Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-292381-index-headers.html | 2021-10-05 20:32:05 | |
| 0001193125-21-292381-index.html | 2021-10-05 20:32:05 | |
| 0001193125-21-292381.txt | 2021-10-05 20:32:05 | |
 0001193125-21-292381-xbrl.zip | 27791 | 2021-10-05 20:32:05 |
| bf1-20211005.xsd | 4739 | 2021-10-05 20:32:05 |
| bf1-20211005_def.xml | 91422 | 2021-10-05 20:32:05 |
| bf1-20211005_lab.xml | 140354 | 2021-10-05 20:32:05 |
| bf1-20211005_pre.xml | 81468 | 2021-10-05 20:32:05 |
| d164325d497.htm | 33841 | 2021-10-05 20:32:05 |
| d164325d497_htm.xml | 35353 | 2021-10-05 20:32:05 |
| FilingSummary.xml | 2914 | 2021-10-05 20:32:05 |
| Financial_Report.xlsx | 9487 | 2021-10-05 20:32:05 |
| MetaLinks.json | 236655 | 2021-10-05 20:32:05 |
| R1.htm | 18254 | 2021-10-05 20:32:05 |
| R2.htm | 43035 | 2021-10-05 20:32:05 |
| R3.htm | 7481 | 2021-10-05 20:32:05 |
| report.css | 2767 | 2021-10-05 20:32:05 |
| Show.js | 1085 | 2021-10-05 20:32:05 |