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v3.23.2

Separate accounts (Liabilities) (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Separate Account, Liability, Surrender and Withdrawal [Abstract] |  |  |
Separate Account, Liability, Beginning Balance |  | $ 5,190 | $ 5,560
Separate Account, Liability, Premium and Deposit |  | 517 | 796
Separate Account, Liability, Policy Charge |  | (70) | (60)
Separate Account, Liability, Surrender and Withdrawal |  | (246) | (196)
Separate Account, Liability, Benefit Payment |  | (193) | (193)
Separate Account, Liability, Increase (Decrease) from Invested Performance |  | 361 | (936)
Separate Account, Liability, Increase (Decrease) from Other Change |  | 15 | (146)
Separate Account, Liability, Ending Balance |  | 5,574 | 4,825
Separate Account, Liability, Cash Surrender Value, Amount | [1] | $ 5,369 | $ 4,625
[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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- Definition Amount of increase (decrease) in separate account liability from performance of investment. + 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 cash inflow to separate account liability from premium and deposit from cash received. + 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 liability for variable contract in which all or portion of contract holder's funds is allocated to specific separate account and supported by assets held in separate account. + 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 (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480109/944-80-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480141/944-80-45-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(18)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480109/944-80-50-2 + Details
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