Consolidated Balance Sheets (Parenthetical) $ in Millions |
Jun. 30, 2015
USD ($)
shares
|
Dec. 31, 2014
USD ($)
shares
|
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Fixed maturities available for sale, at amortized cost | $ 47,599 | $ 47,826 |
| Fixed maturities available for sale, hybrid financial instruments | 282 | 274 |
| Fixed maturities held to maturity, at amortized cost | 8,805 | 7,589 |
| Equity securities, at cost | 433 | 440 |
| Other investments, cost | $ 2,989 | $ 2,999 |
| Common Shares, shares issued | shares | 342,832,412 | 342,832,412 |
| Common Shares, shares outstanding | shares | 323,814,281 | 328,659,686 |
| Common Shares in treasury, shares | shares | 19,018,131 | 14,172,726 |
| X | ||||||||||
- Definition This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This item represents the cost of equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments for other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. No definition available.
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value of investments in debt securities classified as held-to-maturity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value as of the balance sheet date of hybrid instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Includes other investments and securities that are not at fair value as of the balance sheet date and those that are not accounted for under the equity method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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