Derivative Assets And Liabilities Table - Gross FV and Netting Offset (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 419	$ 688
Derivative Liability, Fair Value, Gross Liability	(449)	(549)
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	49	244
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	79	105
Derivative assets (liabilities)
Derivatives, Fair Value [Line Items]
Counterparty netting	(67)	(85)
Counterparty netting	67	85
Other current assets (liabilities)
Derivatives, Fair Value [Line Items]
Counterparty netting	(303)	(359)
Counterparty netting	303	359
Without offsetting agreements [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	14	0
Derivative Liability, Fair Value, Gross Liability	0	(23)
OTC Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	71	95
Derivative Liability, Fair Value, Gross Liability	(71)	(108)
Broker cleared derivative contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	334	593
Derivative Liability, Fair Value, Gross Liability	$ (378)	$ (418)

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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