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Consolidated Statements of Equity (Parenthetical) (Zoetis [Member])
 0 Months Ended
Feb. 06, 2013
Subsidiaries [Member] | IPO [Member]  
Percentage offered in IPO 19.80%pfe_DiscontinuedOperationsPercentageofOwnershipDisposed
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= pfe_ZoetisDisposalMember
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember