v3.25.2
Debt (Outstanding Debt) (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Nov. 30, 2024
Feb. 29, 2024
Debt Instrument [Line Items]        
Commercial paper $ 150,000,000 $ 0    
Current portion of long-term debt 619,000,000 519,000,000    
Short-term debt 769,000,000 519,000,000    
Long-term debt 19,579,000,000 19,947,000,000    
Long-term debt, net 18,960,000,000 19,428,000,000    
Senior notes – 3.50% due 2025        
Debt Instrument [Line Items]        
Long-term debt $ 0 500,000,000    
Interest rate (as a percent) 3.50%      
Senior notes – 1.349% due 2026        
Debt Instrument [Line Items]        
Long-term debt $ 654,000,000 579,000,000    
Interest rate (as a percent) 1.349%      
Senior notes – 3.75% due 2026        
Debt Instrument [Line Items]        
Long-term debt $ 600,000,000 599,000,000    
Interest rate (as a percent) 3.75%      
Senior notes – 4.550% due 2027        
Debt Instrument [Line Items]        
Long-term debt $ 945,000,000 945,000,000    
Interest rate (as a percent) 4.55%   4.55%  
Senior notes – Floating due 2027        
Debt Instrument [Line Items]        
Long-term debt $ 298,000,000 299,000,000    
Senior notes – 4.375% due 2029        
Debt Instrument [Line Items]        
Long-term debt $ 1,499,000,000 1,499,000,000    
Interest rate (as a percent) 4.375%      
Senior notes – 1.979% due 2030        
Debt Instrument [Line Items]        
Long-term debt $ 630,000,000 566,000,000    
Interest rate (as a percent) 1.979%      
Senior notes – 2.25% due 2030        
Debt Instrument [Line Items]        
Long-term debt $ 743,000,000 742,000,000    
Interest rate (as a percent) 2.25%      
Senior notes – 4.65% due 2030        
Debt Instrument [Line Items]        
Long-term debt $ 991,000,000 991,000,000    
Interest rate (as a percent) 4.65%      
Senior notes – 2.375% due 2031        
Debt Instrument [Line Items]        
Long-term debt $ 398,000,000 397,000,000    
Interest rate (as a percent) 2.375%      
Senior notes – 4.850% due 2031        
Debt Instrument [Line Items]        
Long-term debt $ 992,000,000 992,000,000    
Interest rate (as a percent) 4.85%   4.85%  
Senior notes – 5.750% due 2032        
Debt Instrument [Line Items]        
Long-term debt $ 494,000,000 494,000,000    
Interest rate (as a percent) 5.75%      
Senior notes – 5.875% due 2033        
Debt Instrument [Line Items]        
Long-term debt $ 299,000,000 299,000,000    
Interest rate (as a percent) 5.875%      
Senior notes – 5.400% due 2033        
Debt Instrument [Line Items]        
Long-term debt $ 593,000,000 593,000,000    
Interest rate (as a percent) 5.40%      
Senior notes – 5.150% due 2034        
Debt Instrument [Line Items]        
Long-term debt $ 496,000,000 495,000,000    
Interest rate (as a percent) 5.15%     5.15%
Senior notes – 5.00% due 2035        
Debt Instrument [Line Items]        
Long-term debt $ 1,982,000,000 1,982,000,000    
Interest rate (as a percent) 5.00%      
Senior notes – 4.75% due 2039        
Debt Instrument [Line Items]        
Long-term debt $ 496,000,000 496,000,000    
Interest rate (as a percent) 4.75%      
Senior notes – 5.35% due 2044        
Debt Instrument [Line Items]        
Long-term debt $ 494,000,000 495,000,000    
Interest rate (as a percent) 5.35%      
Senior notes – 4.35% due 2047        
Debt Instrument [Line Items]        
Long-term debt $ 494,000,000 494,000,000    
Interest rate (as a percent) 4.35%      
Senior notes – 4.20% due 2048        
Debt Instrument [Line Items]        
Long-term debt $ 594,000,000 593,000,000    
Interest rate (as a percent) 4.20%      
Senior notes – 4.90% due 2049        
Debt Instrument [Line Items]        
Long-term debt $ 1,239,000,000 1,239,000,000    
Interest rate (as a percent) 4.90%      
Senior notes – 2.90% due 2051        
Debt Instrument [Line Items]        
Long-term debt $ 346,000,000 346,000,000    
Interest rate (as a percent) 2.90%      
Senior notes – 6.25% due 2052        
Debt Instrument [Line Items]        
Long-term debt $ 492,000,000 491,000,000    
Interest rate (as a percent) 6.25%      
Senior notes – 5.450% due 2053        
Debt Instrument [Line Items]        
Long-term debt $ 591,000,000 591,000,000    
Interest rate (as a percent) 5.45%      
Senior notes – 5.700% due 2053        
Debt Instrument [Line Items]        
Long-term debt $ 989,000,000 989,000,000    
Interest rate (as a percent) 5.70%      
Senior notes – 5.450% due 2054        
Debt Instrument [Line Items]        
Long-term debt $ 493,000,000 493,000,000    
Interest rate (as a percent) 5.45%     5.45%
Senior notes – 5.40% due 2055        
Debt Instrument [Line Items]        
Long-term debt $ 1,479,000,000 1,479,000,000    
Interest rate (as a percent) 5.40%      
Mortgage – 5.70% due 2035        
Debt Instrument [Line Items]        
Long-term debt $ 257,000,000 267,000,000    
Interest rate (as a percent) 5.70%      
Other        
Debt Instrument [Line Items]        
Long-term debt $ 1,000,000 $ 2,000,000