Annual report pursuant to Section 13 and 15(d)

DEBT AND BORROWING ARRANGEMENTS (Details)

v3.10.0.1
DEBT AND BORROWING ARRANGEMENTS (Details)
SFr in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2017
CHF (SFr)
Dec. 31, 2016
Short-term Debt [Line Items]        
Extinguishment of long-term debt $ 3,276      
Commercial paper borrowings outstanding $ 13,063 $ 12,931    
Weighted-average interest rates for commercial paper outstanding (as a percent) 2.60% 1.40%    
Line of Credit Facility $ 10,483      
Lines of credit for general corporate purposes 7,895      
International        
Short-term Debt [Line Items]        
Line of Credit Facility $ 131      
Total principal notes due October 2, 2017 [Domain]        
Short-term Debt [Line Items]        
Extinguishment of long-term debt | SFr     SFr 200  
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate   0.00%    
Total principal notes dues October 27, 2017 [Domain]        
Short-term Debt [Line Items]        
Extinguishment of long-term debt   $ 750    
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate   0.875%    
Total principal notes due November 16, 2017 [Domain]        
Short-term Debt [Line Items]        
Basis spread on variable rate used (as a percent)   0.05% 0.05% 0.05%
Extinguishment of long-term debt   $ 225