|
Segments (Reconciliation of Revenue from Segments to Consolidated) (Details) (USD $)
In Millions |
3 Months Ended | |
|---|---|---|
|
Apr. 30, 2011
|
Apr. 30, 2010
|
|
| Net sales | $ 103,415 | $ 99,097 |
|
Walmart U.S. [Member]
|
||
| Net sales | 62,669 | 62,324 |
|
Walmart International [Member]
|
||
| Net sales | 27,905 | 25,030 |
|
Sam's Club [Member]
|
||
| Net sales | $ 12,841 | $ 11,743 |