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v3.23.3

Future Policy Benefit Reserves - Summary of Balances and Changes (Details) - USD ($) $ in Millions | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Present value of future net premiums |  |  |  |  |  |
Balance, January 1 | $ 3,993 | $ 4,735 |  |  |  |
Effect of changes in discount rate | 67 | (40) | $ (74) |  | $ (880) |
Balance, January 1, at original locked in discount rate | 3,919 | 3,855 |  |  |  |
Effect of changes in cash flow assumptions |  |  | 28 |  | 352 |
Expect of actual variances from expected experience |  |  | (112) |  | (40) |
Adjusted balance, January 1 |  |  | 3,835 |  | 4,167 |
Interest accrual | 153 | 161 |  |  |  |
Net premiums: earned during period | (332) | (341) |  |  |  |
Balance, end of period at original locked in discount rate | 3,656 | 3,987 |  |  |  |
Effect of changes in discount rate | (67) | 40 | 74 |  | 880 |
Balance, September 30 | 3,589 | 4,027 |  |  |  |
Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward] |  |  |  |  |  |
Balance, January 1 | 17,472 | 22,745 |  |  |  |
Effect of changes in discount rate | 873 | 134 | (125) |  | (5,942) |
Balance, January 1, at original locked in discount rate | 17,347 | 16,803 |  |  |  |
Effect of change in cash flow assumptions |  |  | 36 |  | 538 |
Effect of actual variances from expected experience |  |  | (45) |  | (21) |
Adjusted balance, January 1 |  |  | 17,338 |  | 17,320 |
Interest accrual | 723 | 730 |  |  |  |
Benefit & expense payments | (945) | (708) |  |  |  |
Balance, end of period at original locked in discount rate | 17,116 | 17,342 |  |  |  |
Effect of changes in discount rate | (873) | (134) | 125 |  | $ 5,942 |
Balance, September 30 | 16,243 | 17,208 |  |  |  |
Net LFPB, September 30 | $ 12,654 | $ 13,181 | $ 13,480 | [1] |  | $ 19,132
[1] | As of January 1, 2023, the Company adopted ASU 2018-12 using the modified retrospective method applied as of the transition date of January 1, 2021. Prior period amounts in the financial statements have been adjusted to reflect application of the new guidance. See Note A to the Condensed Consolidated Financial Statements for additional information.

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- 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 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/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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