0001039684 2026-08-28 2026-08-28 ONEOK INC /NEW/ false 0001039684 8-K 2026-08-28 OK 001-13643 73-1520922 100 West Fifth Street Tulsa OK 74103 (918) 588-7000 false false false false Common stock, par value of $0.01 OKE NYSE false