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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 | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Unrealized gain on: |  |  |
Pretax |  | $ 1,304 | $ 1,091
Deferred Tax |  | (274) | (229)
Net |  | 1,030 | 862
Total fixed maturities |  |  |
Unrealized gain on: |  |  |
Pretax |  | 2,437 | 1,981
Deferred Tax |  | (512) | (416)
Net |  | 1,925 | 1,565
Fixed maturities — annuity segment |  |  |
Unrealized gain on: |  |  |
Pretax | [1] | 2,031 | 1,611
Deferred Tax | [1] | (427) | (338)
Net | [1] | 1,604 | 1,273
Fixed maturities — all other |  |  |
Unrealized gain on: |  |  |
Pretax |  | 406 | 370
Deferred Tax |  | (85) | (78)
Net |  | 321 | 292
Deferred policy acquisition costs — annuity segment |  |  |
Unrealized gain on: |  |  |
Pretax |  | (877) | (681)
Deferred Tax |  | 184 | 143
Net |  | (693) | (538)
Annuity benefits accumulated |  |  |
Unrealized gain on: |  |  |
Pretax |  | (269) | (219)
Deferred Tax |  | 57 | 46
Net |  | (212) | (173)
Life, accident and health reserves |  |  |
Unrealized gain on: |  |  |
Pretax |  | (1) | (1)
Deferred Tax |  | 0 | 0
Net |  | (1) | (1)
Unearned revenue |  |  |
Unrealized gain on: |  |  |
Pretax |  | 14 | 11
Deferred Tax |  | (3) | (2)
Net |  | $ 11 | $ 9
[1] | Net 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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- Definition unrealized gain on securities, included in Accumulated Other Comprehensive Income. + References No definition available. + Details
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- Definition Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e681-108580 + Details
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