0000070145 2026-10-01 2026-10-01 NATIONAL FUEL GAS CO false 0000070145 8-K 2026-10-01 NJ 1-3880 13-1086010 6363 Main Street Williamsville NY 14221 (716) 857-7000 false false false false Common Stock, par value $1.00 per share NFG NYSE false