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|---|---|---|
 0001193125-23-015050-index-headers.html | 2023-01-25 14:21:13 | |
| 0001193125-23-015050-index.html | 2023-01-25 14:21:13 | |
| 0001193125-23-015050.txt | 2023-01-25 14:21:13 | |
 0001193125-23-015050-xbrl.zip | 565329 | 2023-01-25 14:21:13 |
| bf1-20230125.xsd | 5993 | 2023-01-25 14:21:13 |
| bf1-20230125_cal.xml | 4678 | 2023-01-25 14:21:13 |
| bf1-20230125_def.xml | 166860 | 2023-01-25 14:21:13 |
| bf1-20230125_lab.xml | 148795 | 2023-01-25 14:21:13 |
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| d427590d485bpos.htm | 3846252 | 2023-01-25 14:21:13 |
| d427590d485bpos_htm.xml | 150234 | 2023-01-25 14:21:13 |
| d427590dex9910a.htm | 2034 | 2023-01-25 14:21:13 |
| FilingSummary.xml | 3579 | 2023-01-25 14:21:13 |
 g427590bar.jpg | 3245 | 2023-01-25 14:21:13 |
 g427590c000004049_dgf.jpg | 13937 | 2023-01-25 14:21:13 |
 g427590g1bar.jpg | 3245 | 2023-01-25 14:21:13 |
 g427590g1c000198224_dgf.jpg | 14093 | 2023-01-25 14:21:13 |
 g427590g1img01f194941.gif | 2804 | 2023-01-25 14:21:13 |
 g427590g21y28.jpg | 3830 | 2023-01-25 14:21:13 |
 g427590img2859e6a61.gif | 2804 | 2023-01-25 14:21:13 |
| MetaLinks.json | 275042 | 2023-01-25 14:21:13 |
| R1.htm | 18021 | 2023-01-25 14:21:13 |
| R2.htm | 231010 | 2023-01-25 14:21:13 |
| R3.htm | 190914 | 2023-01-25 14:21:13 |
| report.css | 2767 | 2023-01-25 14:21:13 |
| Show.js | 1085 | 2023-01-25 14:21:13 |