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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, 2020 | Dec. 31, 2019
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Unrealized gain on: |  |
Pretax | $ 1,534 | $ 1,091
Deferred Tax | (322) | (229)
Net | 1,212 | 862
Total fixed maturities |  |
Unrealized gain on: |  |
Pretax | 2,950 | 1,981
Deferred Tax | (619) | (416)
Net | 2,331 | 1,565
Fixed maturities — annuity segment |  |
Unrealized gain on: |  |
Pretax | 2,473 | 1,611
Deferred Tax | (519) | (338)
Net | 1,954 | 1,273
Fixed maturities — all other |  |
Unrealized gain on: |  |
Pretax | 477 | 370
Deferred Tax | (100) | (78)
Net | 377 | 292
Deferred policy acquisition costs — annuity segment |  |
Unrealized gain on: |  |
Pretax | (1,049) | (681)
Deferred Tax | 220 | 143
Net | (829) | (538)
Annuity benefits accumulated |  |
Unrealized gain on: |  |
Pretax | (377) | (219)
Deferred Tax | 79 | 46
Net | (298) | (173)
Life, accident and health reserves |  |
Unrealized gain on: |  |
Pretax | (3) | (1)
Deferred Tax | 1 | 0
Net | (2) | (1)
Unearned revenue |  |
Unrealized gain on: |  |
Pretax | 13 | 11
Deferred Tax | (3) | (2)
Net | $ 10 | $ 9

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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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