v3.26.1
Stockholders' Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Parenthetical) (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Foreign currency translation adjustments, tax $ 13 $ 66    
Unrealized gains (losses), tax 340 11    
Other comprehensive income, other, tax (2) 1    
Accumulated other comprehensive income (loss)        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), tax (8,573) (1,029) $ (9,384) $ (1,762)
Foreign currency translation adjustments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), tax 85 226 98 292
Foreign currency translation adjustments, tax (13) (66)    
Unrealized gains (losses) on net investment hedging instruments        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), tax 24 0 0 0
Change in net unrealized gains (losses), tax 24 0    
Unrealized gains (losses) on available-for-sale debt securities        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), tax (8,679) (1,256) (9,481) (2,054)
Unrealized gains (losses), tax (340) (11)    
Reclassification adjustment for losses (gains) included in “Other income (expense), net,” tax 1,142 809    
Other        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), tax (3) 1 $ (1) $ 0
Other comprehensive income, other, tax $ (2) $ 1