Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 29, 2012	May 01, 2011	Apr. 29, 2012	May 01, 2011
Income Statement [Abstract]
Net sales	$ 1,821	$ 1,813	$ 6,094	$ 6,112
Costs and expenses
Cost of products sold	1,115	1,081	3,723	3,648
Marketing and selling expenses	256	243	814	811
Administrative expenses	144	148	441	442
Research and development expenses	32	33	91	95
Other expenses / (income)	6	1	7	6
Restructuring charges	4	0	9	0
Total costs and expenses	1,557	1,506	5,085	5,002
Earnings before interest and taxes	264	307	1,009	1,110
Interest expense	29	27	87	93
Interest income	2	3	6	8
Earnings before taxes	237	283	928	1,025
Taxes on earnings	62	97	289	321
Net earnings	175	186	639	704
Less: Net earnings (loss) attributable to noncontrolling interests	(2)	(1)	(8)	(1)
Net earnings attributable to Campbell Soup Company	$ 177	$ 187	$ 647	$ 705
Per Share - Basic
Net earnings attributable to Campbell Soup Company	$ 0.56	$ 0.58	$ 2.03	$ 2.13
Dividends	$ 0.29	$ 0.29	$ 0.87	$ 0.855
Weighted average shares outstanding - basic	316	321	318	328
Per Share - Assuming Dilution
Net earnings attributable to Campbell Soup Company	$ 0.55	$ 0.57	$ 2.01	$ 2.11
Weighted average shares outstanding - assuming dilution	318	323	320	331