v3.26.1
Significant Accounting Policies - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Accounting Policies [Abstract]        
Cash and cash equivalents $ 11,329 $ 8,453    
Restricted cash (included in other current assets) 0 59    
Restricted cash (included in other assets) 208 200    
Total cash, cash equivalents and restricted cash in the statements of cash flows $ 11,537 $ 8,712 $ 12,025 $ 8,884