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Reinsurance (Effects of Reinsurance on Balance Sheet) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Assets |  |  |
Premiums, reinsurance and other receivables relating to variable interest entities | $ 17,461 | $ 17,149 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net | 22,983 | 16,061 | $ 16,389
Total assets | 40,444 | 33,210 |
Liabilities |  |  |
Future policy benefits | 204,228 | 199,721 |
Policyholder account balances | 203,082 | 203,473 |
Other policy-related balances | 19,651 | 17,751 |
Other liabilities | 25,980 | 22,538 |
Total liabilities | 452,941 | 443,483 |
Direct Reinsurance [Member] |  |  |
Assets |  |  |
Premiums, reinsurance and other receivables relating to variable interest entities | 5,481 | 4,929 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net | 22,889 | 16,151 |
Total assets | 28,370 | 21,080 |
Liabilities |  |  |
Future policy benefits | 200,355 | 195,915 |
Policyholder account balances | 203,013 | 203,391 |
Other policy-related balances | 18,472 | 16,380 |
Other liabilities | 18,700 | 15,519 |
Total liabilities | 440,540 | 431,205 |
Assumed Reinsurance [Member] |  |  |
Assets |  |  |
Premiums, reinsurance and other receivables relating to variable interest entities | 1,505 | 1,789 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net | 370 | 227 |
Total assets | 1,875 | 2,016 |
Liabilities |  |  |
Future policy benefits | 3,873 | 3,806 |
Policyholder account balances | 69 | 82 |
Other policy-related balances | 1,183 | 1,368 |
Other liabilities | 2,007 | 2,139 |
Total liabilities | 7,132 | 7,395 |
Ceded Reinsurance [Member] |  |  |
Assets |  |  |
Premiums, reinsurance and other receivables relating to variable interest entities | 10,475 | 10,431 |
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net | (276) | (317) |
Total assets | 10,199 | 10,114 |
Liabilities |  |  |
Future policy benefits | 0 | 0 |
Policyholder account balances | 0 | 0 |
Other policy-related balances | (4) | 3 |
Other liabilities | 5,273 | 4,880 |
Total liabilities | $ 5,269 | $ 4,883 |

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