X0101 24F-2NT LIVE 0000844779 XXXXXXXX false false N-1A BLACKROCK FUNDS 100 Bellevue Parkway Wilmington DE X1 19809 BlackRock Sustainable Advantage Emerging Markets Equity Fund S000069108 true BlackRock Sustainable Advantage International Equity Fund S000069107 true BlackRock Global Impact Fund S000068585 true BlackRock International Impact Fund S000068584 true BlackRock Tactical Opportunities Fund S000001870 true BlackRock U.S. Impact Fund S000068583 true BlackRock Defensive Advantage Emerging Markets Fund S000070274 true BlackRock Defensive Advantage International Fund S000070273 true BlackRock Defensive Advantage U.S. Fund S000070272 true BlackRock Global Long/Short Equity Fund S000039460 true BlackRock Advantage Emerging Markets Fund S000033603 true 811-05742 033-26305 04/30/2022 false 976347275.49 644100908.00 963488356.00 1607589264.00 0.00 (631241988.51) 0.0000927 0.00 0.00 0.00 0.00 0.00 /s/Chris Woodruff Chris Woodruff, Assistant Treasurer 07/25/2022