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v3.3.1.900

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Fixed-maturity securities held as available-for-sale, amortized cost | $ 6,160 | $ 6,509
Investments held-to-maturity, fair value | $ 2,401 | $ 2,632
Preferred stock, par value | $ 1 | $ 1
Preferred stock, authorized shares | 10,000,000 | 10,000,000
Preferred stock, issued | 0 | 0
Preferred stock, outstanding | 0 | 0
Common stock, par value | $ 1 | $ 1
Common stock, authorized shares | 400,000,000 | 400,000,000
Common stock, issued shares | 281,833,618 | 281,352,782
Accumulated other comprehensive income (loss), taxes | $ 51 | $ 7
Treasury stock, shares | 130,303,241 | 89,409,887
Non Variable Interest Entity [Member] |  |
Fixed-maturity securities held as available-for-sale, amortized cost | $ 5,155 | $ 5,036
Investments pledged as collateral, amortized cost | 322 | 441
Short-term investments held as available-for-sale, amortized cost | 720 | 1,069
Other investments, fair value | 13 | 13
Medium-term notes, financial instruments carried at fair value | 161 | 197
Variable Interest Entity Primary Beneficiary [Member] |  |
Investments held-to-maturity, fair value | 2,401 | 2,632
Variable interest entity notes, financial instruments carried at fair value | $ 2,362 | $ 2,047

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