| SEGMENT AND GEOGRAPHIC INFORMATION (Tables)
 | 12 Months Ended | 
      
        | Dec. 31, 2011 | 
      
        | Segment Information | 
Segment information as of,
and for the years ended, December 31 is as follows (in
millions): 
  
 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | 2011 |  |  | 2010 |  |  | 2009 |  |  
| Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |  
| U.S. Domestic
Package |  | $ | 31,717 |  |  | $ | 29,742 |  |  | $ | 28,158 |  |  
| International
Package |  |  | 12,249 |  |  |  | 11,133 |  |  |  | 9,699 |  |  
| Supply Chain &
Freight |  |  | 9,139 |  |  |  | 8,670 |  |  |  | 7,440 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Consolidated |  | $ | 53,105 |  |  | $ | 49,545 |  |  | $ | 45,297 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Operating
Profit: |  |  |  |  |  |  |  |  |  |  |  |  |  
| U.S. Domestic
Package |  | $ | 3,764 |  |  | $ | 3,238 |  |  | $ | 1,919 |  |  
| International
Package |  |  | 1,709 |  |  |  | 1,831 |  |  |  | 1,279 |  |  
| Supply Chain &
Freight |  |  | 607 |  |  |  | 572 |  |  |  | 310 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Consolidated |  | $ | 6,080 |  |  | $ | 5,641 |  |  | $ | 3,508 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  
| U.S. Domestic
Package |  | $ | 19,300 |  |  | $ | 18,425 |  |  | $ | 18,572 |  |  
| International
Package |  |  | 6,729 |  |  |  | 6,228 |  |  |  | 5,882 |  |  
| Supply Chain &
Freight |  |  | 6,588 |  |  |  | 6,283 |  |  |  | 6,620 |  |  
| Unallocated |  |  | 2,084 |  |  |  | 2,661 |  |  |  | 809 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Consolidated |  | $ | 34,701 |  |  | $ | 33,597 |  |  | $ | 31,883 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Depreciation and
Amortization Expense: |  |  |  |  |  |  |  |  |  |  |  |  |  
| U.S. Domestic
Package |  | $ | 1,154 |  |  | $ | 1,174 |  |  | $ | 1,064 |  |  
| International
Package |  |  | 474 |  |  |  | 443 |  |  |  | 500 |  |  
| Supply Chain &
Freight |  |  | 154 |  |  |  | 175 |  |  |  | 183 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Consolidated |  | $ | 1,782 |  |  | $ | 1,792 |  |  | $ | 1,747 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  | 
      
        | Revenue by Product Type | 
Revenue by
product type for the years ended December 31 is as follows (in
millions): 
  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | 2011 |  |  | 2010 |  |  | 2009 |  |  
| U.S. Domestic
Package: |  |  |  |  |  |  |  |  |  |  |  |  |  
| Next Day Air |  | $ | 6,229 |  |  | $ | 5,835 |  |  | $ | 5,456 |  |  
| Deferred |  |  | 3,299 |  |  |  | 2,975 |  |  |  | 2,859 |  |  
| Ground |  |  | 22,189 |  |  |  | 20,932 |  |  |  | 19,843 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Total U.S. Domestic
Package |  |  | 31,717 |  |  |  | 29,742 |  |  |  | 28,158 |  |  
| International
Package: |  |  |  |  |  |  |  |  |  |  |  |  |  
| Domestic |  |  | 2,628 |  |  |  | 2,365 |  |  |  | 2,111 |  |  
| Export |  |  | 9,056 |  |  |  | 8,234 |  |  |  | 7,176 |  |  
| Cargo |  |  | 565 |  |  |  | 534 |  |  |  | 412 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Total International
Package |  |  | 12,249 |  |  |  | 11,133 |  |  |  | 9,699 |  |  
| Supply Chain &
Freight: |  |  |  |  |  |  |  |  |  |  |  |  |  
| Forwarding and
Logistics |  |  | 6,103 |  |  |  | 6,022 |  |  |  | 5,080 |  |  
| Freight |  |  | 2,563 |  |  |  | 2,208 |  |  |  | 1,943 |  |  
| Other |  |  | 473 |  |  |  | 440 |  |  |  | 417 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Total Supply
Chain & Freight |  |  | 9,139 |  |  |  | 8,670 |  |  |  | 7,440 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  
| Consolidated |  | $ | 53,105 |  |  | $ | 49,545 |  |  | $ | 45,297 |  |  
|  |  |   |   |  |  |   |   |  |  |   |   |  |  | 
      
        | Geographic Information | 
Geographic information as
of, and for the years ended, December 31 is as follows (in
millions): 
  
 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  
|  |  | 2011 |  |  | 2010 |  |  | 2009 |  |  
| United States: |  |  |  |  |  |  |  |  |  |  |  |  |  
| Revenue |  | $ | 39,347 |  |  | $ | 36,795 |  |  | $ | 34,375 |  |  
| Long-lived
assets |  | $ | 16,085 |  |  | $ | 16,693 |  |  | $ | 17,336 |  |  
| International: |  |  |  |  |  |  |  |  |  |  |  |  |  
| Revenue |  | $ | 13,758 |  |  | $ | 12,750 |  |  | $ | 10,922 |  |  
| Long-lived
assets |  | $ | 5,220 |  |  | $ | 5,047 |  |  | $ | 4,935 |  |  
| Consolidated: |  |  |  |  |  |  |  |  |  |  |  |  |  
| Revenue |  | $ | 53,105 |  |  | $ | 49,545 |  |  | $ | 45,297 |  |  
| Long-lived
assets |  | $ | 21,305 |  |  | $ | 21,740 |  |  | $ | 22,271 |  |  |