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Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2025
Accumulated Other Comprehensive Income [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | Accumulated other comprehensive income (AOCI) includes changes in unrealized gains and losses on investments, changes in pension obligations and changes in life policy reserves, reinsurance recoverable and other as follows:
(Dollars in millions) |  | Three months ended March 31,
|  | 2025 |  |  | 2024
|  | Before tax |  | Income tax |  | Net |  |  | Before tax |  | Income tax |  | Net
Investments: |  |  |  |  |  |  |  |  |  |  |  |  |
AOCI, beginning of period |  | $ | (553) |  |  | $ | (119) |  |  | $ | (434) |  |  |  | $ | (570) |  |  | $ | (123) |  |  | $ | (447) |
OCI before investment gains and losses, net, recognized in net income |  | 65 |  |  | 14 |  |  | 51 |  |  |  | (65) |  |  | (13) |  |  | (52) |
Investment gains and losses, net, recognized in net income |  | 2 |  |  | — |  |  | 2 |  |  |  | 10 |  |  | 2 |  |  | 8 |
OCI |  | 67 |  |  | 14 |  |  | 53 |  |  |  | (55) |  |  | (11) |  |  | (44) |
AOCI, end of period |  | $ | (486) |  |  | $ | (105) |  |  | $ | (381) |  |  |  | $ | (625) |  |  | $ | (134) |  |  | $ | (491) |
Pension obligations: |  |  |  |  |  |  |  |  |  |  |  |  |
AOCI, beginning of period |  | $ | 75 |  |  | $ | 17 |  |  | $ | 58 |  |  |  | $ | 30 |  |  | $ | 8 |  |  | $ | 22 |
OCI excluding amortization recognized in net income |  | — |  |  | — |  |  | — |  |  |  | — |  |  | — |  |  | — |
Amortization recognized in net income |  | (1) |  |  | — |  |  | (1) |  |  |  | — |  |  | — |  |  | — |
OCI |  | (1) |  |  | — |  |  | (1) |  |  |  | — |  |  | — |  |  | — |
AOCI, end of period |  | $ | 74 |  |  | $ | 17 |  |  | $ | 57 |  |  |  | $ | 30 |  |  | $ | 8 |  |  | $ | 22 |
Life policy reserves, reinsurance recoverable and other: |  |  |  |  |  |  |  |  |  |  |  |  |
AOCI, beginning of period |  | $ | 85 |  |  | $ | 18 |  |  | $ | 67 |  |  |  | $ | (13) |  |  | $ | (3) |  |  | $ | (10) |
OCI before investment gains and losses, net, recognized in net income |  | (17) |  |  | (3) |  |  | (14) |  |  |  | 47 |  |  | 10 |  |  | 37 |
Investment gains and losses, net, recognized in net income |  | — |  |  | — |  |  | — |  |  |  | — |  |  | — |  |  | — |
OCI |  | (17) |  |  | (3) |  |  | (14) |  |  |  | 47 |  |  | 10 |  |  | 37 |
AOCI, end of period |  | $ | 68 |  |  | $ | 15 |  |  | $ | 53 |  |  |  | $ | 34 |  |  | $ | 7 |  |  | $ | 27 |
Summary of AOCI: |  |  |  |  |  |  |  |  |  |  |  |  |
AOCI, beginning of period |  | $ | (393) |  |  | $ | (84) |  |  | $ | (309) |  |  |  | $ | (553) |  |  | $ | (118) |  |  | $ | (435) |
Investments OCI |  | 67 |  |  | 14 |  |  | 53 |  |  |  | (55) |  |  | (11) |  |  | (44) |
Pension obligations OCI |  | (1) |  |  | — |  |  | (1) |  |  |  | — |  |  | — |  |  | — |
Life policy reserves, reinsurance recoverable and other OCI |  | (17) |  |  | (3) |  |  | (14) |  |  |  | 47 |  |  | 10 |  |  | 37 |
Total OCI |  | 49 |  |  | 11 |  |  | 38 |  |  |  | (8) |  |  | (1) |  |  | (7) |
AOCI, end of period |  | $ | (344) |  |  | $ | (73) |  |  | $ | (271) |  |  |  | $ | (561) |  |  | $ | (119) |  |  | $ | (442) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
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