Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 27, 2013	Jan. 29, 2012	Jan. 27, 2013	Jan. 29, 2012
Income Statement [Abstract]
Net sales	$ 2,333	$ 2,112	$ 4,669	$ 4,273
Costs and expenses
Cost of products sold	1,514	1,301	2,985	2,608
Marketing and selling expenses	297	297	551	558
Administrative expenses	172	152	334	297
Research and development expenses	34	29	63	59
Other expenses / (income)	7	1	20	1
Restructuring charges	8	3	30	5
Total costs and expenses	2,032	1,783	3,983	3,528
Earnings before interest and taxes	301	329	686	745
Interest expense	33	28	69	58
Interest income	2	2	5	4
Earnings before taxes	270	303	622	691
Taxes on earnings	83	102	192	227
Net earnings	187	201	430	464
Less: Net earnings (loss) attributable to noncontrolling interests	(3)	(4)	(5)	(6)
Net earnings attributable to Campbell Soup Company	$ 190	$ 205	$ 435	$ 470
Per Share - Basic
Net earnings attributable to Campbell Soup Company	$ 0.61	$ 0.64	$ 1.39	$ 1.46
Dividends	$ 0.58	$ 0.29	$ 0.87	$ 0.58
Weighted average shares outstanding - basic	314	318	314	319
Per Share - Assuming Dilution
Net earnings attributable to Campbell Soup Company	$ 0.60	$ 0.64	$ 1.38	$ 1.45
Weighted average shares outstanding - assuming dilution	316	320	316	321