|**Accumulated Other Comprehensive Loss, Excluding Noncontrolling Interests**                  | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
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|**Equity [Abstract]**                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Accumulated Other Comprehensive Loss, Excluding Noncontrolling Interests                      | Accumulated Other Comprehensive Loss, Excluding Noncontrolling InterestsThe following table provides the changes, net of tax, inAccumulated other comprehensive loss:Net Unrealized Gains/(Losses)Benefit Plans(MILLIONS OF DOLLARS)Foreign Currency Translation AdjustmentsDerivative Financial InstrumentsAvailable-For-Sale SecuritiesActuarial Gains/(Losses)Prior Service (Costs)/Credits and OtherAccumulated Other Comprehensive LossBalance, December 31, 2015$(5,863)$421$(227)$(4,733)$880$(9,522)Other comprehensive income/(loss)(a)598(571)3991969630Balance, July 3, 2016$(5,265)$(150)$172$(4,538)$889$(8,891)(a)Amounts do not include foreign currency translation adjustments attributable to noncontrolling interests of$1 millionloss for the firstsix monthsof2016.As ofJuly 3, 2016, with respect to derivative financial instruments, the amount of unrealized pre-tax losses estimated to be reclassified into income within the next 12 months is$79 million(which is expected to be offset primarily by gains resulting from reclassification adjustments related to foreign currency exchange-denominated intercompany sales).
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|The following table provides the changes, net of tax, inAccumulated other comprehensive loss:
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|(MILLIONS OF DOLLARS)                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Balance, December 31, 2015                                                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Other comprehensive income/(loss)(a)                                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Balance, July 3, 2016                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
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|(a)                                                                                           | Amounts do not include foreign currency translation adjustments attributable to noncontrolling interests of$1 millionloss for the firstsix monthsof2016.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 

X- DefinitionThe entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.
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