CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jan. 29, 2022	Jan. 30, 2021	Jan. 29, 2022	Jan. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income including noncontrolling interests		$ 68	$ 61	$ 145	$ 61
Other comprehensive income (loss):
Recognition of pension and other postretirement benefit obligations, net of tax		1	(1)	2	(1)
Recognition of interest rate swap cash flow hedges, net of tax	[1]	15	10	28	22
Foreign currency translation adjustments		(2)	3	(2)	3
Recognition of other cash flow derivatives, net of tax	[2]	1	0	2	0
Total other comprehensive income		15	12	30	24
Less comprehensive income attributable to noncontrolling interests		(2)	(2)	(3)	(3)
Total comprehensive income attributable to United Natural Foods, Inc.		$ 81	$ 71	$ 172	$ 82

[1] Amounts are net of tax expense of $6 million, $3 million, $10 million and $7 million, respectively.

[2] Amounts are net of tax expense of $1 million, $0 million, $1 million and $0 million, respectively.