Quarterly Information - Summary of Quarterly Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 25, 2020	Jun. 26, 2020	Mar. 27, 2020	Dec. 31, 2019	Sep. 27, 2019	Jun. 28, 2019	Mar. 29, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Selected Quarterly Financial Information [Abstract]
Net revenue	$ 2,720	$ 2,527	$ 2,325	$ 2,491	$ 2,493	$ 2,367	$ 2,319	$ 2,190	$ 10,063	$ 9,369	$ 8,469
Income before allocations to partners	$ 378	$ 316	$ 288	$ 303	$ 285	$ 281	$ 285	$ 241	$ 1,285	$ 1,092	$ 990
Income allocated to limited partners per weighted average $1,000 equivalent limited partnership unit outstanding	$ 43.45	$ 36.36	$ 33.10	$ 34.90	$ 34.54	$ 33.93	$ 34.55	$ 29.20	$ 147.81	$ 132.22	$ 128.13