
Variable compensation:
Total variable compensation	403	464
Income before allocations to partners:
Income before allocations to partners	390	355
Canada [Member]
Net revenue:
Total net revenue	95	89
Pre-variable income:
Total pre-variable income	20	17
Variable compensation:
Total variable compensation	9	11
Income before allocations to partners:
Income before allocations to partners	$ 11	$ 6