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Investments - Components of the net unrealized gain on securities that is included in AOCI in the Balance Sheet (Details) - USD ($) $ in Millions | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Unrealized gain on: |  |  |
Pretax |  | $ 1,205 | $ 517
Deferred Tax and Amounts Attributable to Noncontrolling Interests |  | (433) | (185)
Net |  | 772 | 332
Total investments |  |  |
Unrealized gain on: |  |  |
Pretax |  | 1,969 | 803
Deferred Tax and Amounts Attributable to Noncontrolling Interests |  | (700) | (285)
Net |  | 1,269 | 518
Total fixed maturities |  |  |
Unrealized gain on: |  |  |
Pretax |  | 1,808 | 719
Deferred Tax and Amounts Attributable to Noncontrolling Interests |  | (642) | (255)
Net |  | 1,166 | 464
Fixed maturities — annuity segment |  |  |
Unrealized gain on: |  |  |
Pretax | [1] | 1,420 | 523
Deferred Tax and Amounts Attributable to Noncontrolling Interests | [1] | (497) | (183)
Net | [1] | 923 | 340
Fixed maturities — all other |  |  |
Unrealized gain on: |  |  |
Pretax |  | 388 | 196
Deferred Tax and Amounts Attributable to Noncontrolling Interests |  | (145) | (72)
Net |  | 243 | 124
Equity securities |  |  |
Unrealized gain on: |  |  |
Pretax |  | 161 | 84
Deferred Tax and Amounts Attributable to Noncontrolling Interests |  | (58) | (30)
Net |  | 103 | 54
Deferred policy acquisition costs — annuity segment |  |  |
Unrealized gain on: |  |  |
Pretax |  | (614) | (233)
Deferred Tax and Amounts Attributable to Noncontrolling Interests |  | 215 | 82
Net |  | (399) | (151)
Annuity benefits accumulated |  |  |
Unrealized gain on: |  |  |
Pretax |  | (179) | (64)
Deferred Tax and Amounts Attributable to Noncontrolling Interests |  | 63 | 22
Net |  | (116) | (42)
Life, accident and health reserves |  |  |
Unrealized gain on: |  |  |
Pretax |  | (1) |
Deferred Tax and Amounts Attributable to Noncontrolling Interests |  | 0 |
Net |  | (1) |
Unearned revenue |  |  |
Unrealized gain on: |  |  |
Pretax |  | 30 | 11
Deferred Tax and Amounts Attributable to Noncontrolling Interests |  | (11) | (4)
Net |  | $ 19 | $ 7
[1] | Unrealized gains on fixed maturity investments supporting AFG’s annuity benefits accumulated.

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- Definition Accumulated other comprehensive income loss available for sale securities adjustment deferred tax and non controlling interest. + References No definition available. + Details
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- Definition Accumulated other comprehensive income loss available for sale securities adjustment, pretax. + References No definition available. + Details
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