Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Contingencies and commitments (Details) - patent	Jun. 30, 2020	May 08, 2020
Loss Contingencies [Line Items]
Number of asserted patents expired		3
Humira Biosimilar Antitrust Class Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency, appeal period	30 days