{"cik":1060736,"taxonomy":"us-gaap","tag":"EarningsPerShareBasic","label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","entityName":"Seagen Inc.","units":{"USD/shares":[{"start":"2010-01-01","end":"2010-03-31","val":0.11,"accn":"0001193125-11-130806","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-06","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":0.03,"accn":"0001193125-11-212365","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05"},{"start":"2010-04-01","end":"2010-06-30","val":-0.08,"accn":"0001193125-11-212365","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05","frame":"CY2010Q2"},{"start":"2011-01-01","end":"2011-03-31","val":-0.3,"accn":"0001193125-11-130806","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-06","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":-0.76,"accn":"0001193125-11-212365","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05"},{"start":"2011-04-01","end":"2011-06-30","val":-0.45,"accn":"0001193125-11-212365","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-05","frame":"CY2011Q2"},{"start":"2016-01-01","end":"2016-09-30","val":-0.61,"accn":"0001193125-17-334363","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06"},{"start":"2016-07-01","end":"2016-09-30","val":-0.23,"accn":"0001193125-17-334363","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06","frame":"CY2016Q3"},{"start":"2017-01-01","end":"2017-03-31","val":-0.42,"accn":"0001193125-18-046213","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-01-01","end":"2017-03-31","val":-0.42,"accn":"0001060736-19-000010","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-0.82,"accn":"0001060736-18-000012","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":-0.39,"accn":"0001193125-18-046213","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-04-01","end":"2017-06-30","val":-0.39,"accn":"0001060736-18-000012","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2017-04-01","end":"2017-06-30","val":-0.39,"accn":"0001060736-19-000010","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-07","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-0.46,"accn":"0001193125-17-334363","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06"},{"start":"2017-01-01","end":"2017-09-30","val":-0.46,"accn":"0001060736-18-000021","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":0.35,"accn":"0001193125-17-334363","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-06"},{"start":"2017-07-01","end":"2017-09-30","val":0.35,"accn":"0001193125-18-046213","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-07-01","end":"2017-09-30","val":0.35,"accn":"0001060736-18-000021","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-26"},{"start":"2017-07-01","end":"2017-09-30","val":0.35,"accn":"0001060736-19-000010","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-07","frame":"CY2017Q3"},{"start":"2017-10-01","end":"2017-12-31","val":-0.41,"accn":"0001193125-18-046213","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-15"},{"start":"2017-10-01","end":"2017-12-31","val":-0.41,"accn":"0001060736-19-000010","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-07","frame":"CY2017Q4"},{"start":"2018-01-01","end":"2018-03-31","val":-0.73,"accn":"0001060736-19-000010","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-07"},{"start":"2018-01-01","end":"2018-03-31","val":-0.73,"accn":"0001060736-20-000006","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-06","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-0.23,"accn":"0001060736-18-000012","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-01-01","end":"2018-06-30","val":-0.23,"accn":"0001060736-19-000030","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-16"},{"start":"2018-04-01","end":"2018-06-30","val":0.48,"accn":"0001060736-18-000012","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-26"},{"start":"2018-04-01","end":"2018-06-30","val":0.48,"accn":"0001060736-19-000010","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-07"},{"start":"2018-04-01","end":"2018-06-30","val":0.48,"accn":"0001060736-19-000030","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-16"},{"start":"2018-04-01","end":"2018-06-30","val":0.48,"accn":"0001060736-20-000006","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-06","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-0.66,"accn":"0001060736-18-000021","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-26"},{"start":"2018-07-01","end":"2018-09-30","val":-0.42,"accn":"0001060736-18-000021","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-26"},{"start":"2018-07-01","end":"2018-09-30","val":-0.42,"accn":"0001060736-19-000010","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-07"},{"start":"2018-07-01","end":"2018-09-30","val":-0.42,"accn":"0001060736-20-000006","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-06","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-1.41,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12","frame":"CY2018"},{"start":"2018-10-01","end":"2018-12-31","val":-0.75,"accn":"0001060736-19-000010","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-07"},{"start":"2018-10-01","end":"2018-12-31","val":-0.75,"accn":"0001060736-20-000006","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-06","frame":"CY2018Q4"},{"start":"2019-01-01","end":"2019-03-31","val":-0.08,"accn":"0001060736-20-000006","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-06"},{"start":"2019-01-01","end":"2019-03-31","val":-0.08,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-0.57,"accn":"0001060736-19-000030","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-16"},{"start":"2019-04-01","end":"2019-06-30","val":-0.49,"accn":"0001060736-19-000030","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-16"},{"start":"2019-04-01","end":"2019-06-30","val":-0.49,"accn":"0001060736-20-000006","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.49,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-1.13,"accn":"0001060736-20-000035","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30"},{"start":"2019-07-01","end":"2019-09-30","val":-0.55,"accn":"0001060736-20-000006","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-06"},{"start":"2019-07-01","end":"2019-09-30","val":-0.55,"accn":"0001060736-20-000035","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30"},{"start":"2019-07-01","end":"2019-09-30","val":-0.55,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-0.96,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12"},{"start":"2019-01-01","end":"2019-12-31","val":-0.96,"accn":"0001060736-22-000016","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-09","frame":"CY2019"},{"start":"2019-10-01","end":"2019-12-31","val":0.15,"accn":"0001060736-20-000006","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-06"},{"start":"2019-10-01","end":"2019-12-31","val":0.15,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12","frame":"CY2019Q4"},{"start":"2020-01-01","end":"2020-03-31","val":-0.98,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-1.1,"accn":"0001060736-21-000027","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-29"},{"start":"2020-04-01","end":"2020-06-30","val":-0.12,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12"},{"start":"2020-04-01","end":"2020-06-30","val":-0.12,"accn":"0001060736-21-000027","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-29","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":2.58,"accn":"0001060736-20-000035","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30"},{"start":"2020-01-01","end":"2020-09-30","val":2.58,"accn":"0001060736-21-000038","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-28"},{"start":"2020-07-01","end":"2020-09-30","val":3.65,"accn":"0001060736-20-000035","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30"},{"start":"2020-07-01","end":"2020-09-30","val":3.65,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12"},{"start":"2020-07-01","end":"2020-09-30","val":3.65,"accn":"0001060736-21-000038","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-28","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":3.51,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12"},{"start":"2020-01-01","end":"2020-12-31","val":3.51,"accn":"0001060736-22-000016","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-09"},{"start":"2020-01-01","end":"2020-12-31","val":3.51,"accn":"0001060736-23-000009","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2020"},{"start":"2020-10-01","end":"2020-12-31","val":0.93,"accn":"0001060736-21-000012","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-12","frame":"CY2020Q4"},{"start":"2021-01-01","end":"2021-03-31","val":-0.67,"accn":"0001060736-22-000037","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-28","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-1.14,"accn":"0001060736-21-000027","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-29"},{"start":"2021-01-01","end":"2021-06-30","val":-1.14,"accn":"0001060736-22-000052","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-28"},{"start":"2021-04-01","end":"2021-06-30","val":-0.47,"accn":"0001060736-21-000027","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-29"},{"start":"2021-04-01","end":"2021-06-30","val":-0.47,"accn":"0001060736-22-000052","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-28","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-2.75,"accn":"0001060736-21-000038","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-28"},{"start":"2021-01-01","end":"2021-09-30","val":-2.75,"accn":"0001060736-22-000068","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-27"},{"start":"2021-07-01","end":"2021-09-30","val":-1.61,"accn":"0001060736-21-000038","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-28"},{"start":"2021-07-01","end":"2021-09-30","val":-1.61,"accn":"0001060736-22-000068","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-27","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-3.7,"accn":"0001060736-22-000016","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-09"},{"start":"2021-01-01","end":"2021-12-31","val":-3.7,"accn":"0001060736-23-000009","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-0.74,"accn":"0001060736-22-000037","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-28"},{"start":"2022-01-01","end":"2022-03-31","val":-0.74,"accn":"0001060736-23-000032","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-27","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-1.48,"accn":"0001060736-22-000052","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-28"},{"start":"2022-01-01","end":"2022-06-30","val":-1.48,"accn":"0001060736-23-000040","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-02"},{"start":"2022-04-01","end":"2022-06-30","val":-0.73,"accn":"0001060736-22-000052","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-28"},{"start":"2022-04-01","end":"2022-06-30","val":-0.73,"accn":"0001060736-23-000040","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-02","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":-2.51,"accn":"0001060736-22-000068","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-27"},{"start":"2022-01-01","end":"2022-09-30","val":-2.51,"accn":"0001060736-23-000047","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-01"},{"start":"2022-07-01","end":"2022-09-30","val":-1.03,"accn":"0001060736-22-000068","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-27"},{"start":"2022-07-01","end":"2022-09-30","val":-1.03,"accn":"0001060736-23-000047","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-01","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":-3.3,"accn":"0001060736-23-000009","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-15","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-0.93,"accn":"0001060736-23-000032","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-27","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":-2.06,"accn":"0001060736-23-000040","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-02"},{"start":"2023-04-01","end":"2023-06-30","val":-1.13,"accn":"0001060736-23-000040","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-02","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":-3.21,"accn":"0001060736-23-000047","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-01"},{"start":"2023-07-01","end":"2023-09-30","val":-1.15,"accn":"0001060736-23-000047","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-01","frame":"CY2023Q3"}]}}