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Equity - Narrative (Details) - Common $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 shares | Dec. 31, 2021 shares | May 09, 2022 USD ($) tranch | Jun. 18, 2015 shares
Equity - Acquired Share capital PureTech LLC [Line Items] |  |  |  |
Value of ahares authorized to be repurchased | $ |  |  | $ 50.0 |
Number of tranches | tranch |  |  | 2 |
Number of shares issued (in shares) | 278,566,306 |  |  |
Purchase of treasury stock (in shares) | 10,595,347 | 0 |  |
Jefferies International Limited |  |  |  |
Equity - Acquired Share capital PureTech LLC [Line Items] |  |  |  |
Value of ahares authorized to be repurchased | $ |  |  | $ 25.0 |
PureTech Health LLC |  |  |  |
Equity - Acquired Share capital PureTech LLC [Line Items] |  |  |  |
Issued share capital acquired (in shares) |  |  |  | 159,648,387

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