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Commitments and Contingencies - The Clean Air Act (Details) - Clean Air Act related to Regional Haze	Dec. 31, 2021 T	Dec. 31, 1999 state
Public Utilities, General Disclosures [Line Items]
Number of states to address regional haze | state		50
Potential to emit tons per year of visibility impairing pollution, maximum (in tons) | T	250

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Public Utilities, Number of States To Address Regional Haze

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Public Utilities, Potential To Emit Tons Per Year Of Visibility Impairing Pollution, Maximum

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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.

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