| ACQUISITIONS & DISPOSITIONS (Tables) | 12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summarizes Carrying Values of Assets and Liabilities Classified as Held for Sale | 
The following table summarizes the carrying values of the assets and liabilities divested (in millions): 
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| Schedule of Fair Value of Assets and Liabilities Acquired | The following table summarizes the final purchase price allocations (in millions):  
 
(1)    Includes $64 million for acquisitions of development areas for The UPS Store.
 The following table summarizes the final purchase price allocations (in millions): 
 
(1)    Includes $113 million for acquisitions of development areas for The UPS Store.
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- References No definition available. 
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- Definition Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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