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v3.23.3

Separate accounts (Liabilities) (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Separate Account, Liability, Surrender and Withdrawal [Abstract] |  |  |
Separate Account, Liability, Beginning Balance |  | $ 5,190 | $ 5,560
Acquisition of Cigna |  | 0 | 301
Separate Account, Liability, Premium and Deposit |  | 724 | 1,147
Separate Account, Liability, Policy Charge |  | (103) | (93)
Separate Account, Liability, Surrender and Withdrawal |  | (407) | (304)
Separate Account, Liability, Benefit Payment |  | (291) | (289)
Separate Account, Liability, Increase (Decrease) from Invested Performance |  | 382 | (978)
Separate Account, Liability, Increase (Decrease) from Other Change |  | (189) | (453)
Separate Account, Liability, Ending Balance |  | 5,306 | 4,891
Separate Account, Liability, Cash Surrender Value, Amount | [1] | $ 5,285 | $ 4,771
[1] | Cash surrender value represents the amount of the contract holder's account balances distributable at the balance sheet date less certain surrender charges.

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- Definition Amount of cash outflow to separate account policyholder from benefit payment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480078/944-80-55-18 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480109/944-80-50-2 + Details
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- Definition Amount of separate account liability payable to policyholder upon surrender of contract before maturity. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480078/944-80-55-18 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480109/944-80-50-2 + Details
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