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Reserves for Future Policy Benefits and Contract Owner Account Balances - Liability for Future Policy Benefits (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) yr | Dec. 31, 2023 USD ($) yr
Present Value of Expected Future Policy Benefits: |  |  |
Net liability for future policy benefits |  | $ 9,355 | $ 9,560
Current discount rate |  | 4.30% | 4.20%
Health Solutions Group |  |  |
Present Value of Expected Net Premiums: |  |  |
Balance at beginning of period | $ 68 | $ 68 | $ 77
Beginning balance at original discount rate | 71 | 71 | 84
Reclassifications |  | (65) |
Effect of change in cash flow assumptions |  | 0 | (6)
Effect of actual variances from expected experience |  | 0 | 11
Adjusted balance at January 1 |  | 6 | 89
Interest accrual |  | 0 | 2
Net premiums collected |  | (1) | (20)
Ending balance at original discount rate |  | 5 | 71
Effects of changes in discount rate assumptions |  | 0 | (3)
Balance at end of period |  | 5 | 68
Present Value of Expected Future Policy Benefits: |  |  |
Balance at beginning of period | 899 | 899 | 881
Beginning balance at original discount rate | 918 | 918 | 913
Reclassifications |  | (150) |
Effect of change in cash flow assumptions |  | 18 | (8)
Effect of actual variances from expected experience |  | (12) | (16)
Adjusted balance at January 1 |  | 774 | 889
Issuances |  | 60 | 136
Interest accrual |  | 11 | 24
Excess Benefits |  | (61) | (131)
Ending balance at original discount rate |  | 784 | 918
Effects of changes in discount rate assumptions |  | (27) | (19)
Balance at end of period |  | 757 | 899
Net liability for future policy benefits |  | 752 | 831
Less: Reinsurance recoverable |  | 318 | 315
Net additional liability, after reinsurance recoverable |  | 434 | 516
Expected future benefit payments, Undiscounted |  | 975 | 1,144
Expected future gross premiums, Undiscounted |  | 10 | 271
Expected future benefit payments, Discounted |  | 784 | 918
Expected future gross premiums, Discounted |  | $ 8 | $ 214
Weighted average duration (in years) | yr |  | 7 | 7
Interest accretion rate |  | 4.00% | 4.00%
Current discount rate |  | 5.50% | 4.90%
Liabilityforfuturepolicybenefitexpectedfuturepolicybenefitreclassification |  |  | $ (17)
Liabilityforfuturepolicybenefitexpectednetpremiumreclassification |  |  | (17)
Health Solutions Voluntary |  |  |
Present Value of Expected Net Premiums: |  |  |
Balance at beginning of period | 101 | $ 101 | 97
Beginning balance at original discount rate | 102 | 102 | 100
Reclassifications |  | 65 |
Effect of change in cash flow assumptions |  | 0 | 6
Effect of actual variances from expected experience |  | 28 | 8
Adjusted balance at January 1 |  | 195 | 114
Interest accrual |  | 4 | 4
Net premiums collected |  | (17) | (16)
Ending balance at original discount rate |  | 182 | 102
Effects of changes in discount rate assumptions |  | (9) | (1)
Balance at end of period |  | 173 | 101
Present Value of Expected Future Policy Benefits: |  |  |
Balance at beginning of period | 307 | 307 | 285
Beginning balance at original discount rate | 307 | 307 | 294
Reclassifications |  | 150 |
Effect of change in cash flow assumptions |  | 9 | 13
Effect of actual variances from expected experience |  | 26 | 9
Adjusted balance at January 1 |  | 492 | 316
Issuances |  | 0 | 0
Interest accrual |  | 9 | 14
Excess Benefits |  | (22) | (23)
Ending balance at original discount rate |  | 479 | 307
Effects of changes in discount rate assumptions |  | (24) | 0
Balance at end of period |  | 455 | 307
Net liability for future policy benefits |  | 282 | 206
Less: Reinsurance recoverable |  | 8 | 0
Net additional liability, after reinsurance recoverable |  | 274 | 206
Expected future benefit payments, Undiscounted |  | 881 | 668
Expected future gross premiums, Undiscounted |  | 644 | 341
Expected future benefit payments, Discounted |  | 479 | 307
Expected future gross premiums, Discounted |  | $ 435 | $ 213
Weighted average duration (in years) | yr |  | 15,000,000 | 14,000,000
Interest accretion rate |  | 5.10% | 5.20%
Current discount rate |  | 5.60% | 5.10%
Businesses Exited |  |  |
Present Value of Expected Net Premiums: |  |  |
Balance at beginning of period | 3,145 | $ 3,145 | $ 4,244
Beginning balance at original discount rate | 2,992 | 2,992 | 4,128
Effect of change in cash flow assumptions |  | 0 | (921)
Effect of actual variances from expected experience |  | (122) | (91)
Adjusted balance at January 1 |  | 2,870 | 3,116
Interest accrual |  | 81 | 196
Net premiums collected |  | (158) | (320)
Ending balance at original discount rate |  | 2,793 | 2,992
Effects of changes in discount rate assumptions |  | 34 | 153
Balance at end of period |  | 2,827 | 3,145
Present Value of Expected Future Policy Benefits: |  |  |
Balance at beginning of period | 7,538 | 7,538 | 8,639
Beginning balance at original discount rate | 7,404 | 7,404 | 8,644
Effect of change in cash flow assumptions |  | 32 | (805)
Effect of actual variances from expected experience |  | (154) | (123)
Adjusted balance at January 1 |  | 7,282 | 7,716
Issuances |  | 10 | 17
Interest accrual |  | 187 | 412
Excess Benefits |  | (347) | (741)
Ending balance at original discount rate |  | 7,132 | 7,404
Effects of changes in discount rate assumptions |  | (123) | 134
Balance at end of period |  | 7,009 | 7,538
Net liability for future policy benefits |  | 4,182 | 4,392
Less: Reinsurance recoverable |  | 4,105 | 4,342
Net additional liability, after reinsurance recoverable |  | 77 | 50
Expected future benefit payments, Discounted |  | $ 7,132 | $ 7,404
Weighted average duration (in years) | yr |  | 8,000,000 | 8,000,000
Interest accretion rate |  | 4.90% | 4.90%
Current discount rate |  | 5.60% | 5.10%
Businesses Exited - Additional liability |  |  |
Present Value of Expected Future Policy Benefits: |  |  |
Balance at beginning of period | 2,107 | $ 2,107 |
Effect of change in cash flow assumptions |  | 0 | $ (44)
Effect of actual variances from expected experience |  | 27 | (100)
Adjusted balance at January 1 |  | 2,028 | 1,963
Interest accrual | 84 | 42 |
Excess Benefits | (417) | (205) |
Assessments | $ 371 | 93 |
Balance at end of period |  | 2,001 | 2,107
Net liability for future policy benefits |  | 1,958 | 2,001
Less: Reinsurance recoverable |  | 1,908 | 1,950
Net additional liability, after reinsurance recoverable |  | 50 | 51
Business Exited - Other |  |  |
Present Value of Expected Future Policy Benefits: |  |  |
Net liability for future policy benefits |  | 1,269 | 1,335
Other |  |  |
Present Value of Expected Future Policy Benefits: |  |  |
Net liability for future policy benefits |  | $ 912 | $ 795

X
- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from (increase) decrease in expected future policy benefit component of liability for future policy benefit from change in discount rate. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 13I -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-13I Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29E Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2 + Details
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- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from increase (decrease) in expected net premium component of liability for future policy benefit from change in discount rate. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 13I -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-13I Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29E Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2 + Details
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- Definition Amount, after effect of reinsurance, of liability for future policy benefit. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-6 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29E Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480016/944-40-65-2 + Details
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