XML 137 R92.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Commitments and Contingencies Marshall Wild Fire (Details) $ in Millions | Dec. 31, 2024 USD ($) complaint numberOfPlaintiffs
--- | ---
Guarantees and Product Warranties [Abstract] |
Estimated property losses caused by Marshall Wildfire | $ 2,000.0
Number of complaints related to the Marshall Wildfire | complaint | 307
Number of plaintiffs related to the Marshall Wildfire | numberOfPlaintiffs | 4,087
Cap of noneconomic loss in a civil action other than a medical malpractice under Colorado law | $ 0.6
Amount of insurance coverage | $ 500.0

X
- References No definition available. + Details
Name: | us-gaap_GuaranteesAndProductWarrantiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of insurance coverage + References No definition available. + Details
Name: | xel_AmountOfInsuranceCoverage
Namespace Prefix: | xel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Cap of noneconomic loss in a civil action other than a medical malpractice under Colorado law + References No definition available. + Details
Name: | xel_CapOfNoneconomicLossInACivilActionOtherThanAMedicalMalpracticeUnderColoradoLaw
Namespace Prefix: | xel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Estimated property losses caused by Marshall Wildfire + References No definition available. + Details
Name: | xel_EstimatedPropertyLossesCausedByMarshallWildfire
Namespace Prefix: | xel_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of complaints related to the Marshall Wildfire + References No definition available. + Details
Name: | xel_NumberOfComplaintsRelatedToTheMarshallWildfire
Namespace Prefix: | xel_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of plaintiffs related to the Marshall Wildfire + References No definition available. + Details
Name: | xel_NumberOfPlaintiffsRelatedToTheMarshallWildfire
Namespace Prefix: | xel_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant