CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jan. 28, 2023	Jan. 29, 2022	Jan. 28, 2023	Jan. 29, 2022
Statement of Comprehensive Income [Abstract]
Net income including noncontrolling interests		$ 22	$ 68	$ 89	$ 145
Other comprehensive (loss) income:
Recognition of pension and other postretirement benefit obligations, net of tax		1	1	1	2
Recognition of interest rate swap cash flow hedges, net of tax	[1]	(4)	15	14	28
Foreign currency translation adjustments		1	(2)	(2)	(2)
Recognition of other cash flow derivatives, net of tax	[2]	(2)	1	(2)	2
Total other comprehensive (loss) income		(4)	15	11	30
Less comprehensive income attributable to noncontrolling interests		(3)	(2)	(4)	(3)
Total comprehensive income attributable to United Natural Foods, Inc.		$ 15	$ 81	$ 96	$ 172

[1] Amounts are net of tax (benefit) expense of $(1) million and $6 million for the second quarters of fiscal 2023 and 2022, respectively, and $5 million and $10 million for fiscal 2023 and 2022 year-to-date, respectively.

[2] Amounts are net of tax (benefit) expense of $(1) million and $1 million for the second quarters of fiscal 2023 and 2022, respectively, and $(1) million and $1 million for fiscal 2023 and 2022 year-to-date, respectively.