v3.25.4
Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Operating Loss Carryforwards [Line Items]      
Provision for (benefit from) income taxes $ 1,423 $ 1,837 $ (5,001)
Cash paid income taxes, net of refunds 1,232 1,330 1,120
Valuation allowance 1,765 1,224  
Research and development credits 2,030 1,735  
Deferred tax liability 0    
Unrecognized deferred tax liability on reinvested earnings 371    
Income tax penalties and interest expense 10 23 17
Income tax penalties and interest accrued 79 69  
Unrecognized tax benefits that would impact effective tax rate 1,410    
Renewable Energy Credit      
Operating Loss Carryforwards [Line Items]      
Tax credit carryforward, amount 1,380    
Federal      
Operating Loss Carryforwards [Line Items]      
Operating loss carry-forwards 3,560    
Research and development credits 1,830    
State      
Operating Loss Carryforwards [Line Items]      
Operating loss carry-forwards 8,220    
Research and development credits 1,210    
Solar City      
Operating Loss Carryforwards [Line Items]      
Increase (Decrease) in valuation on deferred taxes $ 541 $ 332 $ (6,460)