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Derivative Financial Instruments - Schedule of Change in Fair Value of Derivative Instruments (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Call options |  |
Derivative [Line Items] |  |
Change in fair value of derivatives | $ 55 | $ (314)
Futures contracts |  |
Derivative [Line Items] |  |
Change in fair value of derivatives | 5 | 3
Foreign currency forwards |  |
Derivative [Line Items] |  |
Change in fair value of derivatives | (1) | 3
Other embedded derivatives |  |
Derivative [Line Items] |  |
Change in fair value of derivatives | 1 | (3)
Reinsurance related embedded derivatives |  |
Derivative [Line Items] |  |
Change in fair value of derivatives | (19) | 122
Total net investment gains (losses) |  |
Derivative [Line Items] |  |
Change in fair value of derivatives | 41 | (189)
FIA/ IUL embedded derivatives (decrease) increase |  |
Derivative [Line Items] |  |
Change in fair value of derivatives | $ 454 | $ (488)

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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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