Annual report pursuant to Section 13 and 15(d)

RESTRUCTURING COSTS AND BUSINESS DISPOSITIONS - Additional Information (Detail)

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RESTRUCTURING COSTS AND BUSINESS DISPOSITIONS - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended 3 Months Ended
Dec. 31, 2011
Restructuring Charges
Apr. 30, 2010
Restructuring Charges
Location
Jan. 31, 2010
Restructuring Charges
Location
Dec. 31, 2010
Supply Chain & Freight
Dec. 31, 2010
Supply Chain & Freight
Specialized transportation and express freight business
Dec. 31, 2010
Supply Chain & Freight
UPS Logistics Technologies Inc
Mar. 31, 2010
U.S. Domestic Package
Restructuring and Related Cost [Abstract]              
Guarantee period for certain employee benefit payments (in years)       2 years      
Gain (Loss) on sale of business, pre-tax         $ (51) $ 71  
Gain (Loss) on sale of business, after tax         (47) 44  
Reduction in the number of regions We reduced our U.S. regions from five to three            
Number of regions   3 5        
Reduction in the number of districts we reduced our U.S. districts from 46 to 20            
Number of districts   20 46        
Restructuring charge related to reorganization of domestic management structure, pre tax             98
Restructuring charge related to reorganization of domestic management structure, after tax             $ 64