Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-25-144734-index-headers.html | 2025-06-23 17:13:33 | |
| 0001193125-25-144734-index.html | 2025-06-23 17:13:33 | |
| 0001193125-25-144734.txt | 2025-06-23 17:13:33 | |
 0001193125-25-144734-xbrl.zip | 5841 | 2025-06-23 17:13:33 |
| d912182dex201.htm | 37683 | 2025-06-23 17:13:33 |
| d912182dex201_htm.xml | 10255 | 2025-06-23 17:13:33 |
| d912182dsd.htm | 12309 | 2025-06-23 17:13:33 |
| FilingSummary.xml | 3556 | 2025-06-23 17:13:33 |
| MetaLinks.json | 29376 | 2025-06-23 17:13:33 |
| nfg-20240930.xsd | 12106 | 2025-06-23 17:13:33 |
| R1.htm | 13770 | 2025-06-23 17:13:33 |
| R2.htm | 1786 | 2025-06-23 17:13:33 |
| R3.htm | 1785 | 2025-06-23 17:13:33 |
| R4.htm | 6061 | 2025-06-23 17:13:33 |
| R5.htm | 4020 | 2025-06-23 17:13:33 |
| report.css | 2767 | 2025-06-23 17:13:33 |
| Show.js | 1085 | 2025-06-23 17:13:33 |