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Derivatives (Credit Risk on Freestanding Derivatives) (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Credit Derivatives [Line Items] |  |
Estimated fair value of derivatives in a net liability position (1) | $ 3,172 | $ 2,447
Derivative, Collateral, Right to Reclaim Cash | 99 | 98
Derivative Asset, Fair Value, Amount Not Offset Against Collateral | 8,534 | 8,918
Derivative Liability, Fair Value, Amount Not Offset Against Collateral | 7,071 | 6,307
Derivative Asset, Fair Value, Amount Offset Against Collateral | 84 | 183
Derivative Liability, Fair Value, Amount Offset Against Collateral | 14 | 19
Derivative assets | 8,291 | 8,737
Derivative liabilities | 6,985 | 6,298
Derivative, Collateral, Obligation to Return Cash | 35 | 163
Customer Securities for which Entity has Right to Sell or Repledge, Fair Value of Securities Sold or Repledged | 0 |
Collateral Amount Not Provided Due to Downgrade Threshold | 15 |
Exchange Traded [Member] |  |
Credit Derivatives [Line Items] |  |
Derivative, Collateral, Right to Reclaim Securities | 154 | 137
Gross estimated fair value of derivative assets | 6 | 11
Gross estimated fair value of derivative liabilities | 7 | 16
Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset | (1) | (1)
Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset | (1) | (1)
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset | 0 | 0
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset | (6) | (5)
Derivative Asset, Collateral, Obligation to Return Securities, Offset | 0 | 0
Derivative Liability, Collateral, Right to Reclaim Securities, Offset | 0 | (10)
Over the Counter [Member] |  |
Credit Derivatives [Line Items] |  |
Derivative, Collateral, Right to Reclaim Securities | 1,400 | 1,500
Gross estimated fair value of derivative assets | 8,347 | 8,749
Gross estimated fair value of derivative liabilities | 6,834 | 6,014
Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset | (3,661) | (3,568)
Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset | (3,661) | (3,568)
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset | (3,195) | (3,448)
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset | 0 | 0
Derivative Asset, Collateral, Obligation to Return Securities, Offset | (1,416) | (1,563)
Derivative Liability, Collateral, Right to Reclaim Securities, Offset | (3,160) | (2,427)
Derivative, Collateral, Obligation to Return Securities | 324 | 298
Exchange Cleared [Member] |  |
Credit Derivatives [Line Items] |  |
Derivative, Collateral, Right to Reclaim Securities | 901 | 945
Gross estimated fair value of derivative assets | 181 | 158
Gross estimated fair value of derivative liabilities | 230 | 277
Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset | (1) | (5)
Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset | (1) | (5)
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset | (176) | (150)
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset | (213) | (239)
Derivative Asset, Collateral, Obligation to Return Securities, Offset | 0 | 0
Derivative Liability, Collateral, Right to Reclaim Securities, Offset | (15) | (33)
Fixed maturity securities AFS |  |
Credit Derivatives [Line Items] |  |
Estimated fair value of collateral provided: | 3,870 | 3,017
Accrued Liabilities [Member] |  |
Credit Derivatives [Line Items] |  |
Derivative assets | 243 | 181
Derivative liabilities | 86 | 9
Derivatives Subject to Credit- Contingent Provisions |  |
Credit Derivatives [Line Items] |  |
Estimated fair value of derivatives in a net liability position (1) | 3,079 | 2,443
Derivatives Subject to Credit- Contingent Provisions | Fixed maturity securities AFS |  |
Credit Derivatives [Line Items] |  |
Estimated fair value of collateral provided: | 3,774 | 3,011
Derivatives Not Subject to Credit- Contingent Provisions |  |
Credit Derivatives [Line Items] |  |
Estimated fair value of derivatives in a net liability position (1) | 93 | 4
Derivatives Not Subject to Credit- Contingent Provisions | Fixed maturity securities AFS |  |
Credit Derivatives [Line Items] |  |
Estimated fair value of collateral provided: | $ 96 | $ 6

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- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4H + Details
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