Schedule I - Condensed Statements of Income (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 24, 2016	Mar. 25, 2016	Dec. 31, 2015	Sep. 25, 2015	Jun. 26, 2015	Mar. 27, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net revenue:
Other									$ 34	$ 22	$ 32
Total revenue									6,632	6,694	6,333
Interest expense									75	75	55
Net revenue	$ 1,653	$ 1,683	$ 1,660	$ 1,561	$ 1,658	$ 1,645	$ 1,681	$ 1,635	6,557	6,619	6,278
OPERATING EXPENSES
Compensation and benefits									4,606	4,641	4,436
Other operating expenses									252	265	236
Total operating expenses									5,811	5,781	5,508
Income before allocations to partners	$ 161	$ 186	$ 208	$ 191	$ 194	$ 208	$ 222	$ 214	746	838	770
Allocations to partners									746	838	770
Net income									0	0	0
Parent Company [Member]
Net revenue:
Subsidiary earnings									738	833	764
Management fee income									100	99	78
Other									10	7	7
Total revenue									848	939	849
Interest expense									68	69	48
Net revenue									780	870	801
OPERATING EXPENSES
Compensation and benefits									32	30	30
Other operating expenses									2	2	1
Total operating expenses									34	32	31
Income before allocations to partners									746	838	770
Allocations to partners									(746)	(838)	(770)
Net income									$ 0	$ 0	$ 0