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|---|---|---|
 0001193125-21-336458-index-headers.html | 2021-11-22 14:02:10 | |
| 0001193125-21-336458-index.html | 2021-11-22 14:02:10 | |
| 0001193125-21-336458.txt | 2021-11-22 14:02:10 | |
 0001193125-21-336458-xbrl.zip | 533917 | 2021-11-22 14:02:10 |
| bf1-20211122.xsd | 5762 | 2021-11-22 14:02:10 |
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| d238941dex9910a.htm | 2079 | 2021-11-22 14:02:10 |
| FilingSummary.xml | 3480 | 2021-11-22 14:02:10 |
| Financial_Report.xlsx | 26102 | 2021-11-22 14:02:10 |
 g238941bar.jpg | 3245 | 2021-11-22 14:02:10 |
 g238941c000129315_dgf.jpg | 13979 | 2021-11-22 14:02:10 |
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| R1.htm | 18260 | 2021-11-22 14:02:10 |
| R2.htm | 217064 | 2021-11-22 14:02:10 |
| R3.htm | 190917 | 2021-11-22 14:02:10 |
| report.css | 2767 | 2021-11-22 14:02:10 |
| Show.js | 1085 | 2021-11-22 14:02:10 |