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Derivative Financial Instruments (Details 3) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Fair values of derivatives on consolidated balance sheets
Cash collateral on deposit with derivative counterparties	$ 0	$ 0
Aggregate fair value of the derivative instruments with credit risk related contingent features in a net liability position	73,000,000	31,000,000
Cash collateral on deposit with derivative counterparties	0	0
Derivatives not designated as cash flow hedges
Fair values of derivatives on consolidated balance sheets
Derivative assets	12,000,000	16,000,000
Derivative Liability	(85,000,000)	(47,000,000)
Cash collateral on deposit with derivative counterparties	0	0
Cash collateral on deposit with derivative counterparties	0	0
Derivatives not designated as cash flow hedges | Natural gas derivatives
Fair values of derivatives on consolidated balance sheets
Derivative assets	12,000,000	16,000,000
Derivative Liability	$ 85,000,000	$ 47,000,000

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- Definition

Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

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- Definition

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, after the effects of master netting arrangements, of a financial liability or 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 liabilities not subject to a master netting arrangement and not elected to be offset.

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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.

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No definition available.

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