Schedule I - Short-Term Notes Payable to Related Parties (Details) - WEC Energy Group - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Notes to parent company financial statements
Short-term notes payable to related parties	$ 332.5	$ 220.4
Integrys
Notes to parent company financial statements
Short-term notes payable to related parties	115.0	5.3
WBS
Notes to parent company financial statements
Short-term notes payable to related parties	111.0	107.7
WECC
Notes to parent company financial statements
Short-term notes payable to related parties	$ 106.5	$ 107.4

The amount for notes payable (written promise to pay), due to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Balance Type:	credit
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