US Foods Holding Corp. Condensed Financial Information - Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Condensed Statement of Income Captions [Line Items]
OPERATING EXPENSES	$ 922	$ 929	$ 908	$ 889	$ 879	$ 909	$ 927	$ 915	$ 3,648	$ 3,630	$ 3,634
Loss before income taxes	132	140	161	63	137	147	85	35	496	404	131
INCOME TAX PROVISION (BENEFIT)	32	26	35	(4)	(119)	51	20	8	89	(40)	(79)
NET INCOME	$ 100	$ 114	$ 126	$ 67	$ 256	$ 96	$ 65	$ 27	407	444	210
Changes in retirement benefit obligations, net of income tax									6	16	(45)
Unrecognized gain on interest rate swaps									5	8	0
COMPREHENSIVE INCOME									418	468	165
US Foods Holding Corp.
Condensed Statement of Income Captions [Line Items]
OPERATING EXPENSES									0	0	5
Loss before income taxes									0	0	(5)
INCOME TAX PROVISION (BENEFIT)									(31)	(5)	104
Income (loss) before equity in net earnings of subsidiary									31	5	(109)
EQUITY IN NET EARNINGS OF SUBSIDIARY									376	439	319
NET INCOME									407	444	210
Changes in retirement benefit obligations, net of income tax									6	16	(45)
Unrecognized gain on interest rate swaps									5	8	0
COMPREHENSIVE INCOME									$ 418	$ 468	$ 165