v3.26.3
Equity (Details) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Treasury shares balance at beginning of period (in shares)     250  
Balance at beginning of period $ 26,926 $ 25,763 $ 25,809 $ 27,686
Net income (loss) (5,939) 799 (4,736) 2,677
Distributions paid to noncontrolling interests (2)   (2) (408)
Other comprehensive income (loss) (16) (82) (15) 523
Share-based compensation 110 87 345 302
Shares issued under stock plans $ 5 9 (16) (242)
Purchases of treasury stock   (1,039) $ (301) (5,399)
Capital contribution from noncontrolling interest       5
Acquisition of noncontrolling interest of consolidated subsidiary   (393)    
Treasury shares balance at end of period (in shares) 253   253  
Balance at end of period $ 21,084 $ 25,144 $ 21,084 $ 25,144
Common Shares        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Common shares balance at beginning of period (in shares) 784 784 784 784
Balance at beginning of period $ 8 $ 8 $ 8 $ 8
Common shares balance at end of period (in shares) 784 784 784 784
Balance at end of period $ 8 $ 8 $ 8 $ 8
Treasury Shares        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Treasury shares balance at beginning of period (in shares) 253 240 250 220
Balance at beginning of period $ (23,681) $ (22,348) $ (23,547) $ (18,182)
Shares issued under stock plans (in shares) 0 0 (2) (2)
Shares issued under stock plans $ 24 $ 22 $ 191 $ 216
Purchases of treasury stock (in shares)   7 5 29
Purchases of treasury stock   $ (1,039) $ (301) $ (5,399)
Treasury shares balance at end of period (in shares) 253 247 253 247
Balance at end of period $ (23,657) $ (23,365) $ (23,657) $ (23,365)
Additional Paid-In Capital        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Balance at beginning of period 23,307 23,004 23,260 23,080
Distributions paid to noncontrolling interests       295
Share-based compensation 110 87 345 302
Shares issued under stock plans (19) (13) (207) (458)
Acquisition of noncontrolling interest of consolidated subsidiary   141    
Balance at end of period 23,398 23,219 23,398 23,219
Accumulated Other Comprehensive Loss        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Balance at beginning of period (983) (901) (984) (1,413)
Other comprehensive income (loss) (18) (84) (17) 428
Balance at end of period (1,001) (985) (1,001) (985)
Retained Earnings        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Balance at beginning of period 28,253 25,452 27,055 23,575
Net income (loss) (5,941) 792 (4,743) 2,669
Balance at end of period 22,312 26,244 22,312 26,244
Noncontrolling Interests        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Balance at beginning of period 22 548 17 618
Net income (loss) 2 7 7 8
Distributions paid to noncontrolling interests (2)   (2) (703)
Other comprehensive income (loss) 2 2 2 95
Capital contribution from noncontrolling interest       5
Acquisition of noncontrolling interest of consolidated subsidiary   (534)    
Balance at end of period $ 24 $ 23 $ 24 $ 23