X0101 24F-2NT LIVE 0000844779 XXXXXXXX false false N-1A BLACKROCK FUNDS 100 Bellevue Parkway Wilmington DE X1 19809 BlackRock Infrastructure Sustainable Opportunities Fund S000073490 true BlackRock SMID-Cap Growth Equity Fund S000072352 true BlackRock Commodity Strategies Fund S000033601 true BlackRock Advantage Large Cap Growth Fund S000001871 true BlackRock Advantage International Fund S000008399 true BlackRock International Dividend Fund S000001511 true BlackRock Energy Opportunities Fund S000001869 true BlackRock Advantage Small Cap Core Fund S000039982 true BlackRock High Equity Income Fund S000001509 true BlackRock Health Sciences Opportunities Portfolio S000001877 true BlackRock Mid-Cap Growth Equity Portfolio S000001505 true BlackRock Technology Opportunities Fund S000001510 true BlackRock Sustainable Advantage Large Cap Core Fund S000051092 true 811-05742 033-26305 05/31/2023 false 11788945803.00 14525818011.00 0.00 14525818011.00 0.00 (2736872208.00) 0.0001102 0.00 0.00 0.00 0.00 0.00 /s/ Chris Woodruff Chris Woodruff, Assistant Treasurer 08/23/2023