| Component: (Network and Table) | |
|---|---|
| Network | 000100 - Document - Document and Entity Information (http://walgreens.com/role/DocumentAndEntityInformation) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000104207 (http://www.sec.gov/CIK) |
| Document and Entity Information [Abstract] | Period [Axis] | |
|---|---|---|
2012-09-01 - 2013-08-31 | 2013-02-28 | |
Document and Entity Information [Abstract] | ||
Entity Registrant Name | Walgreen Co | |
Entity Central Index Key | 0000104207 | |
Current Fiscal Year End Date | --08-31 | |
Entity Well-known Seasoned Issuer | Yes | |
Entity Voluntary Filers | No | |
Entity Current Reporting Status | Yes | |
Entity Filer Category | Large Accelerated Filer | |
Entity Public Float | 35,800,000,000 | |
Entity Common Stock, Shares Outstanding | 946,595,578 | |
Document Fiscal Year Focus | 2013 | |
Document Fiscal Period Focus | FY | |
Document Type | 10-K | |
Amendment Flag | false | |
Document Period End Date | 2013-08-31 | |