v3.25.2
Collaborations, Licensing Arrangements, Other Asset Acquisitions, and Others (Tables)
12 Months Ended
Mar. 31, 2025
Collaborations, Licensing Arrangements, Other Asset Acquisitions, and Others [Abstract]  
Summary of Payments Made Under the Terms of Collaboration and Licensing Arrangements
Under the terms of these collaborations, in-licensing arrangements, and other asset acquisitions, Takeda made the following payments:
JPY (millions)
For the Year Ended March 31
202320242025
Initial up-front payments, milestone payments, and other asset acquisitions¥676,156 ¥124,878 ¥87,129 
Acquisition of shares of collaboration and in-licensing partners
494 2,050 12,268