Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-23-076765-index-headers.html | 2023-03-22 16:41:16 | |
| 0001193125-23-076765-index.html | 2023-03-22 16:41:16 | |
| 0001193125-23-076765.txt | 2023-03-22 16:41:16 | |
 0001193125-23-076765-xbrl.zip | 579181 | 2023-03-22 16:41:16 |
| bf1-20230322.xsd | 5534 | 2023-03-22 16:41:16 |
| bf1-20230322_cal.xml | 4678 | 2023-03-22 16:41:16 |
| bf1-20230322_def.xml | 165378 | 2023-03-22 16:41:16 |
| bf1-20230322_lab.xml | 138085 | 2023-03-22 16:41:16 |
| bf1-20230322_pre.xml | 147773 | 2023-03-22 16:41:16 |
| d403679d485bpos.htm | 3043475 | 2023-03-22 16:41:16 |
| d403679d485bpos_htm.xml | 147223 | 2023-03-22 16:41:16 |
| d403679dex9912kk.htm | 5688 | 2023-03-22 16:41:16 |
| d403679dex9913b.htm | 96649 | 2023-03-22 16:41:16 |
| d403679dex991f.htm | 121409 | 2023-03-22 16:41:16 |
| d403679dex994eee.htm | 13965 | 2023-03-22 16:41:16 |
| d403679dex994fff.htm | 41873 | 2023-03-22 16:41:16 |
| d403679dex994ggg.htm | 30565 | 2023-03-22 16:41:16 |
| d403679dex995b.htm | 58954 | 2023-03-22 16:41:16 |
| d403679dex998dd.htm | 44827 | 2023-03-22 16:41:16 |
| d403679dex999a.htm | 13477 | 2023-03-22 16:41:16 |
| filename34.htm | 25787 | 2023-03-22 16:41:16 |
| FilingSummary.xml | 4323 | 2023-03-22 16:41:16 |
 g403679g0318233339037.jpg | 734 | 2023-03-22 16:41:16 |
 g403679g0319032227927.jpg | 2836 | 2023-03-22 16:41:16 |
 g403679g0319032228180.jpg | 759 | 2023-03-22 16:41:16 |
 g403679g0319032228297.jpg | 2091 | 2023-03-22 16:41:16 |
 g403679g1g56p99.jpg | 40795 | 2023-03-22 16:41:16 |
 g403679g56p99.jpg | 40795 | 2023-03-22 16:41:16 |
| MetaLinks.json | 270326 | 2023-03-22 16:41:16 |
| R1.htm | 18023 | 2023-03-22 16:41:16 |
| R2.htm | 147205 | 2023-03-22 16:41:16 |
| R3.htm | 123472 | 2023-03-22 16:41:16 |
| report.css | 2769 | 2023-03-22 16:41:16 |
| Show.js | 1087 | 2023-03-22 16:41:16 |