Collaborative and Other Relationships - Pretax Profit Sharing Formula (Details) $ in Millions	3 Months Ended
	Mar. 31, 2026 USD ($)
GAZYVA
Collaborative arrangements and non-collaborative arrangement transactions
After Second GAZYVA Threshold Date	35.00%
LUNSUMIO
Collaborative arrangements and non-collaborative arrangement transactions
After Second GAZYVA Threshold Date	35.00%
Threshold of Gross Sales Of To Be Achieved In Preceding Twelve Consecutive Months Under Option One	$ 500.0