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BORROWINGS Part 2 (Details) Credit Facility and Commercial Paper Borrowings - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Credit Facilities [Abstract]        
Borrowings due within one year $ 702   $ 702 $ 171
Line of Credit Facility, Maximum Month-end Outstanding Amount   $ 0    
Revolving Credit Facility [Member]        
Credit Facilities [Abstract]        
Line of Credit Facility, Maximum Month-end Outstanding Amount   $ 400    
Repayments of Lines of Credit 400      
Line of Credit Facility, Expiration Date     Oct. 31, 2023  
Line of Credit Facility, Maximum Borrowing Capacity 1,500   $ 1,500  
Commercial Paper [Member]        
Credit Facilities [Abstract]        
Commercial Paper $ 268   $ 268 $ 170
Debt, Weighted Average Interest Rate 0.53%   0.53% 2.03%
A/R Facility [Member]        
Credit Facilities [Abstract]        
Credit Facility, Borrowing Capacity $ 250   $ 250  
Line of Credit Facility, Maximum Month-end Outstanding Amount     0  
Proceeds from Lines of Credit     350  
Repayments of Lines of Credit     $ 350  
Line of Credit Facility, Expiration Date     Apr. 30, 2020  
364-Day Term Loan [Member]        
Credit Facilities [Abstract]        
Borrowings due within one year 250   $ 250  
Short-term Debt, Average Outstanding Amount $ 249      
Short-term Debt, Weighted Average Interest Rate, at Point in Time 2.75%   2.75%