Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-092655-index-headers.html | 2021-03-24 16:23:55 | |
| 0001193125-21-092655-index.html | 2021-03-24 16:23:55 | |
| 0001193125-21-092655.txt | 2021-03-24 16:23:55 | |
 0001193125-21-092655-xbrl.zip | 121641 | 2021-03-24 16:23:55 |
| aa-20210324.xsd | 3043 | 2021-03-24 16:23:55 |
| aa-20210324_lab.xml | 18139 | 2021-03-24 16:23:55 |
| aa-20210324_pre.xml | 11392 | 2021-03-24 16:23:55 |
| d137583d8k.htm | 30035 | 2021-03-24 16:23:55 |
| d137583d8k_htm.xml | 3341 | 2021-03-24 16:23:55 |
| d137583dex41.htm | 748998 | 2021-03-24 16:23:55 |
| d137583dex991.htm | 8322 | 2021-03-24 16:23:55 |
| FilingSummary.xml | 1748 | 2021-03-24 16:23:55 |
| Financial_Report.xlsx | 5686 | 2021-03-24 16:23:55 |
 g137583g0323094810679.jpg | 1994 | 2021-03-24 16:23:55 |
| MetaLinks.json | 18651 | 2021-03-24 16:23:55 |
| R1.htm | 40156 | 2021-03-24 16:23:55 |
| report.css | 2767 | 2021-03-24 16:23:55 |
| Show.js | 1085 | 2021-03-24 16:23:55 |