US Foods Holding Corp. Condensed Financial Information - Cash Flows (Details) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
	Jun. 01, 2016	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
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income		$ 100	$ 114	$ 126	$ 67	$ 256	$ 96	$ 65	$ 27	$ 407	$ 444	$ 210
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred tax provision (benefit)										45	(123)	(80)
Changes in operating assets and liabilities:
(Decrease) increase in accrued expenses and other liabilities										(126)	41	(136)
Net cash provided by operating activities										609	749	549
CASH FLOWS FROM INVESTING ACTIVITIES:
Net cash provided by (used in) investing activities										(232)	(356)	(762)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from initial public offering	$ 1,114									0	0	1,114
Cash distribution to shareholders										0	0	(666)
Proceeds from common stock sales										0	0	3
Common stock repurchased										0	(280)	0
Net cash (used in) provided by financing activities										(391)	(405)	(180)
NET DECREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH										(14)	(12)	(393)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH—Beginning of year					119				131	119	131	524
CASH, CASH EQUIVALENTS AND RESTRICTED CASH—End of year		105				119				105	119	131
US Foods Holding Corp.
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income										407	444	210
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in net earnings of subsidiary										(376)	(439)	(319)
Deferred tax provision (benefit)										(23)	(77)	106
Changes in operating assets and liabilities:
Decrease (increase) in other assets										0	1	(1)
Decrease in intercompany payable										0	0	(7)
(Decrease) increase in accrued expenses and other liabilities										(8)	71	0
Net cash provided by operating activities										0	0	(11)
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in subsidiary										0	0	(1,114)
Cash distribution from subsidiary										0	280	374
Net cash provided by (used in) investing activities										0	280	(740)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from initial public offering										0	0	1,114
Cash distribution to shareholders										0	0	(666)
Proceeds from common stock sales										0	0	3
Common stock repurchased										0	(280)	0
Net cash (used in) provided by financing activities										0	(280)	451
NET DECREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH										0	0	(300)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH—Beginning of year					$ 0				$ 0	0	0	300
CASH, CASH EQUIVALENTS AND RESTRICTED CASH—End of year		$ 0				$ 0				$ 0	$ 0	$ 0