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Investments (Details 4) (USD $) In Millions, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | --- | --- | ---
Unrealized gain on: |  |  |  |  |  |
Pretax | $ 1,073 |  | $ 880 |  |  |
Deferred Tax and Amounts Attributable to Noncontrolling Interests | (388) |  | (317) |  |  |
Net | 685 | [1] | 563 | [1] | 865 | 823
Fixed maturities - annuity segment [Member] |  |  |  |  |  |
Unrealized gain on: |  |  |  |  |  |
Pretax | 963 | [2] | 729 | [2] |  |
Deferred Tax and Amounts Attributable to Noncontrolling Interests | (337) | [2] | (255) | [2] |  |
Net | 626 | [2] | 474 | [2] |  |
Fixed maturities - all other [Member] |  |  |  |  |  |
Unrealized gain on: |  |  |  |  |  |
Pretax | 443 |  | 361 |  |  |
Deferred Tax and Amounts Attributable to Noncontrolling Interests | (163) |  | (133) |  |  |
Net | 280 |  | 228 |  |  |
Equity securities [Member] |  |  |  |  |  |
Unrealized gain on: |  |  |  |  |  |
Pretax | 205 |  | 192 |  |  |
Deferred Tax and Amounts Attributable to Noncontrolling Interests | (76) |  | (70) |  |  |
Net | 129 |  | 122 |  |  |
Deferred policy acquisition costs - annuity segment [Member] |  |  |  |  |  |
Unrealized gain on: |  |  |  |  |  |
Pretax | (450) |  | (345) |  |  |
Deferred Tax and Amounts Attributable to Noncontrolling Interests | 157 |  | 121 |  |  |
Net | (293) |  | (224) |  |  |
Annuity benefits accumulated [Member] |  |  |  |  |  |
Unrealized gain on: |  |  |  |  |  |
Pretax | (97) |  | (71) |  |  |
Deferred Tax and Amounts Attributable to Noncontrolling Interests | 34 |  | 25 |  |  |
Net | (63) |  | (46) |  |  |
Life, accident and health reserves [Member] |  |  |  |  |  |
Unrealized gain on: |  |  |  |  |  |
Pretax | (20) |  | (8) |  |  |
Deferred Tax and Amounts Attributable to Noncontrolling Interests | 7 |  | 3 |  |  |
Net | (13) |  | (5) |  |  |
Unearned revenue [Member] |  |  |  |  |  |
Unrealized gain on: |  |  |  |  |  |
Pretax | 29 |  | 22 |  |  |
Deferred Tax and Amounts Attributable to Noncontrolling Interests | (10) |  | (8) |  |  |
Net | $ 19 |  | $ 14 |  |  |
[1] | Includes net unrealized gains of $58 million at March 31, 2014 compared to $54 million at December 31, 2013 related to securities for which only the credit portion of an other-than-temporary impairment has been recorded in earnings.
[2] | Unrealized gains on fixed maturity investments supporting AFG’s annuity benefits accumulated.

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