v3.26.3
Marketable and Other Securities - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Dec. 31, 2024
Marketable Securities [Abstract]        
Cash and cash equivalents $ 23,196 $ 20,945    
Restricted cash included in Other current assets 3,411 2,912    
Restricted cash included in Other assets 417 426    
Total $ 27,024 $ 24,284 $ 26,210 $ 22,964