Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-082784-index-headers.html | 2021-03-16 16:06:02 | |
| 0001193125-21-082784-index.html | 2021-03-16 16:06:02 | |
| 0001193125-21-082784.txt | 2021-03-16 16:06:02 | |
 0001193125-21-082784-xbrl.zip | 11617 | 2021-03-16 16:06:02 |
| d228069d8k.htm | 28813 | 2021-03-16 16:06:02 |
| d228069d8k_htm.xml | 3274 | 2021-03-16 16:06:02 |
| d228069dex31.htm | 11654 | 2021-03-16 16:06:02 |
| FilingSummary.xml | 1730 | 2021-03-16 16:06:02 |
| Financial_Report.xlsx | 5453 | 2021-03-16 16:06:02 |
| MetaLinks.json | 18436 | 2021-03-16 16:06:02 |
| nfg-20210311.xsd | 3088 | 2021-03-16 16:06:02 |
| nfg-20210311_lab.xml | 17374 | 2021-03-16 16:06:02 |
| nfg-20210311_pre.xml | 10966 | 2021-03-16 16:06:02 |
| R1.htm | 38618 | 2021-03-16 16:06:02 |
| report.css | 2767 | 2021-03-16 16:06:02 |
| Show.js | 1084 | 2021-03-16 16:06:02 |