US Foods Holding Corp. Condensed Financial Information Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Condensed Statement of Income Captions [Line Items]
Loss before income taxes	$ 122	$ 144	$ 154	$ 91	$ 132	$ 140	$ 161	$ 63	$ 511	$ 496	$ 404
Income tax provision (benefit)	29	39	38	20	32	26	35	(4)	126	89	(40)
Net income	$ 92	$ 106	$ 116	$ 71	$ 100	$ 114	$ 126	$ 67	385	407	444
Changes in retirement benefit obligations, net of income tax									45	6	16
Unrecognized (loss) gain on interest rate swaps									(15)	5	8
Comprehensive income									415	418	468
US Foods Holding Corp.
Condensed Statement of Income Captions [Line Items]
Loss before income taxes									0	0	0
Income tax provision (benefit)									0	(31)	(5)
Income before equity in net earnings of subsidiary									0	31	5
Equity in net earnings of subsidiary									385	376	439
Net income									385	407	444
Changes in retirement benefit obligations, net of income tax									45	6	16
Unrecognized (loss) gain on interest rate swaps									(15)	5	8
Comprehensive income									$ 415	$ 418	$ 468