Accounting Policies - Derivatives (Details 11) - MMBTU	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Commodity Contract [Member] \| Not Designated as Hedging Instrument, Economic Hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Nonmonetary Notional Amount, Energy Measure	0	450,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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