CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Apr. 29, 2023	Apr. 30, 2022	Apr. 29, 2023	Apr. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income including noncontrolling interests		$ 8	$ 68	$ 97	$ 213
Other comprehensive (loss) income:
Recognition of pension and other postretirement benefit obligations, net of tax		0	0	1	2
Recognition of interest rate swap cash flow hedges, net of tax	[1]	(2)	30	12	58
Foreign currency translation adjustments		(2)	(1)	(4)	(3)
Recognition of other cash flow derivatives, net of tax	[2]	(2)	2	(4)	4
Total other comprehensive (loss) income		(6)	31	5	61
Less comprehensive income attributable to noncontrolling interests		(1)	(1)	(5)	(4)
Total comprehensive income attributable to United Natural Foods, Inc.		$ 1	$ 98	$ 97	$ 270

[1] Amounts are net of tax (benefit) expense of $(1) million, $11 million, $4 million and $21 million, respectively.

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