Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-157634-index-headers.html | 2021-05-11 16:30:32 | |
| 0001193125-21-157634-index.html | 2021-05-11 16:30:32 | |
| 0001193125-21-157634.txt | 2021-05-11 16:30:32 | |
 0001193125-21-157634-xbrl.zip | 9083 | 2021-05-11 16:30:32 |
| aa-20210506.xsd | 3088 | 2021-05-11 16:30:32 |
| aa-20210506_lab.xml | 18139 | 2021-05-11 16:30:32 |
| aa-20210506_pre.xml | 11422 | 2021-05-11 16:30:32 |
| d235092d8k.htm | 46791 | 2021-05-11 16:30:32 |
| d235092d8k_htm.xml | 3343 | 2021-05-11 16:30:32 |
| FilingSummary.xml | 1694 | 2021-05-11 16:30:32 |
| Financial_Report.xlsx | 5690 | 2021-05-11 16:30:32 |
| MetaLinks.json | 19026 | 2021-05-11 16:30:32 |
| R1.htm | 40157 | 2021-05-11 16:30:32 |
| report.css | 2766 | 2021-05-11 16:30:32 |
| Show.js | 1084 | 2021-05-11 16:30:32 |