1.0.0.3 false Consolidated Balance Sheets (USD $) In Millions 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 5 3 us-gaap_AssetsAbstract 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 No definition available. false 6 4 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 true true 1978000000 1978 false false 2 true true 2122000000 2122 false false No definition available. No authoritative reference available. false 7 4 us-gaap_ShortTermInvestments us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 23991000000 23991 false false 2 false true 21609000000 21609 false false No definition available. No authoritative reference available. false 8 4 us-gaap_AccountsReceivableNetCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 14645000000 14645 false false 2 false true 8958000000 8958 false false No definition available. No authoritative reference available. false 9 4 us-gaap_NotesAndLoansReceivableGrossCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 1195000000 1195 false false 2 false true 824000000 824 false false No definition available. No authoritative reference available. false 10 4 us-gaap_InventoryNet us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 12403000000 12403 false false 2 false true 4381000000 4381 false false No definition available. No authoritative reference available. false 11 4 pfe_CurrentDeferredTaxAssetsAndOtherAssetsCurrent pfe false debit instant monetary This element represents (i) carrying amount as of the balance sheet date of payments made in advance for income and other... false false false false false false false false false 1 false true 6962000000 6962 false false 2 false true 5034000000 5034 false false This element represents (i) carrying amount as of the balance sheet date of payments made in advance for income and other taxes, which will be charged against earnings within one year or the normal operating cycle, if longer as well as the current portion of the aggregate tax effects as of the balance sheet date of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws; after deducting the allocated valuation allowance, if any, to reduce such amount to net realizable value; and (ii) aggregate carrying amount, as of the balance sheet date, of current assets not separately presented elsewhere in the balance sheet. No authoritative reference available. false 12 4 us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 496000000 496 false false 2 false true 148000000 148 false false No definition available. No authoritative reference available. false 13 4 us-gaap_AssetsCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 61670000000 61670 false false 2 false true 43076000000 43076 false false No definition available. No authoritative reference available. true 14 4 us-gaap_LongTermInvestmentsAndReceivablesNet us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 13122000000 13122 false false 2 false true 11478000000 11478 false false No definition available. No authoritative reference available. false 15 4 us-gaap_PropertyPlantAndEquipmentNet us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 22780000000 22780 false false 2 false true 13287000000 13287 false false No definition available. No authoritative reference available. false 16 4 us-gaap_Goodwill us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 42376000000 42376 false false 2 false true 21464000000 21464 false false No definition available. No authoritative reference available. false 17 4 us-gaap_IntangibleAssetsNetExcludingGoodwill us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 68015000000 68015 false false 2 false true 17721000000 17721 false false No definition available. No authoritative reference available. false 18 4 pfe_NonCurrentDeferredTaxAssetsAndOtherAssetsNoncurrent pfe false debit instant monetary This element represents (i)the noncurrent portion as of the balance sheet date of the aggregate carrying amount of all future... false false false false false false false false false 1 false true 4986000000 4986 false false 2 false true 4122000000 4122 false false This element represents (i)the noncurrent portion as of the balance sheet date of the aggregate carrying amount of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws; after the valuation allowance, if any, to reduce such amount to net realizable value. Deferred tax liabilities and assets shall be classified as current or noncurrent based on the classification of the related asset or liability for financial reporting. A deferred tax liability or asset that is not related to an asset or liability for financial reporting, including deferred tax assets related to carryforwards, shall be classified according to the expected reversal date of the temporary difference; and (ii) the aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately di sclosed in the balance sheet due to materiality considerations. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). No authoritative reference available. false 19 4 us-gaap_Assets us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 212949000000 212949 false false 2 false true 111148000000 111148 false false No definition available. No authoritative reference available. true 20 3 us-gaap_LiabilitiesAndStockholdersEquityAbstract 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 No definition available. false 21 4 us-gaap_DebtCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 5469000000 5469 false false 2 false true 9320000000 9320 false false No definition available. No authoritative reference available. false 22 4 us-gaap_AccountsPayableCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 4370000000 4370 false false 2 false true 1751000000 1751 false false No definition available. No authoritative reference available. false 23 4 us-gaap_DividendsPayableCurrentAndNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1454000000 1454 false false 2 false true 2159000000 2159 false false No definition available. No authoritative reference available. false 24 4 us-gaap_TaxesPayableCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 10107000000 10107 false false 2 false true 656000000 656 false false No definition available. No authoritative reference available. false 25 4 us-gaap_EmployeeRelatedLiabilitiesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 2242000000 2242 false false 2 false true 1667000000 1667 false false No definition available. No authoritative reference available. false 26 4 pfe_CurrentDeferredTaxLiabilitiesAndOtherCurrentLiabilities pfe false credit instant monetary This element represents (i) the current portion of deferred tax liabilities, which result from applying the applicable tax... false false false false false false false false false 1 false true 13583000000 13583 false false 2 false true 11456000000 11456 false false This element represents (i) the current portion of deferred tax liabilities, which result from applying the applicable tax rate to net taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax. A current taxable temporary difference is a difference between the tax basis and the carrying amount of a current asset or liability in the financial statements prepared in accordance with generally accepted accounting principles. In a classified statement of financial position, an enterprise shall separate deferred tax liabilities and assets into a current amount and a noncurrent amount. Deferred tax liabilities and assets shall be classified as current or noncurrent based on the classification of the related asset or liability for financial reporting. A deferred tax liability or asset that is not related to an asset or liability for financial reporting, including deferred tax assets related to carryforwards, shall be classified according to the expected reversal date of the temporary difference; and (ii) the aggregate carrying amount, as of the balance sheet date, of current obligations not separately disclosed in the balance sheet due to materiality considerations. Current liabilities are expected to be paid within one year (or the normal operating cycle, if longer). No authoritative reference available. false 27 4 us-gaap_LiabilitiesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 37225000000 37225 false false 2 false true 27009000000 27009 false false No definition available. No authoritative reference available. true 28 4 us-gaap_LongTermDebtNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 43193000000 43193 false false 2 false true 7963000000 7963 false false No definition available. No authoritative reference available. false 29 4 us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 6392000000 6392 false false 2 false true 4235000000 4235 false false No definition available. No authoritative reference available. false 30 4 us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 3243000000 3243 false false 2 false true 1604000000 1604 false false No definition available. No authoritative reference available. false 31 4 us-gaap_DeferredTaxLiabilitiesNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 17839000000 17839 false false 2 false true 2959000000 2959 false false No definition available. No authoritative reference available. false 32 4 us-gaap_AccruedIncomeTaxesNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 9000000000 9000 false false 2 false true 6568000000 6568 false false No definition available. No authoritative reference available. false 33 4 us-gaap_OtherLiabilitiesNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 5611000000 5611 false false 2 false true 3070000000 3070 false false No definition available. No authoritative reference available. false 34 4 us-gaap_Liabilities us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 122503000000 122503 false false 2 false true 53408000000 53408 false false No definition available. No authoritative reference available. true 35 4 us-gaap_PreferredStockValue us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 61000000 61 false false 2 false true 73000000 73 false false No definition available. No authoritative reference available. false 36 4 us-gaap_CommonStockValue us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 443000000 443 false false 2 false true 443000000 443 false false No definition available. No authoritative reference available. false 37 4 us-gaap_AdditionalPaidInCapital us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 70497000000 70497 false false 2 false true 70283000000 70283 false false No definition available. No authoritative reference available. false 38 4 us-gaap_CompensationAndBenefitsTrust us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true -333000000 -333 false false 2 false true -425000000 -425 false false No definition available. No authoritative reference available. false 39 4 us-gaap_TreasuryStockValue us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true -21632000000 -21632 false false 2 false true -57391000000 -57391 false false No definition available. No authoritative reference available. false 40 4 us-gaap_RetainedEarningsAccumulatedDeficit us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 40426000000 40426 false false 2 false true 49142000000 49142 false false No definition available. No authoritative reference available. false 41 4 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 552000000 552 false false 2 false true -4569000000 -4569 false false No definition available. No authoritative reference available. false 42 4 us-gaap_StockholdersEquity us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 90014000000 90014 false false 2 false true 57556000000 57556 false false No definition available. No authoritative reference available. true 43 4 us-gaap_MinorityInterest us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 432000000 432 false false 2 false true 184000000 184 false false No definition available. No authoritative reference available. false 44 4 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 90446000000 90446 false false 2 false true 57740000000 57740 false false No definition available. No authoritative reference available. true 45 4 us-gaap_LiabilitiesAndStockholdersEquity us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 true true 212949000000 212949 false false 2 true true 111148000000 111148 false false No definition available. No authoritative reference available. true false 2 41 false Millions UnKnown UnKnown false true