CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Apr. 30, 2022	May 01, 2021	Apr. 30, 2022	May 01, 2021
Statement of Comprehensive Income [Abstract]
Net income including noncontrolling interests		$ 68	$ 50	$ 213	$ 111
Other comprehensive income (loss):
Recognition of pension and other postretirement benefit obligations, net of tax		0	0	2	(1)
Recognition of interest rate swap cash flow hedges, net of tax	[1]	30	14	58	36
Foreign currency translation adjustments		(1)	3	(3)	6
Recognition of other cash flow derivatives, net of tax	[2]	2	0	4	0
Total other comprehensive income		31	17	61	41
Less comprehensive income attributable to noncontrolling interests		(1)	(2)	(4)	(5)
Total comprehensive income attributable to United Natural Foods, Inc.		$ 98	$ 65	$ 270	$ 147

[1] Amounts are net of tax expense of $11 million, $5 million, $21 million and $12 million, respectively.

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