v3.26.1
Significant Accounting Policies - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Accounting Policies [Abstract]        
Cash and cash equivalents $ 9,542 $ 8,453    
Restricted cash (included in other current assets) 14 59    
Restricted cash (included in other assets) 213 200    
Total cash, cash equivalents and restricted cash in the statements of cash flows $ 9,769 $ 8,712 $ 10,346 $ 8,884