Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2023	May 01, 2022	Apr. 30, 2023	May 01, 2022
Income Statement [Abstract]
Net sales	$ 2,229	$ 2,130	$ 7,289	$ 6,575
Costs and expenses
Cost of products sold	1,561	1,465	5,028	4,519
Marketing and selling expenses	194	188	612	555
Administrative expenses	167	151	487	454
Research and development expenses	24	22	66	64
Other expenses / (income)	23	10	41	(10)
Restructuring charges	6	0	15	0
Total costs and expenses	1,975	1,836	6,249	5,582
Earnings before interest and taxes	254	294	1,040	993
Interest expense	47	51	139	144
Interest income	1	1	2	1
Earnings before taxes	208	244	903	850
Taxes on earnings	48	56	214	189
Net earnings	160	188	689	661
Less: Net earnings (loss) attributable to noncontrolling interests	0	0	0	0
Net earnings attributable to Campbell Soup Company	$ 160	$ 188	$ 689	$ 661
Per Share - Basic
Net earnings attributable to Campbell Soup Company	$ 0.54	$ 0.62	$ 2.30	$ 2.19
Weighted average shares outstanding - basic	299	301	299	302
Per Share - Assuming Dilution
Net earnings attributable to Campbell Soup Company	$ 0.53	$ 0.62	$ 2.29	$ 2.18
Weighted average shares outstanding - assuming dilution	301	302	301	303