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Collaborative and Other Relationships - Profit Sharing (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
RITUXAN |  |  |
Collaborative arrangements and non-collaborative arrangement transactions |  |  |
Percentage of co promotion operating profits first fifty million | 30.00% |  |
Until First GAZYVA Threshold Date | 39.00% |  |
After First GAZYVA Threshold Date until Second GAZYVA Threshold Date | 37.50% |  |
GAZYVA |  |  |
Collaborative arrangements and non-collaborative arrangement transactions |  |  |
Percentage of co promotion operating profits first fifty million | 35.00% |  |
Co-promotion operating profit threshold for Rituxan in U S and Canada to determine share of co promotion operating profit prior to amendment | $ 50.0 |  |
Limit of gross sale of GAZYVA to be achieved in preceding 12 months under option one | 150.0 |  |
Limit of gross sale of GAZYVA to be achieved in any 12 months under option one | 150.0 |  |
Sales trigger gross sales threshold | $ 500.0 |  |
Until First GAZYVA Threshold Date | 39.00% |  |
After First GAZYVA Threshold Date until Second GAZYVA Threshold Date | 37.50% | 37.50% | 37.50%
New Anti Cd20 |  |  |
Collaborative arrangements and non-collaborative arrangement transactions |  |  |
Future percentage of co-promotion operating profits | 37.50% | 37.50% | 37.50%
New Anti Cd20 | Minimum |  |  |
Collaborative arrangements and non-collaborative arrangement transactions |  |  |
Future percentage of co-promotion operating profits | 30.00% |  |
New Anti Cd20 | Maximum |  |  |
Collaborative arrangements and non-collaborative arrangement transactions |  |  |
Future percentage of co-promotion operating profits | 37.50% |  |

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- Details
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