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Basis of Presentation and Significant Events - Narrative (Details) | Jul. 02, 2015 USD ($) $ / shares shares
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Subsequent Event [Line Items] |
Maximum dividend allowed prior to merger | $ / shares | $ 0.29
Agreement and Plan of Merger with Aetna Inc. |
Subsequent Event [Line Items] |
Number of shares one share of common stock is converted into | shares | 0.8375
Cash received for each share converted | $ 125
Total transaction cost, including assumption of debt | $ 37,000,000,000

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- Definition Common Stock, Dividends, Per Share, Maximum Allowed Prior To Merger + References No definition available. + Details
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- Definition Conversion of Stock, Number of Merged Company Shares to be Received for Each Share Held + References No definition available. + Details
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- Definition Merger, Estimated Transaction Value + References No definition available. + Details
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- Details
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