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 0001193125-20-132409-index-headers.html | 2020-05-04 16:16:53 | |
| 0001193125-20-132409-index.html | 2020-05-04 16:16:53 | |
| 0001193125-20-132409.txt | 2020-05-04 16:16:53 | |
 0001193125-20-132409-xbrl.zip | 286023 | 2020-05-04 16:16:53 |
| d924908d8k.htm | 48015 | 2020-05-04 16:16:53 |
| d924908d8k_htm.xml | 3274 | 2020-05-04 16:16:53 |
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| FilingSummary.xml | 1801 | 2020-05-04 16:16:53 |
| Financial_Report.xlsx | 5784 | 2020-05-04 16:16:53 |
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| nfg-20200504.xsd | 3087 | 2020-05-04 16:16:53 |
| nfg-20200504_lab.xml | 17373 | 2020-05-04 16:16:53 |
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| R1.htm | 38613 | 2020-05-04 16:16:53 |
| report.css | 2767 | 2020-05-04 16:16:53 |
| Show.js | 1085 | 2020-05-04 16:16:53 |