2007
Derivative, Name [Domain]Cash Flow Hedge, Foreign Currency Forward and Option Contracts [Member]Derivative [Line Items]
Derivative, Type of Instrumentforeign exchange forward contracts, options and swaps
Derivative, Underlying RiskForeign Exchange Rate Risk
Derivative, Description of Objectiveto hedge against the effect of exchange rate fluctuations on cash flows denominated in foreign currencies and certain intercompand financing transactions.
Derivative, Hedge DesignationCash Flow Hedge
Derivative, Description of Hedged Itemcash flows denominated in foreign currencies and certain intercompany financing transactions
Derivative, Remaining MaturityAt December 31, 2007, the Company had various open foreign exchange forward and option contracts, the majority of which had maturities of one year or less.
Maximum Length of Time Hedged in Cash Flow HedgeThe maximum length of time over which 3M is hedging its exposure to the variability in future cash flows for a majority of the forecasted transactions is 12 months.
Discussion of Effect of Hedges on Results of OperationsReclassification of Cash Flow Hedge Gain (Loss) [Abstract]
Description of Reclassification of Cash Flow Hedge Gain (Loss)The settlement or extension of these derivatives will result in reclassifications to earnings in the period during which the hedged transactions affect earnings (from other comprehensive income).
Hedge Ineffectiveness is Immaterial AssertionHedge ineffectiveness was not material for the years 2007, 2006 and 2005.
Cash Flow Hedge, Commodity Price Management [Member]Derivative [Line Items]
Derivative, Type of Instrumentcommodity price swaps
Derivative, Underlying RiskOverall Price Risk
Derivative, Description of Objectivecash flow hedges of forecasted transactions to manage price volatility.
Derivative, Hedge DesignationNo Hedge Designation
Derivative, Description of Hedged ItemThe Company manages commodity price risks through negotiated suppply contracts, price protection agreements and forward physical contracts. The Company uses commodity price swaps as cash flow hedges of forecasted transactions.
Maximum Length of Time Hedged in Cash Flow Hedge3M has hedged its exposure to the variability of future cash flows for certain forecasted transactions through 2008.
Description of Hedge Accounting MethodDescription of Location of Gain (Loss) on Hedge in Financial StatementsThe related mark-to-market gain or loss on qualifying hedges is included in other comprehensive income to the extent effective.
Discussion of Effect of Hedges on Results of OperationsReclassification of Cash Flow Hedge Gain (Loss) [Abstract]
Description of Reclassification of Cash Flow Hedge Gain (Loss)The related mark-to-market gain or loss on qualifying hedges is reclassified into cost of sales in the period during which the hedged transactions affects earnings.
Hedge Ineffectiveness is Immaterial AssertionNo significant commodity cash flow hedges were discontinued and hedge ineffectiveness was not material during the years 2007, 2006 and 2005.
Cash Flow Hedge, Forecasted Debt Issuance [Member]Derivative [Line Items]
Derivative, Type of Instrumentfloating-to-fixed interest rate swap
Derivative, Underlying RiskInterest Rate Risk
Derivative, Description of Objectivepre-issuance cash flow hedge
Derivative, Hedge DesignationNo Hedge Designation
Derivative, Description of Hedged Itema pre-issuance cash flow hedge related to the anticated July 2007 Eurobond issuance of 750 million Euros.
Derivative, Notional Amount350,000,000
Derivative, Amount of Hedged Item750,000,000
Derivative, Inception Month and YearJune 2007
Derivative, Average Remaining MaturityUpon debt issuance in July 2007, 3M terminated the floating-to-fixed swap.
Derivative, Termination Month and YearUpon debt issuance in July 2007
Description of Hedge Accounting MethodDescription of Location of Gain (Loss) on Hedge in Financial StatementsThe termination of the swap resulted in an immaterial gain, which is being amortized over the seven year life of the Eurobond.
Hedge Ineffectiveness is Immaterial AssertionThe termination of the swap resulted in an immaterial gain, which is being amortized over the seven year life of the Eurobond.
Cash Flow Hedges [Member]Derivative [Line Items]
Discussion of Effect of Hedges on Results of OperationsReclassification of Cash Flow Hedge Gain (Loss) [Abstract]
Description of Reclassification of Cash Flow Hedge Gain (Loss)At December 31, 2007, the Company expects to reclassify to earnings over the next 12 months a majority of the cash flow hedging instruments after-tax loss of $28 million (with the impact offset by cash flows from underlying hedged items).
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months(28,000,000)
Fair Value Hedge, Interest Rate Swap, $330 Million [Member]Derivative [Line Items]
Derivative, Type of Instrumentfixed to floating interest rate swap
Derivative, Underlying RiskInterest Rate Risk
Derivative, Description of Objectivefair value hedge of underlying 30-year bond due in 2028
Derivative, Hedge DesignationFair Value Hedge
Derivative, Description of Hedged Item30-year bond due in 2028
Derivative, Notional Amount330,000,000
Derivative, Inception Month and YearJune 2006
Derivative, Termination Month and YearMarch 2007
Derivative, Type of Interest Rate Paid on SwapVariable
Description of Hedge Accounting MethodDescription of Location of Gain (Loss) on Hedge in Financial Statementsresulting gain will be recognized over the remaining life of the underlying debt
Hedge Ineffectiveness is Immaterial AssertionThe termination of the swap did not have a material impace on 3M's consolidated results or its operations or financial condition.
Fair Value Hedge, Interest Rate Swap, $400 Million [Member]Derivative [Line Items]
Derivative, Description of TermsAs indicated in Note 10,
Derivative, Type of Instrumentfixed to floating interest rate swap
Derivative, Underlying RiskInterest Rate Risk
Derivative, Description of Objectivefair value hedge of underlying three-year medium-term note due in 2009
Derivative, Hedge DesignationFair Value Hedge
Derivative, Description of Hedged Itemthe issuance of the three-year medium-term note due in 2009
Derivative, Notional Amount400,000,000
Derivative, Inception Month and YearNovember 2006
Derivative, Type of Interest Rate Paid on SwapVariable
Description of Hedge Accounting MethodDescription of Location of Gain (Loss) on Hedge in Financial StatementsThe mark-to-market of these fair value hedges is recorded as gains or losses in Interest expense and is offset by the gain or loss on the underlying debt instrument, which is also recorded in interest expense.
Hedge Ineffectiveness is Immaterial AssertionThese fair value hedges are 100% effective and, thus, there is no impact on earnings due to hedge ineffectiveness.
Fair Value Hedge, Interest Rate Swap, 400 Million Euros [Member]Derivative [Line Items]
Derivative, Description of TermsAs indicated in Note 10,
Derivative, Type of Instrumentfixed-to-floating interest rate swap
Derivative, Underlying RiskInterest Rate Risk
Derivative, Description of Objectivefair value hedge of a portion of the fixed interest rate Eurobond obligation
Derivative, Hedge DesignationFair Value Hedge
Derivative, Description of Hedged Itemthe issuance of a seven-year Eurobond for an amount of 750 million Euros
Derivative, Notional Amount400,000,000
Derivative, Amount of Hedged Item750,000,000
Derivative, Inception Month and YearJuly 2007
Derivative, Type of Interest Rate Paid on SwapVariable
Description of Hedge Accounting MethodDescription of Location of Gain (Loss) on Hedge in Financial StatementsThe mark-to-market of these fair value hedges is recorded as gains or losses in Interest expense and is offset by the gain or loss on the underlying debt instrument, which is also recorded in interest expense.
Hedge Ineffectiveness is Immaterial AssertionThese fair value hedges are 100% effective and, thus, there is no impact on earnings due to hedge ineffectiveness.
Fair Value Hedge, Interest Rate Swaps [Member]Derivative [Line Items]
Derivative, Description of TermsThe Company manages interest expense using a mixture of fixed and floating rate debt. To help manage borrowing costs, the Company may enter into interest rate swaps. Under these arrangements, the Company agrees to exchange, at specified intervals, the difference between fixed and floating interest amounts calculated by reference to an agree-upon notional principal amount.
Derivative, Type of Instrumentinterest rate swaps
Derivative, Underlying RiskInterest Rate Risk
Derivative, Description of Objectiveto help manage borrowing costs
Derivative, Hedge DesignationFair Value Hedge
Derivative, Description of Hedged Itemfair value hedges of underlying fixed rate obligations.
Derivative, Fair Value of Derivative, Net36,000,000
Net Investment Activity Hedge, Cross Currency Swap, $300 Million [Member]Derivative [Line Items]
Derivative, Description of TermsThis swap converts U.S. dollar-based variable interest payments to yen-based variable interest payments associated with the notional amount.
Derivative, Type of Instrumentthree-year floating-to-floating cross currency swap
Derivative, Underlying RiskForeign Exchange Rate Risk
Derivative, Description of Objectivepartial hedge of the Company's net investments in its Japanese subsidiaries
Derivative, Hedge DesignationNo Hedge Designation
Derivative, Description of Hedged Itemthe Company's net investments in its Japanese subsidiaries
Derivative, Notional Amount300,000,000
Derivative, Inception Month and YearSeptember 2006
Derivative, Type of Interest Rate Paid on SwapVariable
Derivative, Currency BoughtYen
Derivative, Currency SoldUSD
Net Investment Activity Hedge, Cross Currency Swap, $200 Million [Member]Derivative [Line Items]
Derivative, Description of TermsThis swap converts U.S. dollar-based variable interest payments to Euro-based variable interest payments associated with the notional amount.
Derivative, Type of Instrumentthree-year floating-to-floating cross currency swap
Derivative, Underlying RiskForeign Exchange Rate Risk
Derivative, Description of Objectivepartial hedge of the Company's net investments in its European subsidiaries
Derivative, Hedge DesignationNo Hedge Designation
Derivative, Description of Hedged Itemthe Company's net investments in its European subsidiaries
Derivative, Notional Amount200,000,000
Derivative, Inception Month and YearNovember 2006
Derivative, Type of Interest Rate Paid on SwapVariable
Derivative, Currency BoughtEuros
Derivative, Currency SoldUSD
Net Investment Activity Hedge, Foreign Currency Forward Contract, $556 Million [Member]Derivative [Line Items]
Derivative, Description of TermsThis swap converts U.S. dollar-based variable interest payments to Euro-based variable interest payments associated with the notional amount.
Derivative, Type of Instrumentforeign currency forward contract
Derivative, Underlying RiskForeign Exchange Rate Risk
Derivative, Description of Objectivehedge portions of the Company's net investment in its European subsidiaries
Derivative, Hedge DesignationNo Hedge Designation
Derivative, Description of Hedged Itemthe Company's net investment in its European subsidiaries
Derivative, Notional Amount556,000,000
Derivative, Inception Month and YearDecember 2006
Derivative, Maturity Month and YearDecember 2007
Net Investment Activity Hedge, Foreign Currency Forward Contract, $209 Million [Member]Derivative [Line Items]
Derivative, Description of TermsThis swap converts U.S. dollar-based variable interest payments to Euro-based variable interest payments associated with the notional amount.
Derivative, Type of Instrumentforeign currency forward contract
Derivative, Underlying RiskForeign Exchange Rate Risk
Derivative, Description of Objectivehedge portionf of the Company'snet investment in its Japanese subsidiaries
Derivative, Hedge DesignationNo Hedge Designation
Derivative, Description of Hedged Itemthe Company'snet investment in its Japanese subsidiaries
Derivative, Notional Amount209,000,000
Derivative, Inception Month and YearDecember 2006
Derivative, Maturity Month and YearDecember 2007
Net Investment Activity Hedge, Eurobond Securities, 750 Million Euros [Member]Derivative [Line Items]
Derivative, Description of Termsas discussed in note 10
Derivative, Type of InstrumentSeven-year fixed rate Eurobond securities
Derivative, Underlying RiskForeign Exchange Rate Risk
Derivative, Description of Objectivehedging of the Company's net investments in its European subsidiaries
Derivative, Hedge DesignationNet Investment Hedge
Derivative, Description of Hedged Itemthe Company's net investment in it European subsidiaries
Derivative, Notional Amount750,000,000
Derivative, Inception Month and YearJuly 2007
Net Investment Activity Hedge, Eurobond Securities, 275 Million Euros [Member]Derivative [Line Items]
Derivative, Description of Termsas discussed in note 10
Derivative, Type of InstrumentSeven-year fixed rate Eurobond securities
Derivative, Underlying RiskForeign Exchange Rate Risk
Derivative, Description of Objectiverelative to the Company's net investment in its European subsidiaries
Derivative, Hedge DesignationNet Investment Hedge
Derivative, Description of Hedged Itemthe Company's net investment in it European subsidiaries
Derivative, Notional Amount275,000,000
Derivative, Inception Month and YearDecember 2007
Net Investment Activity Hedge, Foreign Currency Forward Contract, $200 Million [Member]Derivative [Line Items]
Derivative, Type of Instrumentforeign currency forward contracts
Derivative, Underlying RiskForeign Exchange Rate Risk
Derivative, Description of Objectiverelative to the Company'snet investment in its Japanese subsidiaries
Derivative, Hedge DesignationNo Hedge Designation
Derivative, Description of Hedged Itemthe Company's net investment in its Chinese subsidiaries
Derivative, Notional Amount200,000,000
Derivative, Inception Month and YearNovember and December 2007
Derivative, Maturity Month and YearDecember 2008
Net Investment Activity Hedges [Member]Derivative [Line Items]
Derivative, Type of Instrumentcross currency swaps, forwards and foreign currency denominated debt
Derivative, Underlying RiskForeign Exchange Rate Risk
Derivative, Description of Objectivehedge portions of the Company's net investment in its foreign operations
Derivative, Description of Hedged Itemthe Company's net investment in its foreign operations
Description of Hedge Accounting MethodDescription of Location of Gain (Loss) on Hedge in Financial StatementsFor hedges that meet the effectiveness requirements, the net gain or losses attributable to changes in spot exchange rates are recorded in cumulative translation within other comprehensive income. The remainder of the change in value of such investments is recorded in earnings.
Translation Adjustment for Net Investment Hedge, Net of Tax(28,000,000)