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Debt - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Oct. 24, 2022
Aug. 24, 2022
May 11, 2022
May 05, 2022
Sep. 30, 2021
Mar. 27, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]                  
Commercial paper borrowings             $ 0    
Reduction to stockholder's equity due to repurchases of common stock             7,900,000,000 $ 4,087,000,000 $ 1,100,000,000
Repayments of debt             2,250,000,000 500,000,000 1,650,000,000
Interest payments excluding capitalized interest             573,000,000 543,000,000 $ 567,000,000
Accelerated Share Repurchase Agreement                  
Debt Instrument [Line Items]                  
Reduction to stockholder's equity due to repurchases of common stock $ 4,000,000,000         $ 2,000,000,000      
Senior Notes                  
Debt Instrument [Line Items]                  
Amount of issued debt $ 4,000,000,000     $ 2,300,000,000          
Debt instrument, redemption price, percentage 100.00%     100.00%          
Extinguishment of debt, amount     $ 13,900,000            
Loss on extinguishment of debt     34,000,000            
Loss on extinguishment of debt, after tax     $ 26,000,000            
Extinguishment of debt, per share (in USD per share)     $ 0.10            
Five Year Revolving Credit Facility | Unsecured Debt | Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Line of credit facility   $ 3,000,000,000              
Debt instrument, term   5 years              
Line of credit facility, accordion feature, increase limit   $ 500,000,000              
Line of credit facility, accordion feature, higher borrowing capacity option   3,500,000,000              
Line of credit facility, unused borrowing capacity terminated   $ 3,000,000,000              
Line of credit facility, amount outstanding             $ 0 $ 0  
4.95% due 2025                  
Debt Instrument [Line Items]                  
Interest rate             4.95%    
4.95% due 2025 | Senior Notes                  
Debt Instrument [Line Items]                  
Amount of issued debt $ 500,000,000                
Interest rate 4.95%                
5.10% due 2027                  
Debt Instrument [Line Items]                  
Interest rate             5.10%    
5.10% due 2027 | Senior Notes                  
Debt Instrument [Line Items]                  
Amount of issued debt $ 750,000,000                
Interest rate 5.10%                
5.25% due 2033                  
Debt Instrument [Line Items]                  
Interest rate             5.25%    
5.25% due 2033 | Senior Notes                  
Debt Instrument [Line Items]                  
Amount of issued debt $ 1,000,000,000                
Interest rate 5.25%                
5.70% due 2054                  
Debt Instrument [Line Items]                  
Interest rate             5.70%    
5.70% due 2054 | Senior Notes                  
Debt Instrument [Line Items]                  
Amount of issued debt $ 1,000,000,000                
Interest rate 5.70%                
5.90% due 2063                  
Debt Instrument [Line Items]                  
Interest rate             5.90%    
5.90% due 2063 | Senior Notes                  
Debt Instrument [Line Items]                  
Amount of issued debt $ 750,000,000                
Interest rate 5.90%                
3.90% due 2032                  
Debt Instrument [Line Items]                  
Interest rate             3.90%    
3.90% due 2032 | Senior Notes                  
Debt Instrument [Line Items]                  
Amount of issued debt       $ 800,000,000          
Interest rate       3.90%          
4.15% due 2053                  
Debt Instrument [Line Items]                  
Interest rate             4.15%    
4.15% due 2053 | Senior Notes                  
Debt Instrument [Line Items]                  
Amount of issued debt       $ 850,000,000          
Interest rate       4.15%          
4.30% due 2062                  
Debt Instrument [Line Items]                  
Interest rate             4.30%    
4.30% due 2062 | Senior Notes                  
Debt Instrument [Line Items]                  
Amount of issued debt       $ 650,000,000          
Interest rate       4.30%          
3.10% due 2023                  
Debt Instrument [Line Items]                  
Interest rate             3.10%    
3.10% due 2023 | Senior Notes                  
Debt Instrument [Line Items]                  
Interest rate     3.10%            
Repayments of debt     $ 500,000,000            
2.90% due 2025                  
Debt Instrument [Line Items]                  
Interest rate             2.90%    
2.90% due 2025 | Senior Notes                  
Debt Instrument [Line Items]                  
Interest rate     2.90%            
Repayments of debt     $ 750,000,000            
3.55% due 2026                  
Debt Instrument [Line Items]                  
Interest rate             3.55%    
3.55% due 2026 | Senior Notes                  
Debt Instrument [Line Items]                  
Amount of issued debt     $ 2,000,000,000            
Interest rate     3.55%            
Repayments of debt     $ 1,000,000,000            
Long-Term Notes, Fixed Rate, 3.35% | Senior Notes                  
Debt Instrument [Line Items]                  
Interest rate         3.35%        
Repayments of long-term debt         $ 500,000,000