Quarterly Information - Summary of Quarterly Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 27, 2019	Jun. 28, 2019	Mar. 29, 2019	Dec. 31, 2018	Sep. 28, 2018	Jun. 29, 2018	Mar. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Selected Quarterly Financial Information [Abstract]
Net revenue	$ 2,493	$ 2,367	$ 2,319	$ 2,190	$ 2,153	$ 2,191	$ 2,083	$ 2,042	$ 9,369	$ 8,469	$ 7,506
Income before allocations to partners	$ 285	$ 281	$ 285	$ 241	$ 244	$ 273	$ 240	$ 233	$ 1,092	$ 990	$ 872
Income allocated to limited partners per weighted average $1,000 equivalent limited partnership unit outstanding	$ 34.54	$ 33.93	$ 34.55	$ 29.20	$ 31.53	$ 35.42	$ 31.02	$ 30.16	$ 132.22	$ 128.13	$ 121.15