{"cik":105770,"taxonomy":"us-gaap","tag":"LongTermDebtNoncurrent","label":"Long-term Debt, Excluding Current Maturities","description":"Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"WEST PHARMACEUTICAL SERVICES, INC.","units":{"USD":[{"end":"2009-12-31","val":379100000,"accn":"0000105770-10-000032","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-05"},{"end":"2009-12-31","val":379100000,"accn":"0000105770-10-000045","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-05"},{"end":"2009-12-31","val":379100000,"accn":"0000105770-11-000016","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-28","frame":"CY2009Q4I"},{"end":"2010-06-30","val":356800000,"accn":"0000105770-10-000032","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-05","frame":"CY2010Q2I"},{"end":"2010-09-30","val":369300000,"accn":"0000105770-10-000045","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-05","frame":"CY2010Q3I"},{"end":"2010-12-31","val":358100000,"accn":"0000105770-11-000016","fy":2010,"fp":"FY","form":"10-K","filed":"2011-02-28"},{"end":"2010-12-31","val":358100000,"accn":"0000105770-11-000022","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-05"},{"end":"2010-12-31","val":358100000,"accn":"0000105770-11-000045","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-08"},{"end":"2010-12-31","val":358100000,"accn":"0000105770-11-000059","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-07"},{"end":"2010-12-31","val":358100000,"accn":"0000105770-12-000013","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-03-01","frame":"CY2010Q4I"},{"end":"2011-03-31","val":364700000,"accn":"0000105770-11-000022","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-05","frame":"CY2011Q1I"},{"end":"2011-06-30","val":367200000,"accn":"0000105770-11-000045","fy":2011,"fp":"Q2","form":"10-Q/A","filed":"2011-08-08","frame":"CY2011Q2I"},{"end":"2011-09-30","val":323300000,"accn":"0000105770-11-000059","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-07","frame":"CY2011Q3I"},{"end":"2011-12-31","val":299300000,"accn":"0000105770-12-000013","fy":2011,"fp":"FY","form":"10-K/A","filed":"2012-03-01"},{"end":"2011-12-31","val":299300000,"accn":"0000105770-12-000027","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04"},{"end":"2011-12-31","val":299300000,"accn":"0000105770-12-000052","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-06"},{"end":"2011-12-31","val":299300000,"accn":"0000105770-12-000062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-05"},{"end":"2011-12-31","val":299300000,"accn":"0000105770-13-000007","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27","frame":"CY2011Q4I"},{"end":"2012-03-31","val":294900000,"accn":"0000105770-12-000027","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-04","frame":"CY2012Q1I"},{"end":"2012-06-30","val":296400000,"accn":"0000105770-12-000052","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-06","frame":"CY2012Q2I"},{"end":"2012-09-30","val":362100000,"accn":"0000105770-12-000062","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-05","frame":"CY2012Q3I"},{"end":"2012-12-31","val":378800000,"accn":"0000105770-13-000007","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-27"},{"end":"2012-12-31","val":378800000,"accn":"0000105770-13-000017","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-06"},{"end":"2012-12-31","val":378800000,"accn":"0000105770-13-000041","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-05"},{"end":"2012-12-31","val":378800000,"accn":"0000105770-13-000053","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-04"},{"end":"2012-12-31","val":378800000,"accn":"0000105770-14-000005","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27","frame":"CY2012Q4I"},{"end":"2013-03-31","val":428400000,"accn":"0000105770-13-000017","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-06","frame":"CY2013Q1I"},{"end":"2013-06-30","val":394700000,"accn":"0000105770-13-000041","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-05","frame":"CY2013Q2I"},{"end":"2013-09-30","val":381100000,"accn":"0000105770-13-000053","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-04","frame":"CY2013Q3I"},{"end":"2013-12-31","val":371300000,"accn":"0000105770-14-000005","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-27"},{"end":"2013-12-31","val":371300000,"accn":"0000105770-14-000016","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-08"},{"end":"2013-12-31","val":371300000,"accn":"0000105770-14-000046","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-01"},{"end":"2013-12-31","val":371300000,"accn":"0000105770-14-000065","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-03"},{"end":"2013-12-31","val":371300000,"accn":"0000105770-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-25","frame":"CY2013Q4I"},{"end":"2014-03-31","val":390700000,"accn":"0000105770-14-000016","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-08","frame":"CY2014Q1I"},{"end":"2014-06-30","val":359300000,"accn":"0000105770-14-000046","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-01","frame":"CY2014Q2I"},{"end":"2014-09-30","val":315500000,"accn":"0000105770-14-000065","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-03","frame":"CY2014Q3I"},{"end":"2014-12-31","val":309500000,"accn":"0000105770-15-000007","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-25"},{"end":"2014-12-31","val":309500000,"accn":"0000105770-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-06"},{"end":"2014-12-31","val":309500000,"accn":"0000105770-15-000036","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-03"},{"end":"2014-12-31","val":309500000,"accn":"0000105770-15-000047","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-02"},{"end":"2014-12-31","val":308300000,"accn":"0000105770-16-000060","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-26","frame":"CY2014Q4I"},{"end":"2015-03-31","val":231900000,"accn":"0000105770-15-000015","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-06","frame":"CY2015Q1I"},{"end":"2015-06-30","val":231700000,"accn":"0000105770-15-000036","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-03","frame":"CY2015Q2I"},{"end":"2015-09-30","val":231500000,"accn":"0000105770-15-000047","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-02","frame":"CY2015Q3I"},{"end":"2015-12-31","val":228900000,"accn":"0000105770-16-000060","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-26"},{"end":"2015-12-31","val":228900000,"accn":"0000105770-16-000071","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06"},{"end":"2015-12-31","val":228900000,"accn":"0000105770-16-000086","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-01"},{"end":"2015-12-31","val":228900000,"accn":"0000105770-16-000101","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-31"},{"end":"2015-12-31","val":228900000,"accn":"0000105770-17-000011","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-28","frame":"CY2015Q4I"},{"end":"2016-03-31","val":229500000,"accn":"0000105770-16-000071","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-06","frame":"CY2016Q1I"},{"end":"2016-06-30","val":228900000,"accn":"0000105770-16-000086","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-01","frame":"CY2016Q2I"},{"end":"2016-09-30","val":228600000,"accn":"0000105770-16-000101","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-10-31","frame":"CY2016Q3I"},{"end":"2016-12-31","val":226200000,"accn":"0000105770-17-000011","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-28"},{"end":"2016-12-31","val":226200000,"accn":"0000105770-17-000019","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05"},{"end":"2016-12-31","val":226200000,"accn":"0000105770-17-000042","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-01"},{"end":"2016-12-31","val":226200000,"accn":"0000105770-17-000050","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-31"},{"end":"2016-12-31","val":226200000,"accn":"0000105770-18-000006","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26","frame":"CY2016Q4I"},{"end":"2017-03-31","val":194200000,"accn":"0000105770-17-000019","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-05","frame":"CY2017Q1I"},{"end":"2017-06-30","val":195700000,"accn":"0000105770-17-000042","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-01","frame":"CY2017Q2I"},{"end":"2017-09-30","val":196600000,"accn":"0000105770-17-000050","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-31","frame":"CY2017Q3I"},{"end":"2017-12-31","val":197000000,"accn":"0000105770-18-000006","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"end":"2017-12-31","val":197000000,"accn":"0000105770-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-08"},{"end":"2017-12-31","val":197000000,"accn":"0000105770-18-000032","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-31"},{"end":"2017-12-31","val":197000000,"accn":"0000105770-18-000038","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-30"},{"end":"2017-12-31","val":197000000,"accn":"0000105770-19-000012","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28","frame":"CY2017Q4I"},{"end":"2018-03-31","val":198000000,"accn":"0000105770-18-000015","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-08","frame":"CY2018Q1I"},{"end":"2018-06-30","val":196400000,"accn":"0000105770-18-000032","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-07-31","frame":"CY2018Q2I"},{"end":"2018-09-30","val":196200000,"accn":"0000105770-18-000038","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-10-30","frame":"CY2018Q3I"},{"end":"2018-12-31","val":196000000,"accn":"0000105770-19-000012","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-28"},{"end":"2018-12-31","val":196000000,"accn":"0000105770-19-000020","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08"},{"end":"2018-12-31","val":196000000,"accn":"0000105770-19-000033","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-29"},{"end":"2018-12-31","val":196000000,"accn":"0000105770-19-000045","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-29"},{"end":"2018-12-31","val":196000000,"accn":"0000105770-20-000015","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-24","frame":"CY2018Q4I"},{"end":"2019-03-31","val":195500000,"accn":"0000105770-19-000020","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-08","frame":"CY2019Q1I"},{"end":"2019-06-30","val":196000000,"accn":"0000105770-19-000033","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-07-29","frame":"CY2019Q2I"},{"end":"2019-09-30","val":195100000,"accn":"0000105770-19-000045","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-10-29","frame":"CY2019Q3I"},{"end":"2019-12-31","val":255000000,"accn":"0000105770-20-000015","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-24"},{"end":"2019-12-31","val":255000000,"accn":"0000105770-20-000021","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-04-24"},{"end":"2019-12-31","val":255000000,"accn":"0000105770-20-000045","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-24"},{"end":"2019-12-31","val":255000000,"accn":"0000105770-20-000057","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-23"},{"end":"2019-12-31","val":255000000,"accn":"0000105770-21-000008","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-23","frame":"CY2019Q4I"},{"end":"2020-03-31","val":254400000,"accn":"0000105770-20-000021","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-04-24","frame":"CY2020Q1I"},{"end":"2020-06-30","val":253900000,"accn":"0000105770-20-000045","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-24","frame":"CY2020Q2I"},{"end":"2020-09-30","val":253400000,"accn":"0000105770-20-000057","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-23","frame":"CY2020Q3I"},{"end":"2020-12-31","val":252900000,"accn":"0000105770-21-000008","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-23"},{"end":"2020-12-31","val":252900000,"accn":"0000105770-21-000026","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-30"},{"end":"2020-12-31","val":252900000,"accn":"0000105770-21-000055","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-30"},{"end":"2020-12-31","val":252900000,"accn":"0000105770-21-000083","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-28"},{"end":"2020-12-31","val":252900000,"accn":"0001628280-22-003342","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-22","frame":"CY2020Q4I"},{"end":"2021-03-31","val":252300000,"accn":"0000105770-21-000026","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-04-30","frame":"CY2021Q1I"},{"end":"2021-06-30","val":251800000,"accn":"0000105770-21-000055","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-07-30","frame":"CY2021Q2I"},{"end":"2021-09-30","val":209900000,"accn":"0000105770-21-000083","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-10-28","frame":"CY2021Q3I"},{"end":"2021-12-31","val":208800000,"accn":"0001628280-22-003342","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-22"},{"end":"2021-12-31","val":208800000,"accn":"0000105770-22-000017","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-28"},{"end":"2021-12-31","val":208800000,"accn":"0000105770-22-000047","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-28"},{"end":"2021-12-31","val":208800000,"accn":"0000105770-22-000054","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-27"},{"end":"2021-12-31","val":208800000,"accn":"0000105770-23-000012","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-21","frame":"CY2021Q4I"},{"end":"2022-03-31","val":208300000,"accn":"0000105770-22-000017","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-04-28","frame":"CY2022Q1I"},{"end":"2022-06-30","val":207800000,"accn":"0000105770-22-000047","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-07-28","frame":"CY2022Q2I"},{"end":"2022-09-30","val":207200000,"accn":"0000105770-22-000054","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-10-27","frame":"CY2022Q3I"},{"end":"2022-12-31","val":206700000,"accn":"0000105770-23-000012","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-21"},{"end":"2022-12-31","val":206700000,"accn":"0000105770-23-000023","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-27"},{"end":"2022-12-31","val":206700000,"accn":"0000105770-23-000048","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-27"},{"end":"2022-12-31","val":206700000,"accn":"0000105770-23-000068","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-26"},{"end":"2022-12-31","val":206700000,"accn":"0000105770-24-000015","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-20","frame":"CY2022Q4I"},{"end":"2023-03-31","val":206100000,"accn":"0000105770-23-000023","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-04-27","frame":"CY2023Q1I"},{"end":"2023-06-30","val":205600000,"accn":"0000105770-23-000048","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-07-27","frame":"CY2023Q2I"},{"end":"2023-09-30","val":152100000,"accn":"0000105770-23-000068","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-10-26","frame":"CY2023Q3I"},{"end":"2023-12-31","val":72800000,"accn":"0000105770-24-000015","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-20"},{"end":"2023-12-31","val":72800000,"accn":"0000105770-24-000031","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-25"},{"end":"2023-12-31","val":72800000,"accn":"0000105770-24-000066","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-25"},{"end":"2023-12-31","val":72800000,"accn":"0000105770-24-000081","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24"},{"end":"2023-12-31","val":72800000,"accn":"0000105770-25-000013","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-18","frame":"CY2023Q4I"},{"end":"2024-03-31","val":72800000,"accn":"0000105770-24-000031","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-04-25","frame":"CY2024Q1I"},{"end":"2024-06-30","val":72900000,"accn":"0000105770-24-000066","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-07-25","frame":"CY2024Q2I"},{"end":"2024-09-30","val":202600000,"accn":"0000105770-24-000081","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-24","frame":"CY2024Q3I"},{"end":"2024-12-31","val":202600000,"accn":"0000105770-25-000013","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-18"},{"end":"2024-12-31","val":202600000,"accn":"0000105770-25-000036","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-24"},{"end":"2024-12-31","val":202600000,"accn":"0000105770-25-000065","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-24"},{"end":"2024-12-31","val":202600000,"accn":"0000105770-25-000093","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23"},{"end":"2024-12-31","val":202600000,"accn":"0000105770-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-17","frame":"CY2024Q4I"},{"end":"2025-03-31","val":202600000,"accn":"0000105770-25-000036","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-04-24","frame":"CY2025Q1I"},{"end":"2025-06-30","val":202600000,"accn":"0000105770-25-000065","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-24","frame":"CY2025Q2I"},{"end":"2025-09-30","val":202700000,"accn":"0000105770-25-000093","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-23","frame":"CY2025Q3I"},{"end":"2025-12-31","val":202800000,"accn":"0000105770-26-000010","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-17"},{"end":"2025-12-31","val":202800000,"accn":"0000105770-26-000049","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-23"},{"end":"2025-12-31","val":202800000,"accn":"0000105770-26-000099","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-07-23","frame":"CY2025Q4I"},{"end":"2026-03-31","val":202800000,"accn":"0000105770-26-000049","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-23","frame":"CY2026Q1I"},{"end":"2026-06-30","val":202900000,"accn":"0000105770-26-000099","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-07-23","frame":"CY2026Q2I"}]}}