| December 31, 2013 | ||||||||||||||||||
| Gross | Gross | |||||||||||||||||
| Amortized | Unrealized | Unrealized | Fair | |||||||||||||||
| Cost | Gains | Losses | Value | |||||||||||||||
| (in millions) | ||||||||||||||||||
| Fixed maturities, held-to-maturity | ||||||||||||||||||
| Foreign government bonds | $ | 938 | $ | 117 | $ | 0 | $ | 1,055 | ||||||||||
| Corporate securities(4) | 904 | 50 | 24 | 930 | ||||||||||||||
| Asset-backed securities(1) | 693 | 46 | 0 | 739 | ||||||||||||||
| Commercial mortgage-backed securities | 166 | 18 | 0 | 184 | ||||||||||||||
| Residential mortgage-backed securities(2) | 611 | 34 | 0 | 645 | ||||||||||||||
| Total fixed maturities, held-to-maturity(4) | $ | 3,312 | $ | 265 | $ | 24 | $ | 3,553 | ||||||||||
(1) Includes credit-tranched securities collateralized by sub-prime mortgages, auto loans, credit cards, education loans and other asset types.
(2) Includes publicly-traded agency pass-through securities and collateralized mortgage obligations.
(3) Represents the amount of other-than-temporary impairment losses in AOCI, which were not included in earnings. Amount excludes $875 million of net unrealized gains on impaired available-for-sale securities and $1 million on impaired held-to-maturity securities relating to changes in the value of such securities subsequent to the impairment measurement date.
(4) Excludes notes with amortized cost of $2,400 million (fair value, $2,461 million) which have been offset with the associated payables under a netting agreement.
| December 31, 2012 | ||||||||||||||||||
| Gross | Gross | |||||||||||||||||
| Amortized | Unrealized | Unrealized | Fair | |||||||||||||||
| Cost | Gains | Losses | Value | |||||||||||||||
| (in millions) | ||||||||||||||||||
| Fixed maturities, held-to-maturity | ||||||||||||||||||
| Foreign government bonds | $ | 1,142 | $ | 108 | $ | 0 | $ | 1,250 | ||||||||||
| Corporate securities(4) | 1,065 | 37 | 67 | 1,035 | ||||||||||||||
| Asset-backed securities(1) | 1,001 | 66 | 0 | 1,067 | ||||||||||||||
| Commercial mortgage-backed securities | 302 | 49 | 0 | 351 | ||||||||||||||
| Residential mortgage-backed securities(2) | 758 | 50 | 0 | 808 | ||||||||||||||
| Total fixed maturities, held-to-maturity(4) | $ | 4,268 | $ | 310 | $ | 67 | $ | 4,511 | ||||||||||