Business And Geographic Segment Information (Schedule Of Segment Reporting - Earnings Before Interest And Taxes) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Jan. 31, 2016 |
Feb. 01, 2015 |
Jan. 31, 2016 |
Feb. 01, 2015 |
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| Segment Reporting Information [Line Items] | |||||||||
| Earnings before interest and taxes | $ 414 | $ 337 | $ 729 | $ 726 | |||||
| Recognized net actuarial gains / (losses) | 7 | (121) | |||||||
| Americas Simple Meals and Beverages [Member] | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Earnings before interest and taxes | 290 | 237 | 653 | 542 | |||||
| Global Biscuits and Snacks [Member] | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Earnings before interest and taxes | 141 | 115 | 255 | 213 | |||||
| Campbell Fresh [Member] | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Earnings before interest and taxes | 21 | 13 | 39 | 22 | |||||
| Corporate, Non-Segment [Member] | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Earnings before interest and taxes | [1] | (29) | (28) | (188) | (51) | ||||
| Corporate, Non-Segment [Member] | Other Cost Savings Implementation Costs [Member] | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Restructuring and Related Cost, Incurred Cost | 7 | 22 | |||||||
| Restructuring Charges [Member] | |||||||||
| Segment Reporting Information [Line Items] | |||||||||
| Earnings before interest and taxes | [2] | $ (9) | $ 0 | $ (30) | $ 0 | ||||
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