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Financial Instruments - Derivatives Not Designated as Hedging, Fair Value Table (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Unrealized Gain On Derivative Contracts |  | $ 22 | $ 64
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | [1] | Unrealized Gain On Derivative Contracts | Unrealized Gain On Derivative Contracts
Derivative contracts, at fair value (liability) |  | $ 756 | $ 979
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | [1] | Accrued Liabilities | Accrued Liabilities
Investment Segment |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Collateral for derivative positions |  | $ 1,500 | $ 1,700
Investment Segment | Not designated as hedging instrument |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Derivative contracts, at fair value (liability) | [1] | 756 | 979
Investment Segment | Not designated as hedging instrument | Other assets |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Asset derivatives, Gross |  | 121 | 64
Derivative, Fair Value, Amount Offset Against Collateral, Net | [1] | (103) | (25)
Unrealized Gain On Derivative Contracts | [1] | 18 | 39
Investment Segment | Not designated as hedging instrument | Accrued expenses and other liabilities |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Liability derivatives, Gross |  | 859 | 1,004
Derivative, Fair Value, Amount Offset Against Collateral, Net | [1] | (103) | (25)
Investment Segment | Not designated as hedging instrument | Equity contracts | Other assets |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Asset derivatives, Gross |  | 81 | 11
Investment Segment | Not designated as hedging instrument | Equity contracts | Accrued expenses and other liabilities |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Liability derivatives, Gross |  | 853 | 999
Investment Segment | Not designated as hedging instrument | Credit contracts | Other assets |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Asset derivatives, Gross |  | 18 | 39
Investment Segment | Not designated as hedging instrument | Credit contracts | Accrued expenses and other liabilities |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Liability derivatives, Gross |  | 6 | 2
Investment Segment | Not designated as hedging instrument | Commodity contracts | Other assets |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Asset derivatives, Gross |  | 22 | 14
Investment Segment | Not designated as hedging instrument | Commodity contracts | Accrued expenses and other liabilities |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Liability derivatives, Gross |  |  | 3
Energy Segment |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Asset derivatives, Gross |  | (13) | (6)
Liability derivatives, Gross |  | (13) | (6)
Energy Segment | Commodity contracts |  |  |
Derivatives Not Designated as Hedging Instruments, Fair Value |  |  |
Asset derivatives, Gross |  | 17 | 31
Liability derivatives, Gross |  | $ 13 | $ 6
[1] | Excludes netting of cash collateral received and posted. The total collateral posted at December 31, 2024 and 2023 was $1.5 billion and $1.7 billion, respectively, across all counterparties, which are included in cash held at consolidated affiliated partnerships and restricted cash in the consolidated balance sheets.

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