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Derivatives - Fair Value Hedges - Non-qualifying Strategies (Details) - Not Designated as Hedging Instrument - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | $ 46 | $ 12 | $ 104
Interest rate swaps, swaptions and futures |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | 25 | 3 | 21
Credit derivatives | Credit derivatives that purchase credit protection |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | 4 | 0 | 2
Credit derivatives | Credit derivatives that assume credit risk |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | 0 | 7 | 2
Equity index swaps and options |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | (2) | 0 | 76
Foreign Exchange Forward [Member] |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | 5 | 2 | 3
Commodity Option |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |
Derivative, Gain (Loss) on Derivative, Net | $ 14 | $ 0 | $ 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 -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + 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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