Risk Management, Derivative Instruments and Hedging Activities - Effect of Netting (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Assets, Gross Derivative Instruments	$ 286	$ 295
Assets, Eligible for Offset	(246)	(198)
Assets, Net Derivative Instruments	40	97
Assets, Collateral (Posted) Received	0	(2)
Assets, Net Amounts	40	95
Liabilities, Gross Derivative Instruments	332	300
Liabilities, Eligible for Offset	(246)	(198)
Liabilities, Net Derivative Instruments	86	102
Liabilities, Collateral (Posted) Received	(22)	(59)
Liabilities, Net Amounts	$ 64	$ 43

Fair value, after effect of master netting arrangement, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Includes derivative subject to master netting arrangement not elected or qualified to offset. Excludes derivative not subject to master netting arrangement or similar agreement.

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-SubTopic 20
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-Section 50
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Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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