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 0000070145-20-000029-index-headers.html | 2020-11-06 08:45:14 | |
| 0000070145-20-000029-index.html | 2020-11-06 08:45:14 | |
| 0000070145-20-000029.txt | 2020-11-06 08:45:14 | |
 0000070145-20-000029-xbrl.zip | 79215 | 2020-11-06 08:45:14 |
 exhibit998kimagea151a.jpg | 38108 | 2020-11-06 08:45:14 |
| FilingSummary.xml | 1792 | 2020-11-06 08:45:14 |
| Financial_Report.xlsx | 5467 | 2020-11-06 08:45:14 |
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| nfg-20201105.htm | 40178 | 2020-11-06 08:45:14 |
| nfg-20201105.xsd | 2511 | 2020-11-06 08:45:14 |
| nfg-20201105_cal.xml | 792 | 2020-11-06 08:45:14 |
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| R1.htm | 38633 | 2020-11-06 08:45:14 |
| report.css | 2767 | 2020-11-06 08:45:14 |
| Show.js | 1085 | 2020-11-06 08:45:14 |