v3.26.3
EQUITY - Schedule of Stockholders' Equity (Details) - USD ($)
$ 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]        
Beginning balance $ 14,455 $ 18,617 $ 14,827 $ 8,173
Issuance of stock for various plans, net 24 23 85 99
Issuance of stock for DS Smith acquisition       9,909
Repurchase of stock   (1) (31) (64)
Common stock dividends (248) (246) (741) (744)
Comprehensive income (loss) (1,085) (1,076) (994) (56)
Ending balance 13,146 17,317 13,146 17,317
Common Stock Issued        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance 627 627 627 449
Issuance of stock for DS Smith acquisition       178
Ending balance 627 627 627 627
Paid-in Capital        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance 14,372 14,374 14,414 4,732
Issuance of stock for various plans, net 23 19 (19) (70)
Issuance of stock for DS Smith acquisition       9,731
Ending balance 14,395 14,393 14,395 14,393
Retained Earnings        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance 4,440 8,865 4,885 9,393
Common stock dividends (248) (246) (741) (744)
Comprehensive income (loss) (1,126) (1,102) (1,078) (1,132)
Ending balance 3,066 7,517 3,066 7,517
Accumulated Other Comprehensive Income (Loss)        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance (485) (672) (528) (1,722)
Comprehensive income (loss) 41 26 84 1,076
Ending balance (444) (646) (444) (646)
Common Stock Held In Treasury, At Cost        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Beginning balance 4,499 4,577 4,571 4,679
Issuance of stock for various plans, net (1) (4) (104) (169)
Repurchase of stock   1 31 64
Ending balance $ 4,498 $ 4,574 $ 4,498 $ 4,574