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each of the first three anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."}],"balance_after":389.1035,"source":{"system":"sec-edgar","filing":"0001193125-26-035818","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1815485/000119312526035818/ownership.xml","form_type":"4"}},{"id":1284158,"issuer":{"id":8913,"kind":"organization","name":"BlackRock Health Sciences Trust","symbol":"BME"},"owners":[{"id":67928,"kind":"person","name":"Xie H Erin","position":1,"cik":"0001320932","reported_name":"Xie H 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date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"As previously reported on a Form 4 dated February 2, 2022, the Reporting Person was granted phantom shares on January 31, 2022 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"As previously reported on a Form 4 dated February 2, 2022, the Reporting Person was granted phantom shares on January 31, 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of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was 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on each of the first three anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"As previously reported on a Form 4 dated February 2, 2022, the Reporting Person was granted phantom shares on January 31, 2022 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."}],"balance_after":13471.1317,"source":{"system":"sec-edgar","filing":"0000950170-25-013890","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1314966/000095017025013890/ownership.xml","form_type":"4"}},{"id":1284149,"issuer":{"id":8913,"kind":"organization","name":"BlackRock Health Sciences Trust","symbol":"BME"},"owners":[{"id":83586,"kind":"person","name":"Accettella Christopher","position":1,"cik":"0001513197","reported_name":"Accettella 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date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"As previously reported on a Form 4 dated February 3, 2022, the Reporting Person was granted phantom shares on January 31, 2022 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"As previously reported on a Form 4 dated February 3, 2022, the Reporting Person was granted phantom shares on January 31, 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first three anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."}],"balance_after":58.7753,"derivative":{"underlying":"Common Stock","underlying_shares":58.7753},"source":{"system":"sec-edgar","filing":"0000950170-25-013446","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1314966/000095017025013446/ownership.xml","form_type":"4"}},{"id":1284147,"issuer":{"id":8913,"kind":"organization","name":"BlackRock Health Sciences Trust","symbol":"BME"},"owners":[{"id":83586,"kind":"person","name":"Accettella Christopher","position":1,"cik":"0001513197","reported_name":"Accettella Christopher","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Portfolio Manager"}}],"security":"Phantom 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cash."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"As previously reported on a Form 4 dated February 2, 2024, the Reporting Person was granted phantom shares on January 31, 2024 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"As previously reported on a Form 4 dated February 2, 2024, the Reporting Person was granted phantom shares on January 31, 2024 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"A phantom 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anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."}],"balance_after":141.2239,"derivative":{"underlying":"Common Stock","underlying_shares":141.2239},"source":{"system":"sec-edgar","filing":"0000950170-25-013288","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1320768/000095017025013288/ownership.xml","form_type":"4"}},{"id":1284444,"issuer":{"id":8913,"kind":"organization","name":"BlackRock Health Sciences Trust","symbol":"BME"},"owners":[{"id":67946,"kind":"person","name":"McClements Kyle","position":1,"cik":"0001320768","reported_name":"McClements Kyle","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Portfolio Manager"}}],"security":"Phantom 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on each of the first three anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"As previously reported on a Form 4 dated February 2, 2021, the Reporting Person was granted phantom shares on January 29, 2021 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."}],"balance_after":14946.8523,"source":{"system":"sec-edgar","filing":"0000950170-24-010916","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1314966/000095017024010916/ownership.xml","form_type":"4"}},{"id":1661162,"issuer":{"id":8913,"kind":"organization","name":"BlackRock Health Sciences Trust","symbol":"BME"},"owners":[{"id":83586,"kind":"person","name":"Accettella Christopher","position":1,"cik":"0001513197","reported_name":"Accettella 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2021 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"As previously reported on a Form 4 dated February 2, 2021, the Reporting Person was granted phantom shares on January 29, 2021 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."}],"balance_after":0,"derivative":{"underlying":"Common 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first three anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"As previously reported on a Form 4 dated February 3, 2022, the Reporting Person was granted phantom shares on January 31, 2022 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"As previously reported on a Form 4 dated February 3, 2022, the Reporting Person was granted phantom shares on January 31, 2022 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."}],"balance_after":78.369,"derivative":{"underlying":"Common Stock","underlying_shares":78.369},"source":{"system":"sec-edgar","filing":"0000950170-24-010883","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1314966/000095017024010883/ownership.xml","form_type":"4"}},{"id":1661160,"issuer":{"id":8913,"kind":"organization","name":"BlackRock Health Sciences Trust","symbol":"BME"},"owners":[{"id":83586,"kind":"person","name":"Accettella Christopher","position":1,"cik":"0001513197","reported_name":"Accettella Christopher","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Portfolio Manager"}}],"security":"Phantom 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each of the first three anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"As previously reported on a Form 4 dated February 2, 2022, the Reporting Person was granted phantom shares on January 31, 2022 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"As previously reported on a Form 4 dated February 2, 2022, the Reporting Person was granted phantom shares on January 31, 2022 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"As previously reported on a Form 4 dated February 2, 2022, the Reporting Person was granted phantom shares on January 31, 2022 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."}],"balance_after":102.4022,"derivative":{"underlying":"Common 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of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was 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on each of the first three anniversaries of the grant date."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"As previously reported on a Form 4 dated February 2, 2022, the Reporting Person was granted phantom shares on January 31, 2022 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-010819","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1815485/000095017024010819/ownership.xml","form_type":"4"}},{"id":1662013,"issuer":{"id":8913,"kind":"organization","name":"BlackRock Health Sciences Trust","symbol":"BME"},"owners":[{"id":67980,"kind":"person","name":"Liu Xiang","position":1,"cik":"0001815485","reported_name":"Liu 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cash."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"As previously reported on a Form 4 dated February 4, 2020, the Reporting Person was granted phantom shares on January 31, 2020 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"As previously reported on a Form 4 dated February 4, 2020, the Reporting Person was granted phantom shares on January 31, 2020 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"A phantom 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