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Financing: Debt Covenants (Details)	Dec. 31, 2023
Debt Instrument [Line Items]
Consolidated Indebtedness to Capitalization Ratio	0.58
Wyoming Electric
Debt Instrument [Line Items]
Consolidated Indebtedness to Capitalization Ratio	0.51
Maximum
Debt Instrument [Line Items]
Consolidated Indebtedness to Capitalization Ratio	0.65
Maximum | Wyoming Electric
Debt Instrument [Line Items]
Consolidated Indebtedness to Capitalization Ratio	0.6

X

- Definition

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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