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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI) AND COMMON STOCK - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2026
Oct. 28, 2026
Dec. 31, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Common stock, shares outstanding (in shares) 264,677,066 264,677,066   269,529,464
Common stock repurchased (in shares) 1,700,000 6,000,000.0    
Repurchase of common stock, excluding commission fees and excise taxes $ 1,630 $ 5,274    
Stock repurchase program, cumulative repurchased amount $ 8,593 $ 8,593    
Subsequent event        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stock repurchase program, authorized amount     $ 20,000