Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-353998-index-headers.html | 2021-12-10 16:28:53 | |
| 0001193125-21-353998-index.html | 2021-12-10 16:28:53 | |
| 0001193125-21-353998.txt | 2021-12-10 16:28:53 | |
 0001193125-21-353998-xbrl.zip | 24266 | 2021-12-10 16:28:53 |
| bf1-20211210.xsd | 3563 | 2021-12-10 16:28:53 |
| bf1-20211210_def.xml | 89331 | 2021-12-10 16:28:53 |
| bf1-20211210_lab.xml | 133050 | 2021-12-10 16:28:53 |
| bf1-20211210_pre.xml | 79153 | 2021-12-10 16:28:53 |
| d271723d497.htm | 12128 | 2021-12-10 16:28:53 |
| d271723d497_htm.xml | 9103 | 2021-12-10 16:28:53 |
| FilingSummary.xml | 2905 | 2021-12-10 16:28:53 |
| Financial_Report.xlsx | 7400 | 2021-12-10 16:28:53 |
| MetaLinks.json | 231757 | 2021-12-10 16:28:53 |
| R1.htm | 18253 | 2021-12-10 16:28:53 |
| R2.htm | 15320 | 2021-12-10 16:28:53 |
| R3.htm | 7480 | 2021-12-10 16:28:53 |
| report.css | 2767 | 2021-12-10 16:28:53 |
| Show.js | 1085 | 2021-12-10 16:28:53 |