Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-100560-index-headers.html | 2020-04-07 17:16:11 | |
| 0001193125-20-100560-index.html | 2020-04-07 17:16:11 | |
| 0001193125-20-100560.txt | 2020-04-07 17:16:11 | |
 0001193125-20-100560-xbrl.zip | 102143 | 2020-04-07 17:16:11 |
| d834163d8k.htm | 35372 | 2020-04-07 17:16:11 |
| d834163d8k_htm.xml | 3217 | 2020-04-07 17:16:11 |
| d834163dex101.htm | 527537 | 2020-04-07 17:16:11 |
| FilingSummary.xml | 1722 | 2020-04-07 17:16:11 |
| Financial_Report.xlsx | 5782 | 2020-04-07 17:16:11 |
| MetaLinks.json | 18162 | 2020-04-07 17:16:11 |
| ogs-20200407.xsd | 3059 | 2020-04-07 17:16:11 |
| ogs-20200407_lab.xml | 17372 | 2020-04-07 17:16:11 |
| ogs-20200407_pre.xml | 10946 | 2020-04-07 17:16:11 |
| R1.htm | 38607 | 2020-04-07 17:16:11 |
| report.css | 2767 | 2020-04-07 17:16:11 |
| Show.js | 1085 | 2020-04-07 17:16:11 |