Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Apr. 28, 2024	Apr. 30, 2023	Apr. 28, 2024	Apr. 30, 2023
Income Statement [Abstract]
Net sales	$ 2,369	$ 2,229	$ 7,343	$ 7,289
Costs and expenses
Cost of products sold	1,637	1,561	5,047	5,028
Marketing and selling expenses	206	194	645	612
Administrative expenses	208	167	555	487
Research and development expenses	27	24	76	66
Other expenses / (income)	30	23	80	41
Restructuring charges	13	6	17	15
Total costs and expenses	2,121	1,975	6,420	6,249
Earnings before interest and taxes	248	254	923	1,040
Interest expense	70	47	165	139
Interest income	4	1	5	2
Earnings before taxes	182	208	763	903
Taxes on earnings	49	48	193	214
Net earnings	133	160	570	689
Less: Net earnings (loss) attributable to noncontrolling interests	0	0	0	0
Net earnings attributable to Campbell Soup Company	$ 133	$ 160	$ 570	$ 689
Per Share - Basic
Net earnings attributable to Campbell Soup Company	$ 0.45	$ 0.54	$ 1.91	$ 2.30
Weighted average shares outstanding - basic	298	299	298	299
Per Share - Assuming Dilution
Net earnings attributable to Campbell Soup Company	$ 0.44	$ 0.53	$ 1.91	$ 2.29
Weighted average shares outstanding - assuming dilution	300	301	299	301