Annual report pursuant to Section 13 and 15(d)

BUSINESS ACQUISITIONS (Details)

v3.8.0.1
BUSINESS ACQUISITIONS (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Business Acquisition [Line Items]        
Goodwill recognized $ 3,872 $ 3,872 $ 3,757 $ 3,419
Weighted- Average Amortization Period (in years)   7 years 10 months 24 days    
Marken [Member]        
Business Acquisition [Line Items]        
Goodwill recognized 319 $ 319    
Intangible assets acquired 238 238    
Acquisition related costs 8      
U.S. Domestic Package        
Business Acquisition [Line Items]        
Goodwill recognized 715 715 715 715
Supply Chain & Freight        
Business Acquisition [Line Items]        
Goodwill recognized 2,722 $ 2,722 $ 2,635 $ 2,279
Customer relationships        
Business Acquisition [Line Items]        
Weighted- Average Amortization Period (in years)   10 years 9 months 18 days    
Customer relationships | Marken [Member]        
Business Acquisition [Line Items]        
Intangible assets acquired 219 $ 219    
Weighted- Average Amortization Period (in years)   12 years    
Trademarks [Member] | Marken [Member]        
Business Acquisition [Line Items]        
Intangible assets acquired 10 $ 10    
Weighted- Average Amortization Period (in years)   3 years    
Capitalized software        
Business Acquisition [Line Items]        
Weighted- Average Amortization Period (in years)   6 years 10 months 24 days    
Capitalized software | Marken [Member]        
Business Acquisition [Line Items]        
Intangible assets acquired 8 $ 8    
Capitalized software | Minimum        
Business Acquisition [Line Items]        
Amortization period of intangible assets acquired   7 years    
Capitalized software | Minimum | Marken [Member]        
Business Acquisition [Line Items]        
Weighted- Average Amortization Period (in years)   3 years    
Capitalized software | Maximum | Marken [Member]        
Business Acquisition [Line Items]        
Weighted- Average Amortization Period (in years)   5 years    
Other Intangible Assets | Marken [Member]        
Business Acquisition [Line Items]        
Intangible assets acquired $ 1 $ 1    
Weighted- Average Amortization Period (in years)   4 years    
Other Intangible Assets | Minimum        
Business Acquisition [Line Items]        
Amortization period of intangible assets acquired   2 years    
Other Intangible Assets | Maximum        
Business Acquisition [Line Items]        
Amortization period of intangible assets acquired   22 years