Annual report pursuant to Section 13 and 15(d)

DEBT (Details)

v3.10.0.1
DEBT (Details)
$ in Millions
12 Months Ended
Aug. 22, 2018
USD ($)
Dec. 31, 2018
USD ($)
Rate
Dec. 31, 2017
USD ($)
Rate
Dec. 31, 2016
USD ($)
Rate
Sep. 05, 2017
USD ($)
Nov. 13, 2015
USD ($)
Sep. 19, 2013
USD ($)
Rate
Debt Instruments              
Loans payable   $ 54 $ 57        
Weighted average interest rate (as a percent) | Rate   4.66% 3.01% 4.20%      
Line of Credit Facility, Maximum Borrowing Capacity   $ 3,500          
Commercial paper   $ 780 $ 298        
Leverage ratio   0.65          
Line of credit facility, remaining borrowing capacity   $ 2,720          
Other Long-term Debt   64 76        
Unamortized discount   (52) (54)        
Fair value adjustment due to hedge on indebtedness   25 35        
Capital leases   132 121        
Total long-term debt   1,642 1,651        
Less: Current maturities of long-term debt   45 63        
Long-term debt   1,597 1,588        
Total interest incurred   116 85 $ 75      
Interest capitalized   2 4 6      
Principal payments required on long-term debt              
2019   45          
2020   13          
2021   39          
2022   9          
2023   506          
Fair value              
Fair value of total debt [1]   2,679 2,301        
Carrying value of total debt   2,476 2,006        
Senior Notes, 3.65%, due 2023              
Debt Instruments              
Unsecured Debt   $ 500 500        
Debt instrument interest rate (as a percent) | Rate   3.65%          
Debentures, 6.75%, due 2027              
Debt Instruments              
Unsecured Debt   $ 58 58        
Debt instrument interest rate (as a percent) | Rate   6.75%          
Debentures, 7.125%, due 2028              
Debt Instruments              
Unsecured Debt   $ 250 250        
Debt instrument interest rate (as a percent) | Rate   7.125%          
Senior Notes 4.875 Percent, Due 2043              
Debt Instruments              
Unsecured Debt   $ 500 500        
Debt instrument interest rate (as a percent) | Rate   4.875%          
Debentures, 5.65%, due 2098 (effective interest rate 7.48%)              
Debt Instruments              
Unsecured Debt   $ 165 165        
Debt instrument interest rate (as a percent) | Rate   5.65%          
Effective interest rate (as a percent) | Rate   7.48%          
Interest rate contracts | Senior Notes, 3.65%, due 2023              
Debt Instruments              
Unsecured Debt             $ 500
Debt instrument interest rate (as a percent) | Rate             3.65%
London Interbank Offered Rate (LIBOR) | Interest rate contracts | Senior Notes, 3.65%, due 2023              
Debt Instruments              
Debt Instrument, Description of Variable Rate Basis   one-month LIBOR          
Interest Expense | Interest rate contracts              
Other debt disclosure              
Gain/(Loss) on Swaps [2]   $ (8) (7) (8)      
Gain/(Loss) on Borrowings [2]   $ 7 $ 8 $ 12      
Commercial Paper              
Debt Instruments              
Weighted average interest rate (as a percent) | Rate   2.59% 1.56% 0.79%      
Line of Credit Facility, Maximum Borrowing Capacity   $ 3,500          
International and other domestic short-term credit facilities              
Debt Instruments              
Line of credit facility, remaining borrowing capacity   $ 237          
5-year revolving credit agreement              
Debt Instruments              
Line of Credit Facility, Maximum Borrowing Capacity $ 2,000         $ 1,750  
Revolving credit facility amount available for swingline loans $ 300            
Debt Instrument, Description of Variable Rate Basis   LIBOR          
Percentage added to reference rate to compute the variable interest rate | Rate   0.75%          
Debt Instrument, Term 5 years            
1-year revolving credit agreement              
Debt Instruments              
Line of Credit Facility, Maximum Borrowing Capacity $ 1,500       $ 1,000    
Revolving credit facility amount available for swingline loans $ 150            
Debt Instrument, Term 364 days            
[1] The fair value of debt is derived from Level 2 inputs.
[2] The difference between the gain/(loss) on swaps and borrowings represents hedge ineffectiveness.