Expiration date of exclusive marketing right granted for a drug by FDA.

No definition available.

Name:	pfe_ExclusivityLostDate
Namespace Prefix:	pfe_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

The reduction in revenue due to the loss of exclusivity of marketing right for a drug.

No definition available.

Name:	pfe_ReductionInRevenuesDueToLossOfExclusivity
Namespace Prefix:	pfe_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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