v3.20.4
Debt (Details)
1 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2020
USD ($)
Nov. 14, 2019
USD ($)
May 31, 2019
USD ($)
Dec. 31, 2015
EUR (€)
Aggregate principal amount   $ 8,600,000,000   $ 12,775,000,000      
Less: Unamortized discount and debt issuance costs   (73,000,000)   (103,000,000)      
Total debt outstanding   8,527,000,000   12,672,000,000      
Current portion of long-term debt   0   (649,000,000)      
Long-term debt   8,527,000,000   12,023,000,000      
2021       650,000,000      
2022       859,000,000      
2023       0      
2024       1,000,000,000      
2025       750,000,000      
Thereafter       9,516,000,000      
Total   8,600,000,000   12,775,000,000      
Commercial Paper Program       6,000,000,000 $ 4,500,000,000    
Revolving Credit Facility              
Credit Facility       $ 6,000,000,000      
Senior Notes              
Proceeds from issuance of long-term debt $ 3,959,000,000            
Senior Notes | 2015 issued Euro Notes maturing in 2027              
Debt instrument stated rate (percent)       3.30%      
Aggregate principal amount   0   $ 1,000,000,000      
Debt issued 1,000,000,000            
Effective interest rate (percent)       3.42%      
Total   0   $ 1,000,000,000      
Senior Notes | 2015 issued Euro Notes maturing in 2030              
Debt instrument stated rate (percent)       3.35%      
Aggregate principal amount   0   $ 1,500,000,000      
Debt issued 1,500,000,000            
Effective interest rate (percent)       3.43%      
Total   0   $ 1,500,000,000      
Senior Notes | Senior Notes due March 2050              
Debt instrument stated rate (percent)       3.85%      
Aggregate principal amount   0   $ 1,500,000,000      
Debt issued $ 1,500,000,000            
Effective interest rate (percent)       3.896%      
Total   0   $ 1,500,000,000      
Senior Notes | Senior Notes due June 2029              
Debt instrument stated rate (percent)       2.95%      
Aggregate principal amount   1,000,000,000   $ 1,000,000,000      
Debt issued           $ 1,000,000,000  
Effective interest rate (percent)       3.03%      
Total   1,000,000,000   $ 1,000,000,000      
Senior Notes | Senior Notes due June 2049              
Debt instrument stated rate (percent)       3.65%      
Aggregate principal amount   1,000,000,000   $ 1,000,000,000      
Debt issued           $ 1,000,000,000  
Effective interest rate (percent)       3.689%      
Total   1,000,000,000   $ 1,000,000,000      
Senior Notes | Senior Notes due March 2025              
Debt instrument stated rate (percent)       2.00%      
Aggregate principal amount   750,000,000   $ 750,000,000      
Debt issued   750,000,000          
Effective interest rate (percent)       2.147%      
Total   750,000,000   $ 750,000,000      
Senior Notes | Senior Notes due February 2028              
Debt instrument stated rate (percent)       3.50%      
Aggregate principal amount   500,000,000   $ 500,000,000      
Effective interest rate (percent)       3.598%      
Total   500,000,000   $ 500,000,000      
Senior Notes | Senior Notes due February 2048              
Debt instrument stated rate (percent)       3.95%      
Aggregate principal amount   500,000,000   $ 500,000,000      
Effective interest rate (percent)       3.99%      
Total   500,000,000   $ 500,000,000      
Senior Notes | 2016 issued USD Notes maturing in 2021              
Debt instrument stated rate (percent)       2.00%      
Aggregate principal amount   650,000,000   $ 650,000,000      
Effective interest rate (percent)       2.236%      
Total   650,000,000   $ 650,000,000      
Senior Notes | 2016 issued USD Notes maturing in 2026              
Debt instrument stated rate (percent)       2.95%      
Aggregate principal amount   750,000,000   $ 750,000,000      
Effective interest rate (percent)       3.044%      
Total   750,000,000   $ 750,000,000      
Senior Notes | 2016 issued USD Notes maturing in 2046              
Debt instrument stated rate (percent)       3.80%      
Aggregate principal amount   600,000,000   $ 600,000,000      
Effective interest rate (percent)       3.893%      
Total   600,000,000   $ 600,000,000      
Senior Notes | 2015 issued Euro Notes maturing in 2022              
Debt instrument stated rate (percent)       1.10%      
Aggregate principal amount   785,000,000   $ 859,000,000      
Debt issued | €             € 1,650,000,000
Effective interest rate (percent)       1.265%      
Total   785,000,000   $ 859,000,000      
Senior Notes | Senior Notes due December 2027              
Debt instrument stated rate (percent)       2.10%      
Aggregate principal amount   896,000,000   $ 982,000,000      
Effective interest rate (percent)       2.189%      
Total   896,000,000   $ 982,000,000      
Senior Notes | Senior Notes due December 2030              
Debt instrument stated rate (percent)       2.50%      
Aggregate principal amount   169,000,000   $ 184,000,000      
Effective interest rate (percent)       2.562%      
Total   169,000,000   $ 184,000,000      
Senior Notes | 2014 issued USD Notes maturing in 2024              
Debt instrument stated rate (percent)       3.375%      
Aggregate principal amount   1,000,000,000   $ 1,000,000,000      
Effective interest rate (percent)       3.484%      
Total   1,000,000,000   $ 1,000,000,000      
Senior Notes | 2018 USD Notes              
Proceeds from issuance of long-term debt     $ 991,000,000        
Senior Notes | 2019 USD Notes [Member]              
Proceeds from issuance of long-term debt   $ 2,724,000,000