v3.26.1
Shareholders' Equity (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Shareholders' equity activity [Roll Forward]            
Beginning Balance $ 10,825 $ 10,505 $ 10,409 $ 10,548 $ 10,505 $ 10,548
Net income (loss) 538 464 480 203 1,002 683
Other comprehensive income (loss) 0 20 3 (6) 20 (3)
Cash dividends (143) (142) (145) (147)    
Stock repurchase program (201) (100) (252) (252)    
Stock plans 53 80 60 58    
Other (20) 2 8 5    
Ending Balance $ 11,052 $ 10,825 $ 10,547 $ 10,409 11,052 10,547
Common Stock, Dividends, Per Share, Declared $ 0.17 $ 0.17 $ 0.17 $ 0.17    
Stock Repurchased During Period, Shares 5   12      
Common Stock            
Shareholders' equity activity [Roll Forward]            
Beginning Balance $ 2,659 $ 2,659 $ 2,661 $ 2,662 2,659 2,662
Net income (loss) 0 0 0 0    
Other comprehensive income (loss) 0 0 0 0    
Cash dividends 0 0 0 0    
Stock repurchase program 0 0 0 0    
Stock plans (1) 0 0 (1)    
Other 0 0 0 0    
Ending Balance 2,658 2,659 2,661 2,661 2,658 2,661
Paid-in Capital in Excess of Par Value            
Shareholders' equity activity [Roll Forward]            
Beginning Balance 93 112 59 79 112 79
Net income (loss) 0 0 0 0    
Other comprehensive income (loss) 0 0 0 0    
Cash dividends 0 0 0 0    
Stock repurchase program 0 0 0 0    
Stock plans (76) (19) (28) (24)    
Other (13) 0 0 4    
Ending Balance 4 93 31 59 4 31
Treasury Stock, Common            
Shareholders' equity activity [Roll Forward]            
Beginning Balance (6,984) (6,983) (6,383) (6,214) (6,983) (6,214)
Net income (loss) 0 0 0 0    
Other comprehensive income (loss) 0 0 0 0    
Cash dividends 0 0 0 0    
Stock repurchase program (201) (100) (252) (252)    
Stock plans 154 99 88 83    
Other 0 0 0 0    
Ending Balance (7,031) (6,984) (6,547) (6,383) (7,031) (6,547)
Retained Earnings            
Shareholders' equity activity [Roll Forward]            
Beginning Balance 15,355 15,036 14,389 14,332 15,036 14,332
Net income (loss) 534 461 472 204    
Other comprehensive income (loss) 0 0 0 0    
Cash dividends (143) (142) (145) (147)    
Stock repurchase program 0 0 0 0    
Stock plans (24) 0 0 0    
Other 0 0 0 0    
Ending Balance 15,722 15,355 14,716 14,389 15,722 14,716
Accumulated Other Comprehensive Income (Loss)            
Shareholders' equity activity [Roll Forward]            
Beginning Balance (343) (363) (359) (353) (363) (353)
Net income (loss) 0 0 0 0    
Other comprehensive income (loss) 0 20 3 (6)    
Cash dividends 0 0 0 0    
Stock repurchase program 0 0 0 0    
Stock plans 0 0 0 0    
Other 0 0 0 0    
Ending Balance (343) (343) (356) (359) (343) (356)
Noncontrolling Interest in Consolidated Subsidiaries            
Shareholders' equity activity [Roll Forward]            
Beginning Balance 45 44 42 42 44 42
Net income (loss) 4 3 8 (1)    
Other comprehensive income (loss) 0 0 0 0    
Cash dividends - Noncontrolling interest 0 0 0 0    
Stock repurchase program 0 0 0 0    
Stock plans 0 0 0 0    
Other (7) (2) (8) 1    
Ending Balance $ 42 $ 45 $ 42 $ 42 $ 42 $ 42