SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES CASH AND CASH EQUIVALENTS (Details)	12 Months Ended
Dec. 31, 2022
Accounting Policies [Abstract]
Maximum term of original maturity to classify instrument as cash equivalents	3 months

Maximum term of original maturity to classify an instrument as a cash equivalent.

No definition available.

Name:	wps_MaximumTermOfOriginalMaturityToClassifyInstrumentAsCashEquivalent
Namespace Prefix:	wps_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration