|
Fair Value Measurements (Details 2) (USD $)
|
3 Months Ended | ||
|---|---|---|---|
|
Oct. 27, 2012
|
Jan. 28, 2012
|
Oct. 29, 2011
|
|
| Financial assets | |||
| Marketable securities, noncurrent | $ 1,015,000,000 | $ 1,032,000,000 | $ 1,035,000,000 |
| Financial liabilities | |||
| Estimated fair value consumer credit card portfolio | 6,000,000,000 | ||
| Effect of one percentage point change in forecasted credit EBIT yield on estimated fair value | 33,000,000 | ||
| Effect of one percentage point change in forecasted discount rate on estimated fair value | 7,000,000 | ||
|
Carrying amount
|
|||
| Financial assets | |||
| Marketable securities, current | 75,000,000 | 35,000,000 | 78,000,000 |
| Marketable securities, noncurrent | 4,000,000 | 6,000,000 | |
| Total | 79,000,000 | 41,000,000 | 78,000,000 |
| Financial liabilities | |||
| Total debt | 16,647,000,000 | 15,680,000,000 | 17,228,000,000 |
| Total | 16,647,000,000 | 15,680,000,000 | 17,228,000,000 |
|
Fair value measurement
|
|||
| Financial assets | |||
| Marketable securities, current | 75,000,000 | 35,000,000 | 78,000,000 |
| Marketable securities, noncurrent | 4,000,000 | 6,000,000 | |
| Total | 79,000,000 | 41,000,000 | 78,000,000 |
| Financial liabilities | |||
| Total debt | 19,796,000,000 | 18,142,000,000 | 19,793,000,000 |
| Total | $ 19,796,000,000 | $ 18,142,000,000 | $ 19,793,000,000 |