|
Other Assets (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Jul. 28, 2012
|
Jul. 20, 2012
|
Jul. 19, 2012
|
Jan. 28, 2012
|
Jul. 30, 2011
|
|
| Other Assets [Abstract] | |||||
| Cost basis of REITs | $ 34 | $ 80 | $ 80 | ||
| REIT Unit Cash Price | $ 124.00 | ||||
| REIT Unit Fair Market Value | $ 158.13 | ||||
| Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds | 248 | ||||
| Realized Gain on REIT Units | $ 202 | $ 202 | |||
| REIT Units Redeemed | 2,000,000 | 2,000,000 | |||
| Investment Owned, Balance, Shares | 205,000 |