v3.26.3
Financial Instruments - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Cash and cash equivalents    
Cost $ 51,294 $ 24,747
Prepaid expenses and other current assets    
Cost 3,457 2,210
Other assets    
Cost 5,809 2,130
Total    
Total assets 254,045 92,079
Total    
Total    
Total assets 92,269 25,124
Unrealized Loss (25)  
Total fair value 92,244 25,124
Government Securities | Level II | Location, Statement of Financial Position, Balance [Axis]: us-gaap:MarketableSecuritiesCurrent    
Marketable securities    
Cost 38,508  
Unrealized Loss (21)  
Fair Value 38,487  
Other assets    
Unrealized Loss (21)  
Government Securities | Level II | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Marketable securities    
Unrealized Loss (3)  
Other assets    
Cost 286  
Unrealized Loss (3)  
Fair value 283  
Corporate Debt Securities | Level II    
Marketable securities    
Cost 74  
Fair Value 74  
Other assets    
Cost 14  
Fair value 14  
Restricted Cash | Level I    
Prepaid expenses and other current assets    
Cost 521 30
Fair value 521 30
Other assets    
Cost 1,393 182
Fair value 1,393 182
Money Market Funds | Level I    
Prepaid expenses and other current assets    
Cost 34 152
Fair value 34 152
Other assets    
Cost 145 13
Unrealized Loss (1)  
Fair value 144 13
Cash | Level I    
Cash and cash equivalents    
Cost 26,058 3,408
Fair value 26,058 3,408
Money Market Funds | Level I    
Cash and cash equivalents    
Cost 21,635 21,339
Fair value 21,635 $ 21,339
Government Securities | Level I    
Cash and cash equivalents    
Cost 3,601  
Fair value $ 3,601