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Debt - Narrative (Details) - USD ($)
12 Months Ended
Apr. 26, 2021
Apr. 25, 2021
Dec. 31, 2021
Sep. 30, 2021
Dec. 31, 2020
Aug. 13, 2020
Nov. 26, 2019
Jun. 30, 2018
Debt Instrument [Line Items]                
Annual long term debt maturity year 2022     $ 0          
Annual long term debt maturity year 2023     0          
Annual long term debt maturity year 2024     0          
Annual long term debt maturity year 2025     696,000,000          
Annual long term debt maturity year 2026     0          
Annual long term debt maturity thereafter     $ 3,400,000,000          
Ratio of indebtedness to cash flow     4          
Revolving Credit Facility                
Debt Instrument [Line Items]                
Additional borrowing capacity     $ 500,000,000          
Five-year Revolving Credit Facility | Revolving Credit Facility                
Debt Instrument [Line Items]                
Maximum borrowing capacity $ 1,500,000,000              
Credit facility term 5 years              
Commitment fee ratio     0.09%          
Five-year Revolving Credit Facility | Revolving Credit Facility Due 2022                
Debt Instrument [Line Items]                
Maximum borrowing capacity               $ 1,500,000,000
Previous Credit Facility | Revolving Credit Facility                
Debt Instrument [Line Items]                
Maximum borrowing capacity   $ 1,200,000,000            
Credit facility term   5 years            
Short-term debt   $ 0            
1.25% Senior Notes, due 2030 | Senior Notes                
Debt Instrument [Line Items]                
Debt face amount           $ 600,000,000    
Interest rate (as a percent)     1.25%     1.25%    
2.3% Senior Notes, due 2060 | Senior Notes                
Debt Instrument [Line Items]                
Debt face amount           $ 700,000,000    
Interest rate (as a percent)     2.30%     2.30%    
4.4% Senior Notes, due 2026 | Senior Notes                
Debt Instrument [Line Items]                
Debt face amount       $ 900,000,000        
Interest rate (as a percent)       4.40%        
6.55% Senior Notes, due 2037 | Senior Notes                
Debt Instrument [Line Items]                
Debt face amount         $ 400,000,000      
Interest rate (as a percent)     6.55% 6.55% 6.55%      
4.5% Senior Notes, due 2048 | Senior Notes                
Debt Instrument [Line Items]                
Interest rate (as a percent)     4.50% 4.50%        
2.5% Senior Notes, due 2029 | Senior Notes                
Debt Instrument [Line Items]                
Debt face amount             $ 500,000,000  
Interest rate (as a percent)     2.50%       2.50%  
3.25% Senior Notes, due 2049 | Senior Notes                
Debt Instrument [Line Items]                
Debt face amount             $ 600,000,000  
Interest rate (as a percent)     3.25%       3.25%  
3.3% Senior Notes, due 2020 | Senior Notes                
Debt Instrument [Line Items]                
Debt face amount         $ 700,000,000      
Interest rate (as a percent)         3.30%