| 
           TNT Termination (Details) 
         | 
        3 Months Ended | |
|---|---|---|
| 
           Mar. 31, 2013
 
          USD ($) 
         | 
        
           Mar. 31, 2013
 
          EUR (€) 
         | 
      |
| Business Combinations [Abstract] | ||
| Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount | $ 245,000,000 | |
| DeconsolidationRevaluationOfRetainedInvestmentGainOrLossAmountAfterTax | 213,000,000 | |
| OtherTransactionRelatedExpenses | 16,000,000 | |
| TotalTerminationFee(pretax) | 284,000,000 | |
| TotalTerminationFee(aftertax) | 177,000,000 | |
| Termination of Business Acquisition, Termination Fee | $ 268,000,000 | € 200,000,000 | 
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- Definition 
          DeconsolidationRevaluationOfRetainedInvestmentGainOrLossAmountAfterTax No definition available. 
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- Definition 
          OtherTransactionRelatedExpenses No definition available. 
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- Definition 
          Termination of Business Acquisition, Termination Fee No definition available. 
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- Definition 
          TotalTerminationFee(aftertax) No definition available. 
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- Definition 
          TotalTerminationFee(pretax) No definition available. 
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- Details 
          
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- Definition 
          In connection with deconsolidation of a subsidiary or derecognition of a group of assets, the portion of any gain (loss) recognized by the parent, during the period, which is related to the remeasurement of any retained investment in the former subsidiary or group of assets to its fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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