0000107263 2026-05-20 2026-05-20 0000107263 wmb:TranscontinentalGasPipeLineCompanyLlcMember 2026-05-20 2026-05-20 0000107263 wmb:NorthwestPipelineLlcMember 2026-05-20 2026-05-20 WILLIAMS COMPANIES, INC. 0000107263 0000099250 0000110019 false 8-K 2026-05-20 DE 001-04174 73-0569878 One Williams Center Tulsa OK 74172 800 945-5426 false false false false Common Stock, $1.00 par value WMB NYSE false Northwest Pipeline LLC DE 001-07414 26-1157701 One Williams Center Tulsa OK 74172 800 945-5426 false false false false false Transcontinental Gas Pipe Line Company, LLC DE 001-07584 74-1079400 2800 Post Oak Boulevard Houston TX 77056 713 215-2000 false false false false false