v3.26.1
Basis of Presentation - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Cash and Cash Equivalents [Line Items]        
Cash and cash equivalents $ 8,366   $ 19,048  
Restricted cash:        
Prepaid expenses and other 97   297  
Other assets 169   154  
Cash, cash equivalents and restricted cash 8,632 $ 2,772 $ 19,499 $ 4,635
Increase / (Decrease) in cash, cash equivalents and restricted cash (10,867) $ (1,863)    
Cash and cash equivalents        
Restricted cash:        
Increase / (Decrease) in cash, cash equivalents and restricted cash (10,682)      
Prepaid expenses and other        
Restricted cash:        
Increase / (Decrease) in cash, cash equivalents and restricted cash (200)      
Other assets        
Restricted cash:        
Increase / (Decrease) in cash, cash equivalents and restricted cash $ 15