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Derivatives - Non-qualifying Strategies (Details) - Not Designated as Hedging Instrument - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Non-qualifying foreign currency derivatives | $ (6) | $ (39) | $ (8) | $ (34)
Interest rate swaps and futures |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Non-qualifying foreign currency derivatives | (6) | (3) | (3) | 18
Credit derivatives that assume credit risk | Credit derivatives that purchase credit protection |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Non-qualifying foreign currency derivatives | 0 | (36) | 0 | (52)
Equity Option [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Non-qualifying foreign currency derivatives | $ 0 | $ 0 | $ (5) | $ 0

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + 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 No definition available. + Details
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