v3.26.3
Equity - Schedule of Components of Equity (Details) - USD ($)
$ / shares in Units, 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 Shareholders' Equity [Roll Forward]        
Beginning balance     $ 26,535  
Other comprehensive income, net of tax $ 132 $ 510 251 $ 1,116
Ending balance $ 40,271   $ 40,271  
Cash dividends declared per share (in dollars per share)     $ 3.46 $ 3.00
Common Stock        
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Beginning balance (in shares) 941.5 947.2 944.8 947.9
Beginning balance $ 588 $ 592 $ 590 $ 592
Purchases of common stock (in shares) (0.3) (1.0) (4.7) (3.3)
Purchases of common stock $ 0 $ (1) $ (3) $ (2)
Issuance of stock under employee stock plans, net (in shares) 0.0 0.0 1.1 1.6
Issuance of stock under employee stock plans, net $ 0 $ 0 $ 1 $ 1
Ending balance (in shares) 941.2 946.2 941.2 946.2
Ending balance $ 588 $ 591 $ 588 $ 591
Additional Paid-in Capital        
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Beginning balance 7,117 7,089 7,346 7,439
Issuance of stock under employee stock plans, net (8) (8) (599) (697)
Stock-based compensation 200 151 562 490
Ending balance 7,309 7,232 7,309 7,232
Retained Earnings        
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Beginning balance 31,893 17,376 24,470 13,545
Net income (loss) 6,451 5,583 20,942 14,002
Cash dividends declared     (3,088) (2,692)
Purchases of common stock (377) (708) (4,361) (2,598)
Other 2 1 6 (5)
Ending balance 37,969 22,252 37,969 22,252
Accumulated Other Comprehensive Loss        
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Beginning balance (2,761) (3,716) (2,880) (4,322)
Other comprehensive income, net of tax 132 510 251 1,116
Ending balance $ (2,629) $ (3,206) $ (2,629) $ (3,206)