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|---|---|---|
 0001193125-21-345520-index-headers.html | 2021-12-01 17:15:06 | |
| 0001193125-21-345520-index.html | 2021-12-01 17:15:06 | |
| 0001193125-21-345520.txt | 2021-12-01 17:15:06 | |
 0001193125-21-345520-xbrl.zip | 551536 | 2021-12-01 17:15:06 |
| bf1-20211201.xsd | 6242 | 2021-12-01 17:15:06 |
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| d181350dex9910a.htm | 2084 | 2021-12-01 17:15:06 |
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| Financial_Report.xlsx | 32920 | 2021-12-01 17:15:06 |
 g181350bar.jpg | 3245 | 2021-12-01 17:15:06 |
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| R2.htm | 262118 | 2021-12-01 17:15:06 |
| R3.htm | 207756 | 2021-12-01 17:15:06 |
| report.css | 2767 | 2021-12-01 17:15:06 |
| Show.js | 1085 | 2021-12-01 17:15:06 |