Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-279440-index-headers.html | 2021-09-22 16:21:01 | |
| 0001193125-21-279440-index.html | 2021-09-22 16:21:01 | |
| 0001193125-21-279440.txt | 2021-09-22 16:21:01 | |
 0001193125-21-279440-xbrl.zip | 20364 | 2021-09-22 16:21:01 |
| bf1-20210922.xsd | 5811 | 2021-09-22 16:21:01 |
| bf1-20210922_cal.xml | 1401 | 2021-09-22 16:21:01 |
| bf1-20210922_def.xml | 33239 | 2021-09-22 16:21:01 |
| bf1-20210922_lab.xml | 24113 | 2021-09-22 16:21:01 |
| bf1-20210922_pre.xml | 31623 | 2021-09-22 16:21:01 |
| d207275d497.htm | 69108 | 2021-09-22 16:21:01 |
| d207275d497_htm.xml | 71701 | 2021-09-22 16:21:01 |
| FilingSummary.xml | 3399 | 2021-09-22 16:21:01 |
| Financial_Report.xlsx | 9093 | 2021-09-22 16:21:01 |
| MetaLinks.json | 34879 | 2021-09-22 16:21:01 |
| R1.htm | 18253 | 2021-09-22 16:21:01 |
| R2.htm | 12321 | 2021-09-22 16:21:01 |
| R3.htm | 80591 | 2021-09-22 16:21:01 |
| R4.htm | 7481 | 2021-09-22 16:21:01 |
| report.css | 2767 | 2021-09-22 16:21:01 |
| Show.js | 1085 | 2021-09-22 16:21:01 |