OKE Oneok

Document and Entity Information

Document and Entity Information DocumentFeb. 17, 2021
Document Information [Line Items]
Document Type8-K
Document Period End DateFeb. 17,
Entity Registrant NameONEOK, Inc.
Entity Incorporation, State or Country CodeOK
Entity File Number001-13643
Entity Tax Identification Number73-1520922
Entity Address, Address Line One100 West Fifth Street
Entity Address, City or TownTulsa
Entity Address, State or ProvinceOK
Entity Address, Postal Zip Code74103
City Area Code918
Local Phone Number588-7000
Written Communicationsfalse
Soliciting Materialfalse
Pre-commencement Tender Offerfalse
Pre-commencement Issuer Tender Offerfalse
Title of 12(b) SecurityCommon stock, par value of $0.01
Trading SymbolOKE
Security Exchange NameNYSE
Entity Emerging Growth Companyfalse
Entity Central Index Key0001039684
Amendment Flagfalse