CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 28, 2023	Jan. 29, 2022
Income Statement [Abstract]
Net sales	$ 7,816	$ 7,416	$ 15,348	$ 14,413
Cost of sales	6,747	6,341	13,183	12,296
Gross profit	1,069	1,075	2,165	2,117
Operating expenses	1,002	944	2,002	1,876
Restructuring, acquisition and integration related expenses	3	5	5	8
Loss (gain) on sale of assets	1	1	(4)	1
Operating income	63	125	162	232
Net periodic benefit income, excluding service cost	(7)	(10)	(14)	(20)
Interest expense, net	39	44	74	84
Other income, net	0	(2)	(1)	(1)
Income before income taxes	31	93	103	169
Provision for income taxes	9	25	14	24
Net income including noncontrolling interests	22	68	89	145
Less net income attributable to noncontrolling interests	(3)	(2)	(4)	(3)
Net income attributable to United Natural Foods, Inc.	$ 19	$ 66	$ 85	$ 142
Earnings Per Share
Basic earnings per share (in dollars per share)	$ 0.32	$ 1.13	$ 1.43	$ 2.47
Diluted earnings per share (in dollars per share)	$ 0.31	$ 1.08	$ 1.38	$ 2.33
Weighted average shares outstanding:
Basic (in shares)	59.8	58.3	59.3	57.6
Diluted (in shares)	61.0	61.0	61.3	61.0