Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-25-335374-index-headers.html | 2025-12-29 16:18:20 | |
| 0001193125-25-335374-index.html | 2025-12-29 16:18:20 | |
| 0001193125-25-335374.txt | 2025-12-29 16:18:20 | |
 0001193125-25-335374-xbrl.zip | 10396 | 2025-12-29 16:18:20 |
| d98140d8k.htm | 26461 | 2025-12-29 16:18:20 |
| d98140d8k_htm.xml | 3528 | 2025-12-29 16:18:20 |
| d98140dex51.htm | 6418 | 2025-12-29 16:18:20 |
| FilingSummary.xml | 1715 | 2025-12-29 16:18:20 |
 g98140g09e12.jpg | 7522 | 2025-12-29 16:18:20 |
 g98140g1223085328912.jpg | 5786 | 2025-12-29 16:18:20 |
| MetaLinks.json | 18421 | 2025-12-29 16:18:20 |
| nfg-20251229.xsd | 2870 | 2025-12-29 16:18:20 |
| nfg-20251229_lab.xml | 17234 | 2025-12-29 16:18:20 |
| nfg-20251229_pre.xml | 10826 | 2025-12-29 16:18:20 |
| R1.htm | 38080 | 2025-12-29 16:18:20 |
| report.css | 2767 | 2025-12-29 16:18:20 |
| Show.js | 1085 | 2025-12-29 16:18:20 |