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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
shares in Millions, $ in Millions
Total
Common Shares/Stock Par
Treasury Shares/Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Income
Retained Earnings
Beginning balance (in shares) at Dec. 31, 2023   751        
Balance at beginning of period at Dec. 31, 2023 $ 13,039 $ 75 $ 0 $ 7,587 $ 11 $ 5,366
Beginning balance (in shares) at Dec. 31, 2023     0      
Increase (Decrease) in Stockholders' Equity            
Net income 352         352
Stock amortization and vesting 15     15    
Common stock repurchases (in shares)     6      
Common stock repurchases (157)   $ (157)      
Common stock retirements (in shares)   (6) (6)      
Common stock retirements 0   $ 157 (157)    
Cash dividends on common stock (160)         (160)
Ending balance (in shares) at Mar. 31, 2024   745        
Balance at end of period at Mar. 31, 2024 $ 13,089 $ 75 $ 0 7,445 11 5,558
Ending balance (in shares) at Mar. 31, 2024     0      
Increase (Decrease) in Stockholders' Equity            
Cash dividends on common stock (in dollars per share) $ 0.21          
Beginning balance (in shares) at Dec. 31, 2023   751        
Balance at beginning of period at Dec. 31, 2023 $ 13,039 $ 75 $ 0 7,587 11 5,366
Beginning balance (in shares) at Dec. 31, 2023     0      
Increase (Decrease) in Stockholders' Equity            
Net income 824          
Ending balance (in shares) at Sep. 30, 2024   736        
Balance at end of period at Sep. 30, 2024 13,034 $ 74 $ 0 7,233 11 5,716
Ending balance (in shares) at Sep. 30, 2024     0      
Beginning balance (in shares) at Mar. 31, 2024   745        
Balance at beginning of period at Mar. 31, 2024 13,089 $ 75 $ 0 7,445 11 5,558
Beginning balance (in shares) at Mar. 31, 2024     0      
Increase (Decrease) in Stockholders' Equity            
Net income 220         220
Exercise of stock options 1     1    
Stock amortization and vesting 16     16    
Common stock repurchases (in shares)     5      
Common stock repurchases (139)   $ (139)      
Common stock retirements (in shares)   (5) (5)      
Common stock retirements 0 $ (1) $ 139 (138)    
Cash dividends on common stock (158)         (158)
Ending balance (in shares) at Jun. 30, 2024   740        
Balance at end of period at Jun. 30, 2024 $ 13,029 $ 74 $ 0 7,324 11 5,620
Ending balance (in shares) at Jun. 30, 2024     0      
Increase (Decrease) in Stockholders' Equity            
Cash dividends on common stock (in dollars per share) $ 0.21          
Net income $ 252         252
Stock amortization and vesting 17     17    
Common stock repurchases (in shares)     4      
Common stock repurchases (108)   $ (108)      
Common stock retirements (in shares)   (4) (4)      
Common stock retirements 0   $ 108 (108)    
Cash dividends on common stock (156)         (156)
Ending balance (in shares) at Sep. 30, 2024   736        
Balance at end of period at Sep. 30, 2024 $ 13,034 $ 74 $ 0 7,233 11 5,716
Ending balance (in shares) at Sep. 30, 2024     0      
Increase (Decrease) in Stockholders' Equity            
Cash dividends on common stock (in dollars per share) $ 0.21          
Beginning balance (in shares) at Dec. 31, 2024 735 735        
Balance at beginning of period at Dec. 31, 2024 $ 13,122 $ 74 $ 0 7,179 12 5,857
Beginning balance (in shares) at Dec. 31, 2024     0      
Increase (Decrease) in Stockholders' Equity            
Net income 516         516
Issuance of common stock for acquisition (in shares)   28        
Issuance of common stock for acquisition 785 $ 2   783    
Stock amortization and vesting (in shares)   2        
Stock amortization and vesting (9)     (9)    
Common stock repurchases (in shares)     1      
Common stock repurchases (24)   $ (24)      
Common stock retirements (in shares)   (1) (1)      
Common stock retirements 0   $ 24 (24)    
Cash dividends on common stock (170)         (170)
Other comprehensive income (loss) 4       4  
Ending balance (in shares) at Mar. 31, 2025   764        
Balance at end of period at Mar. 31, 2025 $ 14,224 $ 76 $ 0 7,929 16 6,203
Ending balance (in shares) at Mar. 31, 2025     0      
Increase (Decrease) in Stockholders' Equity            
Cash dividends on common stock (in dollars per share) $ 0.22          
Beginning balance (in shares) at Dec. 31, 2024 735 735        
Balance at beginning of period at Dec. 31, 2024 $ 13,122 $ 74 $ 0 7,179 12 5,857
Beginning balance (in shares) at Dec. 31, 2024     0      
Increase (Decrease) in Stockholders' Equity            
Net income $ 1,349          
Ending balance (in shares) at Sep. 30, 2025 764 764        
Balance at end of period at Sep. 30, 2025 $ 14,718 $ 76 $ 0 7,931 15 6,696
Ending balance (in shares) at Sep. 30, 2025     0      
Beginning balance (in shares) at Mar. 31, 2025   764        
Balance at beginning of period at Mar. 31, 2025 14,224 $ 76 $ 0 7,929 16 6,203
Beginning balance (in shares) at Mar. 31, 2025     0      
Increase (Decrease) in Stockholders' Equity            
Net income 511         511
Stock amortization and vesting 14     14    
Common stock repurchases (in shares)     1      
Common stock repurchases (23)   $ (23)      
Common stock retirements (in shares)   (1) (1)      
Common stock retirements 0   $ 23 (23)    
Cash dividends on common stock (170)         (170)
Ending balance (in shares) at Jun. 30, 2025   763        
Balance at end of period at Jun. 30, 2025 $ 14,556 $ 76 $ 0 7,920 16 6,544
Ending balance (in shares) at Jun. 30, 2025     0      
Increase (Decrease) in Stockholders' Equity            
Cash dividends on common stock (in dollars per share) $ 0.22          
Net income $ 322         322
Stock amortization and vesting (in shares)   1        
Stock amortization and vesting 11     11    
Cash dividends on common stock (170)         (170)
Other comprehensive income (loss) $ (1)       (1)  
Ending balance (in shares) at Sep. 30, 2025 764 764        
Balance at end of period at Sep. 30, 2025 $ 14,718 $ 76 $ 0 $ 7,931 $ 15 $ 6,696
Ending balance (in shares) at Sep. 30, 2025     0      
Increase (Decrease) in Stockholders' Equity            
Cash dividends on common stock (in dollars per share) $ 0.22