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| 0000070145-24-000023.txt | 2024-08-01 07:58:43 | |
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| nfg-20240731.htm | 33430 | 2024-08-01 07:58:43 |
| nfg-20240731.xsd | 1994 | 2024-08-01 07:58:43 |
| nfg-20240731_htm.xml | 2713 | 2024-08-01 07:58:43 |
| nfg-20240731_lab.xml | 21885 | 2024-08-01 07:58:43 |
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