MNPUC (Details 2) $ in Millions	Sep. 01, 2021 USD ($)
MNPUC [Member] \| Gas Distribution [Member] \| Great Plains Natural Gas Co. [Member] \| Pending Rate Case [Member]
Public Utilities, General Disclosures [Line Items]
Public Utilities, Requested Rate Increase (Decrease), Amount	$ 8.8

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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