Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Contribution to JV	$ (163.7)	$ 0.0

Finite-lived Intangible Assets, Transferred To Affiliated Entity

No definition available.

Name:	shpgf_FinitelivedIntangibleAssetsTransferredToAffiliatedEntity
Namespace Prefix:	shpgf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration