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Shareholders' Equity (Details 1) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Components of accumulated other comprehensive income |  |  |  |  |  |  |
Unrealized holding gains (losses) on securities arising during the period, pretax |  | $ (329) |  | $ 200 | $ (223) |  | $ 411
Unrealized holding gains (losses) on securities arising during the period, tax |  | 115 |  | (70) | 78 |  | (144)
Unrealized holding gains (losses) on securities arising during the period, net of tax |  | (214) |  | 130 | (145) |  | 267
Unrealized holding gains (losses) on securities arising during the period, attributable to noncontrolling interests |  | 3 |  | (3) | 2 |  | (6)
Unrealized holding gains (losses) on securities arising during the period, attributable to shareholders |  | (211) |  | 127 | (143) |  | 261
Reclassification adjustment for realized (gains) losses included in net earnings, pretax | [1] | (1) |  | (12) | (20) |  | (30)
Reclassification adjustment for realized (gains) losses included in net earnings, tax | [1] | 0 |  | 4 | 7 |  | 10
Reclassification adjustment for realized (gains) losses included in net earnings, net of tax |  | (1) |  | (8) | (13) |  | (20)
Reclassification adjustment for realized (gains) losses included in net earnings, attributable to noncontrolling interests | [1] | 0 |  | 1 | 0 |  | 1
Reclassification adjustment for realized (gains) losses included in net earnings, attributable to shareholders |  | (1) |  | (7) | (13) |  | (19)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |  |  |  |
Accumulated other comprehensive income, net unrealized gains on securities, beginning balance |  | 799 | [2] | 685 | 743 | [2] | 563
Other comprehensive income, net unrealized gains on securities, pretax |  | (330) |  | 188 | (243) |  | 381
Other comprehensive income, net unrealized gains on securities, tax |  | 115 |  | (66) | 85 |  | (134)
Total net unrealized gains (losses) on securities |  | (215) |  | 122 | (158) |  | 247
Other comprehensive income, net unrealized gains on securities, attributable to noncontrolling interests |  | 3 |  | (2) | 2 |  | (5)
Other comprehensive income, net unrealized gains on securities, attributable to shareholders |  | (212) |  | 120 | (156) |  | 242
Accumulated other comprehensive income, net unrealized gains on securities, ending balance |  | 587 | [2] | 805 | 587 | [2] | 805
Accumulated other comprehensive income, net unrealized gains (losses) on cash flow hedges, beginning balance |  | 1 |  |  | 0 |  |
Other comprehensive income, net unrealized gains (losses) on cash flow hedges, pretax |  | (1) |  |  | 0 |  |
Other comprehensive income, net unrealized gains (losses) on cash flow hedges, tax |  | 0 |  |  | 0 |  |
Other comprehensive income, net unrealized gains (losses) on cash flow hedges, net of tax |  | (1) |  | 0 | 0 |  | 0
Other comprehensive income, net unrealized gains (losses) on cash flow hedges, attributable to noncontrolling interests |  | 0 |  |  | 0 |  |
Other comprehensive income, net unrealized gains (losses) on cash flow hedges, attributable to shareholders |  | (1) |  |  | 0 |  |
Accumulated other comprehensive income, net unrealized gains (losses) on cash flow hedges, ending balance |  | 0 |  |  | 0 |  |
Accumulated other comprehensive income, foreign currency translation adjustments, beginning balance |  | (16) |  | (4) | (8) |  | 1
Other comprehensive income, foreign currency translation adjustments, pretax |  | 0 |  | 2 | (8) |  | (3)
Other comprehensive income, foreign currency translation adjustments, net of tax |  | 0 |  | 2 | (8) |  | (3)
Other comprehensive income, foreign currency translation adjustments, attributable to noncontrolling interests |  | 0 |  | 0 | 0 |  | 0
Other comprehensive income, foreign currency translation adjustments, attributable to shareholders |  | 0 |  | 2 | (8) |  | (3)
Accumulated other comprehensive income, foreign currency translation adjustments, ending balance |  | (16) |  | (2) | (16) |  | (2)
Accumulated other comprehensive income, pension and other postretirement plans adjustments, beginning balance |  | (8) |  | (4) | (8) |  | (4)
Other comprehensive income, pension and other postretirement plans adjustments, pretax |  | 0 |  | 0 | 0 |  | 0
Other comprehensive income, pension and other postretirement plans adjustments, tax |  | 0 |  | 0 | 0 |  | 0
Other comprehensive income, pension and other postretirement plans adjustments, net of tax |  | 0 |  | 0 | 0 |  | 0
Other comprehensive income, pension and other postretirement plans adjustments, attributable to shareholders |  | 0 |  | 0 | 0 |  | 0
Accumulated other comprehensive income, pension and other postretirement plans adjustments, ending balance |  | (8) |  | (4) | (8) |  | (4)
Accumulated other comprehensive income, total, beginning balance |  | 776 |  | 677 | 727 |  | 560
Other comprehensive income, total, pretax |  | (331) |  | 190 | (251) |  | 378
Other comprehensive income, total, tax |  | 115 |  | (66) | 85 |  | (134)
Other comprehensive income (loss), net of tax |  | (216) |  | 124 | (166) |  | 244
Other comprehensive income, total, attributable to noncontrolling interests |  | 3 |  | (2) | 2 |  | (5)
Other comprehensive income, total, attributable to shareholders |  | (213) |  | 122 | (164) |  | 239
Accumulated other comprehensive income, total, ending balance |  | $ 563 |  | $ 799 | $ 563 |  | $ 799
[1] | The reclassification adjustment out of net unrealized gains on securities affected the following lines in AFG’s Consolidated Statement of Earnings: OCI component Affected line in the Consolidated Statement of Earnings Pretax Realized gains (losses) on securities Tax Provision for income taxes Attributable to noncontrolling interests Net earnings (loss) attributable to noncontrolling interests
[2] | Includes net unrealized gains of $57 million at both June 30, 2015 and March 31, 2015 and $58 million at December 31, 2014 related to securities for which only the credit portion of an other-than-temporary impairment has been recorded in earnings.

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