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Policyholder Account Balances (Account Balances) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Policyholder Account Balance [Line Items] |  |  |
Policyholder Account Balance | $ 23,490 | $ 24,010 |
Interest credited | 864 | 682 | $ 700
Policyholder Account Balance, Increase (Decrease) from Other Change | 50 | 70 |
Life Insurance Product Line [Member] | Americas [Member] | Other Segments |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder Account Balance | 1,612 | 1,683 | 1,719
Policyholder Account Balance, Issuance | 21 | 24 |
Policyholder Account Balance, Policy Charge | (31) | (32) |
Policyholder Account Balance, Surrender and Withdrawal | (15) | (17) |
Policyholder Account Balance, Benefit Payment | (113) | (76) |
Interest credited | 67 | 65 |
Policyholder Account Balance Foreign Currency Translation | 0 | 0 |
Policyholder Account Balance Reinsurance Recoverable | 0 | 0 |
Policyholder Account Balance After Reinsurance | $ 1,612 | $ 1,683 |
Policyholder Account Balance, Weighted Average Crediting Rate | 4.40% | 4.00% |
Policyholder Account Balance, Net Amount at Risk | $ 671 | $ 657 |
Policyholder Account Balance, Cash Surrender Value | 1,606 | 1,676 |
Insurance, Other [Member] | Americas [Member] | Other Segments |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder Account Balance | 17,838 | 18,906 | 18,758
Policyholder Account Balance, Issuance | 919 | 1,289 |
Policyholder Account Balance, Policy Charge | (45) | (33) |
Policyholder Account Balance, Surrender and Withdrawal | (2,045) | (1,258) |
Policyholder Account Balance, Benefit Payment | (471) | (448) |
Interest credited | 574 | 598 |
Policyholder Account Balance Foreign Currency Translation | 0 | 0 |
Policyholder Account Balance Reinsurance Recoverable | (3,065) | (1,543) |
Policyholder Account Balance After Reinsurance | $ 14,773 | $ 17,363 |
Policyholder Account Balance, Weighted Average Crediting Rate | 3.40% | 3.30% |
Policyholder Account Balance, Net Amount at Risk | $ 7,049 | $ 2,490 |
Policyholder Account Balance, Cash Surrender Value | 17,707 | 18,852 |
Insurance, Other [Member] | Asia Pacific [Member] | Other Segments |  |  |
Policyholder Account Balance [Line Items] |  |  |
Policyholder Account Balance | 3,990 | 3,351 | $ 1,621
Policyholder Account Balance, Issuance | 889 | 2,521 |
Policyholder Account Balance, Policy Charge | (10) | (134) |
Policyholder Account Balance, Surrender and Withdrawal | (137) | (639) |
Policyholder Account Balance, Benefit Payment | (208) | (46) |
Interest credited | 106 | 51 |
Policyholder Account Balance Foreign Currency Translation | (1) | (23) |
Policyholder Account Balance Reinsurance Recoverable | 0 | 0 |
Policyholder Account Balance After Reinsurance | $ 3,990 | $ 3,351 |
Policyholder Account Balance, Weighted Average Crediting Rate | 3.00% | 2.70% |
Policyholder Account Balance, Net Amount at Risk | $ 0 | $ 0 |
Policyholder Account Balance, Cash Surrender Value | $ 3,314 | $ 2,743 |

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- Definition Amount of cash to be paid to policyholder upon termination and surrender of long-duration contract issued by insurance entity. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29F -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29F Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-7A + Details
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