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Derivative Instruments - Maturity of the Notional Amounts of Derivative Financial Instruments (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Derivative [Line Items] |  |
Less Than 1 Year | $ 156,867 |
1 - 5 Years | 53,189 |
6 - 10 Years | 35,535 |
11 - 30 Years | 26,272 |
Over 30 Years | 2,712 |
Total | 274,575 | $ 324,318
Interest rate contracts |  |
Derivative [Line Items] |  |
Less Than 1 Year | 7,601 |
1 - 5 Years | 21,088 |
6 - 10 Years | 24,060 |
11 - 30 Years | 24,394 |
Over 30 Years | 598 |
Total | 77,741 |
Foreign currency contracts |  |
Derivative [Line Items] |  |
Less Than 1 Year | 191 |
1 - 5 Years | 1,226 |
6 - 10 Years | 1,782 |
11 - 30 Years | 1,870 |
Over 30 Years | 42 |
Total | 5,111 |
Equity market contracts |  |
Derivative [Line Items] |  |
Less Than 1 Year | 149,075 |
1 - 5 Years | 30,818 |
6 - 10 Years | 9,693 |
11 - 30 Years | 8 |
Over 30 Years | 2,072 |
Total | 191,666 |
Credit contracts |  |
Derivative [Line Items] |  |
Less Than 1 Year | 0 |
1 - 5 Years | 57 |
6 - 10 Years | 0 |
11 - 30 Years | 0 |
Over 30 Years | 0 |
Total | $ 57 |

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- Definition Total notional amounts of derivative financial instruments maturing in 11 - 30 years. + References No definition available. + Details
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- Definition Total notional amounts of derivative financial instruments maturing in 1 - 5 years. + References No definition available. + Details
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- Definition Total notional amounts of derivative financial instruments maturing in 6 - 10 years. + References No definition available. + Details
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- Definition Total notional amounts of derivative financial instruments maturing in less than 1 year. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A + Details
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