Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 29, 2023	Jan. 30, 2022	Jan. 29, 2023	Jan. 30, 2022
Income Statement [Abstract]
Net sales	$ 2,485	$ 2,209	$ 5,060	$ 4,445
Costs and expenses
Cost of products sold	1,726	1,540	3,467	3,054
Marketing and selling expenses	217	197	418	367
Administrative expenses	162	147	320	303
Research and development expenses	21	21	42	42
Other expenses / (income)	0	(19)	18	(20)
Restructuring charges	9	0	9	0
Total costs and expenses	2,135	1,886	4,274	3,746
Earnings before interest and taxes	350	323	786	699
Interest expense	45	46	92	93
Interest income	0	0	1	0
Earnings before taxes	305	277	695	606
Taxes on earnings	73	65	166	133
Net earnings	232	212	529	473
Less: Net earnings (loss) attributable to noncontrolling interests	0	0	0	0
Net earnings attributable to Campbell Soup Company	$ 232	$ 212	$ 529	$ 473
Per Share - Basic
Net earnings attributable to Campbell Soup Company	$ 0.78	$ 0.70	$ 1.77	$ 1.57
Weighted average shares outstanding - basic	299	302	299	302
Per Share - Assuming Dilution
Net earnings attributable to Campbell Soup Company	$ 0.77	$ 0.70	$ 1.76	$ 1.56
Weighted average shares outstanding - assuming dilution	301	303	301	303