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v3.23.3

Reserve for Future Policy Benefits (Details) - USD ($) $ in Millions | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2021 | Dec. 31, 2020
Liabilities for Guarantees on Long-Duration Contracts [Line Items] |  |  |  |  |  |
Liability for Future Policy Benefit, before Reinsurance | $ 463 | $ 508 | $ 502 | $ 646 | $ 723 | $ 638
Life Conversions |  |  |  |  |  |
Liabilities for Guarantees on Long-Duration Contracts [Line Items] |  |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance | 46 | 47 | 47 | 58 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change | 105 | 114 | 112 | 152 |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax | (20) | (16) | (14) | 19 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance | 125 | 130 | 126 | 133 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  | 1 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  | 4 | 5 |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  | 131 | 138 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | 14 | 13 |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | (20) | (21) |  |  |  |
Liability for Future Policy Benefit, before Reinsurance | $ 59 | $ 67 |  |  |  | 94
Liability for Future Policy Benefit, Weighted-Average Duration | 11 years 4 months 24 days | 12 years |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance | $ 206 | $ 217 |  |  |  |
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance | $ 116 | $ 125 |  |  |  |
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate | 4.20% | 4.10% |  |  |  |
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate | 5.90% | 5.40% |  |  |  |
Paid Up Life |  |  |  |  |  |
Liabilities for Guarantees on Long-Duration Contracts [Line Items] |  |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change | $ 176 | $ 193 | 192 | 262 |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax | (44) | (41) | (39) | 14 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance | 220 | 234 | 231 | 248 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  | 0 | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  | (1) | 0 |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  | 230 | 248 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | 7 | 5 |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | (17) | (19) |  |  |  |
Liability for Future Policy Benefit, before Reinsurance | $ 176 | $ 193 |  |  |  | 267
Liability for Future Policy Benefit, Weighted-Average Duration | 6 years 1 month 6 days | 6 years 4 months 24 days |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance | $ 285 | $ 305 |  |  |  |
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance | $ 0 | $ 0 |  |  |  |
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate | 2.90% | 2.90% |  |  |  |
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate | 5.90% | 5.30% |  |  |  |
Deferred Profit Liability |  |  |  |  |  |
Liabilities for Guarantees on Long-Duration Contracts [Line Items] |  |  |  |  |  |
Liability for Future Policy Benefit, before Reinsurance | $ 20 | $ 19 |  |  |  | 0
Fixed Annuity |  |  |  |  |  |
Liabilities for Guarantees on Long-Duration Contracts [Line Items] |  |  |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change | 128 | 139 | 140 | 188 |  |
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax | (3) | 1 | 4 | 47 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance | 131 | 138 | 136 | 141 |  |
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change |  |  | (2) | 0 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience |  |  | 1 | 0 |  |
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change |  |  | $ 135 | $ 141 |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense | 5 | 6 |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment | (9) | (9) |  |  |  |
Liability for Future Policy Benefit, before Reinsurance | $ 128 | $ 139 |  |  |  | 189
Liability for Future Policy Benefit, Weighted-Average Duration | 9 years | 9 years 2 months 12 days |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance | $ 259 | $ 275 |  |  |  |
Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance | $ 0 | $ 0 |  |  |  |
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate | 5.60% | 5.60% |  |  |  |
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate | 5.90% | 5.50% |  |  |  |
Long-Duration Insurance, Other |  |  |  |  |  |
Liabilities for Guarantees on Long-Duration Contracts [Line Items] |  |  |  |  |  |
Liability for Future Policy Benefit, before Reinsurance | $ 80 | $ 90 |  |  |  | $ 88
Group Benefits |  |  |  |  |  |
Liabilities for Guarantees on Long-Duration Contracts [Line Items] |  |  |  |  |  |
Prior accident year development | (403) | (323) |  |  |  |
Group Benefits | Disability Insurance Policy [Member] |  |  |  |  |  |
Liabilities for Guarantees on Long-Duration Contracts [Line Items] |  |  |  |  |  |
Prior accident year development | $ 369 | $ 275 |  |  |  |

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/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 2: 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 Reference 3: 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 4: 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 + Details
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- Definition Current weighted-average discount rate used to measure liability for future policy benefit. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(6) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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- Definition Amount, before effect of reinsurance, of undiscounted balance for expected future gross premium component of liability for future policy benefit. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption and discount rate change, of expected future policy benefit and expense component of liability for future policy benefit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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 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/2003/role/disclosureRef -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 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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- Definition Amount of cumulative increase (decrease) in expected future policy benefit and expense component for liability of future policy benefit from cash flow assumption change for future cash flows. + References Reference 1: 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 2: 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 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 13I -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-13I Reference 4: 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 + Details
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- Definition Amount of cumulative increase (decrease) in expected future policy benefit and expense component for liability of future policy benefit from effect of variance from cash flow assumption change for actual experience. + References Reference 1: 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 2: 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 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 13I -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-13I Reference 4: 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 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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- Definition Amount of interest expense for expected future policy benefit and expense component of liability for future policy benefit. + References Reference 1: 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 2: 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 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 13I -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-13I Reference 4: 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 + Details
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