Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-121099-index-headers.html | 2020-04-27 16:56:10 | |
| 0001193125-20-121099-index.html | 2020-04-27 16:56:10 | |
| 0001193125-20-121099.txt | 2020-04-27 16:56:10 | |
 0001193125-20-121099-xbrl.zip | 30725 | 2020-04-27 16:56:10 |
| d911596d8k.htm | 28785 | 2020-04-27 16:56:10 |
| d911596d8k_htm.xml | 3424 | 2020-04-27 16:56:10 |
| d911596dex31.htm | 115933 | 2020-04-27 16:56:10 |
| FilingSummary.xml | 1721 | 2020-04-27 16:56:10 |
| Financial_Report.xlsx | 5812 | 2020-04-27 16:56:10 |
| MetaLinks.json | 18744 | 2020-04-27 16:56:10 |
| ogs-20200427.xsd | 3061 | 2020-04-27 16:56:10 |
| ogs-20200427_lab.xml | 18125 | 2020-04-27 16:56:10 |
| ogs-20200427_pre.xml | 11400 | 2020-04-27 16:56:10 |
| R1.htm | 40143 | 2020-04-27 16:56:10 |
| report.css | 2766 | 2020-04-27 16:56:10 |
| Show.js | 1085 | 2020-04-27 16:56:10 |