Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-22-276974-index-headers.html | 2022-11-03 16:50:50 | |
| 0001193125-22-276974-index.html | 2022-11-03 16:50:50 | |
| 0001193125-22-276974.txt | 2022-11-03 16:50:50 | |
 0001193125-22-276974-xbrl.zip | 33723 | 2022-11-03 16:50:50 |
| d277413d8k.htm | 30961 | 2022-11-03 16:50:50 |
| d277413d8k_htm.xml | 3268 | 2022-11-03 16:50:50 |
| d277413dex99.htm | 85733 | 2022-11-03 16:50:50 |
| FilingSummary.xml | 1949 | 2022-11-03 16:50:50 |
| Financial_Report.xlsx | 5697 | 2022-11-03 16:50:50 |
 g277413ex99p10g1.jpg | 515983 | 2022-11-03 16:50:50 |
 g277413ex99p11g1.jpg | 350319 | 2022-11-03 16:50:50 |
 g277413ex99p12g1.jpg | 111149 | 2022-11-03 16:50:50 |
 g277413ex99p13g1.jpg | 276470 | 2022-11-03 16:50:50 |
 g277413ex99p14g1.jpg | 438191 | 2022-11-03 16:50:50 |
 g277413ex99p15g1.jpg | 420572 | 2022-11-03 16:50:50 |
 g277413ex99p16g1.jpg | 139668 | 2022-11-03 16:50:50 |
 g277413ex99p17g1.jpg | 402647 | 2022-11-03 16:50:50 |
 g277413ex99p18g1.jpg | 516399 | 2022-11-03 16:50:50 |
 g277413ex99p19g1.jpg | 435268 | 2022-11-03 16:50:50 |
 g277413ex99p1g1.jpg | 148080 | 2022-11-03 16:50:50 |
 g277413ex99p20g1.jpg | 495708 | 2022-11-03 16:50:50 |
 g277413ex99p21g1.jpg | 483922 | 2022-11-03 16:50:50 |
 g277413ex99p22g1.jpg | 345830 | 2022-11-03 16:50:50 |
 g277413ex99p23g1.jpg | 333971 | 2022-11-03 16:50:50 |
 g277413ex99p24g1.jpg | 333866 | 2022-11-03 16:50:50 |
 g277413ex99p25g1.jpg | 474975 | 2022-11-03 16:50:50 |
 g277413ex99p26g1.jpg | 361826 | 2022-11-03 16:50:50 |
 g277413ex99p27g1.jpg | 333236 | 2022-11-03 16:50:50 |
 g277413ex99p28g1.jpg | 293567 | 2022-11-03 16:50:50 |
 g277413ex99p29g1.jpg | 380647 | 2022-11-03 16:50:50 |
 g277413ex99p2g1.jpg | 508031 | 2022-11-03 16:50:50 |
 g277413ex99p30g1.jpg | 270978 | 2022-11-03 16:50:50 |
 g277413ex99p31g1.jpg | 304137 | 2022-11-03 16:50:50 |
 g277413ex99p32g1.jpg | 388099 | 2022-11-03 16:50:50 |
 g277413ex99p33g1.jpg | 108991 | 2022-11-03 16:50:50 |
 g277413ex99p34g1.jpg | 435182 | 2022-11-03 16:50:50 |
 g277413ex99p35g1.jpg | 523793 | 2022-11-03 16:50:50 |
 g277413ex99p36g1.jpg | 382457 | 2022-11-03 16:50:50 |
 g277413ex99p37g1.jpg | 392602 | 2022-11-03 16:50:50 |
 g277413ex99p38g1.jpg | 209685 | 2022-11-03 16:50:50 |
 g277413ex99p39g1.jpg | 83926 | 2022-11-03 16:50:50 |
 g277413ex99p3g1.jpg | 469210 | 2022-11-03 16:50:50 |
 g277413ex99p40g1.jpg | 298677 | 2022-11-03 16:50:50 |
 g277413ex99p41g1.jpg | 348631 | 2022-11-03 16:50:50 |
 g277413ex99p42g1.jpg | 300963 | 2022-11-03 16:50:50 |
 g277413ex99p43g1.jpg | 259321 | 2022-11-03 16:50:50 |
 g277413ex99p44g1.jpg | 450209 | 2022-11-03 16:50:50 |
 g277413ex99p45g1.jpg | 485834 | 2022-11-03 16:50:50 |
 g277413ex99p46g1.jpg | 67455 | 2022-11-03 16:50:50 |
 g277413ex99p47g1.jpg | 286684 | 2022-11-03 16:50:50 |
 g277413ex99p48g1.jpg | 287944 | 2022-11-03 16:50:50 |
 g277413ex99p49g1.jpg | 359365 | 2022-11-03 16:50:50 |
 g277413ex99p4g1.jpg | 287663 | 2022-11-03 16:50:50 |
 g277413ex99p50g1.jpg | 42213 | 2022-11-03 16:50:50 |
 g277413ex99p51g1.jpg | 999788 | 2022-11-03 16:50:50 |
 g277413ex99p52g1.jpg | 191219 | 2022-11-03 16:50:50 |
 g277413ex99p53g1.jpg | 380294 | 2022-11-03 16:50:50 |
 g277413ex99p54g1.jpg | 405224 | 2022-11-03 16:50:50 |
 g277413ex99p55g1.jpg | 421498 | 2022-11-03 16:50:50 |
 g277413ex99p56g1.jpg | 450956 | 2022-11-03 16:50:50 |
 g277413ex99p57g1.jpg | 383423 | 2022-11-03 16:50:50 |
 g277413ex99p58g1.jpg | 388163 | 2022-11-03 16:50:50 |
 g277413ex99p59g1.jpg | 402587 | 2022-11-03 16:50:50 |
 g277413ex99p5g1.jpg | 473713 | 2022-11-03 16:50:50 |
 g277413ex99p60g1.jpg | 299853 | 2022-11-03 16:50:50 |
 g277413ex99p6g1.jpg | 401658 | 2022-11-03 16:50:50 |
 g277413ex99p7g1.jpg | 449815 | 2022-11-03 16:50:50 |
 g277413ex99p8g1.jpg | 436756 | 2022-11-03 16:50:50 |
 g277413ex99p9g1.jpg | 228853 | 2022-11-03 16:50:50 |
| MetaLinks.json | 17896 | 2022-11-03 16:50:50 |
| nfg-20221103.xsd | 2879 | 2022-11-03 16:50:50 |
| nfg-20221103_lab.xml | 17237 | 2022-11-03 16:50:50 |
| nfg-20221103_pre.xml | 10829 | 2022-11-03 16:50:50 |
| R1.htm | 38108 | 2022-11-03 16:50:50 |
| report.css | 2767 | 2022-11-03 16:50:50 |
| Show.js | 1085 | 2022-11-03 16:50:50 |