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v3.20.2

Shareholders' Equity - Progression of the components of accumulated other comprehensive income (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
AOCI beginning balance |  |  |  | $ 863 |
Other comprehensive income, net of tax |  | $ 1,021 | $ 366 | 192 | $ 762
AOCI ending balance |  | 1,053 |  | 1,053 |
Accumulated Net Investment Gain (Loss) Including Portion Attributable to Noncontrolling Interest |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other comprehensive income (loss), unrealized holding gains on securities arising during the period, Pretax |  | 1,293 | 450 | 198 | 937
Other comprehensive income (loss), unrealized holding gains on securities arising during the period, tax |  | (272) | (94) | (42) | (197)
Other comprehensive income (loss), unrealized holding gains on securities arising during the period, net of tax |  | 1,021 | 356 | 156 | 740
Reclassification from accumulated other comprehensive income, pretax | [1] | (9) | (10) | 15 | (14)
Reclassification from accumulated other comprehensive income, tax | [1] | 2 | 2 | (3) | 3
Reclassification from accumulated other comprehensive income, net of tax | [1] | (7) | (8) | 12 | (11)
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
Other comprehensive income (loss), pretax |  | 1,284 | 440 | 213 | 923
Other comprehensive income (loss), tax |  | (270) | (92) | (45) | (194)
Other comprehensive income, net of tax |  | 1,014 | 348 | 168 | 729
Accumulated Net Investment Gain (Loss) Attributable to Noncontrolling Interest |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other comprehensive income (loss), unrealized holding gains on securities arising during the period, net of tax |  | 0 | 0 | 0 | 0
Reclassification from accumulated other comprehensive income, net of tax | [1] | 0 | 0 | 0 | 0
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
Other comprehensive income, net of tax |  | 0 | 0 | 0 | 0
Accumulated Net Investment Gain (Loss) Attributable to Parent |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other comprehensive income (loss), unrealized holding gains on securities arising during the period, net of tax |  | 1,021 | 356 | 156 | 740
Reclassification from accumulated other comprehensive income, net of tax | [1] | (7) | (8) | 12 | (11)
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
AOCI beginning balance |  | 16 | 464 | 862 | 83
Other comprehensive income, net of tax |  | 1,014 | 348 | 168 | 729
AOCI ending balance |  | 1,030 | 812 | 1,030 | 812
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
Other comprehensive income (loss), pretax |  | 4 | 23 | 38 | 37
Other comprehensive income (loss), tax |  | (1) | (5) | (8) | (8)
Other comprehensive income, net of tax |  | 3 | 18 | 30 | 29
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Noncontrolling Interest |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
Other comprehensive income, net of tax |  | 0 | 0 | 0 | 0
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
AOCI beginning balance |  | 44 | 0 | 17 | (11)
Other comprehensive income, net of tax |  | 3 | 18 | 30 | 29
AOCI ending balance |  | 47 | 18 | 47 | 18
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
Other comprehensive income (loss), pretax |  | 4 | (1) | (6) | 3
Other comprehensive income (loss), tax |  | 0 | 1 | 0 | 1
Other comprehensive income, net of tax |  | 4 | 0 | (6) | 4
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
Other comprehensive income, net of tax |  | 0 | (1) | (2) | (1)
Accumulated Foreign Currency Adjustment Attributable to Parent |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
AOCI beginning balance |  | (21) | (12) | (9) | (16)
Other comprehensive income, net of tax |  | 4 | (1) | (8) | 3
AOCI ending balance |  | (17) | (13) | (17) | (13)
Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
Other comprehensive income (loss), pretax |  | 0 | 0 | 0 | 0
Other comprehensive income (loss), tax |  | 0 | 0 | 0 | 0
Other comprehensive income, net of tax |  | 0 | 0 | 0 | 0
Accumulated Defined Benefit Plans Adjustment Attributable to Noncontrolling Interest |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
Other comprehensive income, net of tax |  | 0 | 0 | 0 | 0
Accumulated Defined Benefit Plans Adjustment Attributable to Parent |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
AOCI beginning balance |  | (7) | (8) | (7) | (8)
Other comprehensive income, net of tax |  | 0 | 0 | 0 | 0
AOCI ending balance |  | (7) | (8) | (7) | (8)
AOCI Including Portion Attributable to Noncontrolling Interest |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
Other comprehensive income (loss), pretax |  | 1,292 | 462 | 245 | 963
Other comprehensive income (loss), tax |  | (271) | (96) | (53) | (201)
Other comprehensive income, net of tax |  | 1,021 | 366 | 192 | 762
AOCI Attributable to Noncontrolling Interest |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
Other comprehensive income, net of tax |  | 0 | (1) | (2) | (1)
AOCI Attributable to Parent |  |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |  |
AOCI beginning balance |  | 32 | 444 | 863 | 48
Other comprehensive income, net of tax |  | 1,021 | 365 | 190 | 761
AOCI ending balance |  | $ 1,053 | $ 809 | $ 1,053 | $ 809
[1] | The reclassification adjustment out of net unrealized gains (losses) on securities affected the following lines in AFG’s Statement of Earnings:
| OCI component |  | Affected line in the statement of earnings |
| Pretax |  | Realized gains (losses) on securities |
| Tax |  | Provision (credit) for income taxes |

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