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COMMITMENTS AND CONTINGENCIES (Details) | 6 Months Ended
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Jun. 30, 2024 individual action
Commitments and Contingencies Disclosure [Abstract] |
Number of actions | action | 3
Number of individuals | individual | 7

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- Definition Loss Contingency, Number Of Actions + References No definition available. + Details
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Namespace Prefix: | oke_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Number Of Individuals That Filed Claims + References No definition available. + Details
Name: | oke_LossContingencyNumberOfIndividualsThatFiledClaims
Namespace Prefix: | oke_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration