| Entity Registrant Name | WellPoint, Inc. |
| CIK | 0001156039 |
| Accession number | 0001156039-14-000003 |
| Link to XBRL instance | http://www.sec.gov/Archives/edgar/data/1156039/000115603914000003/wlp-20131231.xml |
| Fiscal year end | --12-31 |
| Fiscal year focus | 2013 |
| Fiscal period focus | FY |
| Current balance sheet date | 2013-12-31 |
| Current year-to-date income statement start date | 2013-01-01 |
| Commentary | All information interpreted as expected. |
| Level 3 (Disclosure) Text Block concept | us-gaap:PropertyPlantAndEquipmentTextBlock |
A summary of property and equipment at December 31 is as follows:
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Level 4 Details Key Concepts: Long-term Debt Maturities
| Description | Fact value | US GAAP XBRL Concept |
|---|---|---|
| PPE, Gross | 3,485,000,000 | us-gaap:PropertyPlantAndEquipmentGross |
| Accumulated depreciation | 1,683,500,000 | us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment |
| PPE, Net | 1,801,500,000 | us-gaap:PropertyPlantAndEquipmentNet |
| CHECK | 0 |
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