1.0.0.3 false Consolidated Statements of Income (USD $) In Millions, except Per Share data false 1 $ false false Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDperShare Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 2 $ false false Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDperShare Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 3 $ false false Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDperShare Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 5 3 us-gaap_SalesRevenueNet us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 50009000000 50009 false false 2 true true 48296000000 48296 false false 3 true true 48418000000 48418 false false No definition available. No authoritative reference available. false 6 3 us-gaap_CostsAndExpensesAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 7 4 us-gaap_CostOfGoodsAndServicesSold us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 8888000000 8888 [1] false false 2 false true 8112000000 8112 [1] false false 3 false true 11239000000 11239 [1] false false No definition available. No authoritative reference available. false 8 4 us-gaap_SellingGeneralAndAdministrativeExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 14875000000 14875 [1] false false 2 false true 14537000000 14537 [1] false false 3 false true 15626000000 15626 [1] false false No definition available. No authoritative reference available. false 9 4 us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 7845000000 7845 [1] false false 2 false true 7945000000 7945 [1] false false 3 false true 8089000000 8089 [1] false false No definition available. No authoritative reference available. false 10 4 us-gaap_AmortizationOfIntangibleAssets us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 2877000000 2877 false false 2 false true 2668000000 2668 false false 3 false true 3128000000 3128 false false No definition available. No authoritative reference available. false 11 4 us-gaap_ResearchAndDevelopmentInProcess us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 68000000 68 false false 2 false true 633000000 633 false false 3 false true 283000000 283 false false No definition available. No authoritative reference available. false 12 4 pfe_RestructuringChargesAndAcquisitionRelatedCosts pfe false debit duration monetary This element represents (i) restructuring charges, which are amounts charged against earnings in the period for incurred and... false false false false false false false false false 1 false true 4337000000 4337 false false 2 false true 2675000000 2675 false false 3 false true 2534000000 2534 false false This element represents (i) restructuring charges, which are amounts charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted; and (ii) acquisition-related costs, which are costs incurred to effect a business combination which costs have been expensed during the period. Such costs can include transaction costs such as banking, legal, accounting and other costs directly related to effect a business combination as well as external, incremental costs of integration planning that are directly related to a business combination, including costs associated with preparing for systems and other integration activities. No authoritative reference available. false 13 4 pfe_OtherIncomeExpenseNet pfe false debit duration monetary This element represents (i) the total amount of other operating income, not previously categorized, from items that are... false false false false false false false false false 1 false true 292000000 292 false false 2 false true 2032000000 2032 false false 3 false true -1759000000 -1759 false false This element represents (i) the total amount of other operating income, not previously categorized, from items that are associated with the entity's normal revenue producing operation; and (ii) recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales, as well as excludes research and development expenses and selling, informational and administrative expenses. No authoritative reference available. false 14 3 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 10827000000 10827 false false 2 false true 9694000000 9694 false false 3 false true 9278000000 9278 false false No definition available. No authoritative reference available. true 15 3 us-gaap_IncomeTaxExpenseBenefit us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 2197000000 2197 false false 2 false true 1645000000 1645 false false 3 false true 1023000000 1023 false false No definition available. No authoritative reference available. false 16 3 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 8630000000 8630 false false 2 false true 8049000000 8049 false false 3 false true 8255000000 8255 false false No definition available. No authoritative reference available. true 17 3 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 14000000 14 false false 2 false true 78000000 78 false false 3 false true -69000000 -69 false false No definition available. No authoritative reference available. false 18 3 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false true 8644000000 8644 false false 2 false true 8127000000 8127 false false 3 false true 8186000000 8186 false false No definition available. No authoritative reference available. true 19 3 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false true 9000000 9 false false 2 false true 23000000 23 false false 3 false true 42000000 42 false false No definition available. No authoritative reference available. false 20 3 us-gaap_NetIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 true true 8635000000 8635 false false 2 true true 8104000000 8104 false false 3 true true 8144000000 8144 false false No definition available. No authoritative reference available. true 21 3 us-gaap_EarningsPerShareBasicAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 22 4 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 1.23 1.23 false false 2 true true 1.19 1.19 false false 3 true true 1.19 1.19 false false No definition available. No authoritative reference available. false 23 4 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 0 0 false false 2 true true 0.01 0.01 false false 3 true true -0.01 -0.01 false false No definition available. No authoritative reference available. false 24 4 us-gaap_EarningsPerShareBasic us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 1.23 1.23 false false 2 true true 1.20 1.20 false false 3 true true 1.18 1.18 false false No definition available. No authoritative reference available. true 25 3 us-gaap_EarningsPerShareDilutedAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false 3 false false 0 0 false false No definition available. false 26 4 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 1.23 1.23 false false 2 true true 1.19 1.19 false false 3 true true 1.18 1.18 false false No definition available. No authoritative reference available. false 27 4 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 0 0 false false 2 true true 0.01 0.01 false false 3 true true -0.01 -0.01 false false No definition available. No authoritative reference available. false 28 4 us-gaap_EarningsPerShareDiluted us-gaap true na duration decimal No definition available. false false false false false false false false true 1 true true 1.23 1.23 false false 2 true true 1.20 1.20 false false 3 true true 1.17 1.17 false false No definition available. No authoritative reference available. true 29 3 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 7007000000 7007 false false 2 false true 6727000000 6727 false false 3 false true 6917000000 6917 false false No definition available. No authoritative reference available. false 30 3 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 7045000000 7045 false false 2 false true 6750000000 6750 false false 3 false true 6939000000 6939 false false No definition available. No authoritative reference available. false 1 Exclusive of amortization of intangible assets except as disclosed in Note 1L. Significant Accounting Policies: Amortization of Intangible Assets, Depreciation and Certain Long-Lived Assets. false 3 26 false Millions Millions Hundreds false true