|
Stockholders' Equity (Accumulated Other Comprehensive (Loss)/Income) (Details) (Accumulated Other Comprehensive (Loss)/Income [Member], USD $)
In Millions |
Apr. 30, 2011
|
Jan. 29, 2011
|
|---|---|---|
|
Accumulated Other Comprehensive (Loss)/Income [Member]
|
 |  |
| Net unrealized gains on REITs, Net of Tax | $ 135 | $ 112 |
| Net unrealized gains on REITs, Deferred Tax | 75 | 62 |
| Net actuarial (loss)/gain and prior service (cost)/credit - pension and postretirement plans, Net of Tax | (898) | (917) |
| Net actuarial (loss)/gain and prior service (cost)/credit - pension and postretirement plans, Deferred Tax Asset | $ 573 | $ 585 |