Earnings per Common Share Other (Details)
|
Mar. 31, 2014
|
Mar. 03, 2009
Walmart [Member]
Common Class A [Member]
|
Mar. 31, 2014
Walmart [Member]
Employee Stock Option [Member]
Common Class A [Member]
|
---|---|---|---|
Diluted earnings per common share [Line Items] | |||
Unvested Walmart Shares | 3,426,765 | 478,482 | |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | 4,283,456 |