Collaborative and Other Relationships - Co-promotion Profit Sharing Formula (Details) $ in Millions	Mar. 31, 2025 USD ($)
RITUXAN
Collaborative arrangements and non-collaborative arrangement transactions
After LUNSUMIO Approval until the First Threshold Date	37.50%
After First Threshold Date until the Second Threshold Date	35.00%
After Second Threshold Date	30.00%
LUNSUMIO
Collaborative arrangements and non-collaborative arrangement transactions
After First Threshold Date until the Second Threshold Date	35.00%
Co promotion operating profit threshold to determine share of co promotion operating profit prior to amendment	$ 50.0