v3.25.4
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Summary of Significant Accounting Policies [Line Items]      
Guarantees carrying value $ 3,450,000,000 $ 1,450,000,000  
Revenue recognized 956,000,000 1,188,000,000  
Unbilled transaction price allocated to performance obligations, expected of more than one year $ 10,420,000,000    
Direct lease term 48 months    
Sales-type lease term 72 months    
Deferred revenue $ 3,867,000,000 3,599,000,000 $ 3,536,000,000
Short-term investment 879,000,000 763,000,000 388,000,000
Accounts receivable, net 4,576,000,000 4,418,000,000  
Gross cost of operating lease vehicles 6,120,000,000 7,030,000,000.00  
Net accumulated depreciation related to leased vehicles 1,210,000,000 1,450,000,000  
Intangible assets, net 124,000,000 150,000,000  
Increase (decrease) to goodwill 13,000,000    
Goodwill 257,000,000 244,000,000  
Impairment of goodwill 0 0 0
Accumulated impairment loss 0 0  
Net (losses) gains from foreign currency transaction $ (407,000,000) 57,000,000 122,000,000
Employer matching contribution, percent of match 50.00%    
Percentage of employees eligible compensation vested 6.00%    
Maximum annual contributions per employee, amount $ 3,000    
Employer matching contributions, vesting period 1 year    
Employer discretionary contribution amount $ 103,000,000 107,000,000 99,000,000
Gigafactory Texas With Travis      
Summary of Significant Accounting Policies [Line Items]      
Agreement term 20 years    
Gigafactory Texas with Del Valle Independent School      
Summary of Significant Accounting Policies [Line Items]      
Agreement term 10 years    
Minimum      
Summary of Significant Accounting Policies [Line Items]      
Estimated useful lives 3 years    
Standard product warranty term 1 year    
Minimum | Software and Software Development Costs      
Summary of Significant Accounting Policies [Line Items]      
Estimated useful lives 3 years    
Minimum | Gigafactory Texas With Travis      
Summary of Significant Accounting Policies [Line Items]      
Grant funding equal percentage on property taxes paid by us 70.00%    
Maximum      
Summary of Significant Accounting Policies [Line Items]      
Estimated useful lives 30 years    
Standard product warranty term 25 years    
Tax credit amount $ 195,000,000    
Employers matching contribution, annual vesting percentage 90.00%    
Maximum | Software and Software Development Costs      
Summary of Significant Accounting Policies [Line Items]      
Estimated useful lives 5 years    
Maximum | Gigafactory Texas With Travis      
Summary of Significant Accounting Policies [Line Items]      
Grant funding equal percentage on property taxes paid by us 80.00%    
Solar energy systems in service | Minimum      
Summary of Significant Accounting Policies [Line Items]      
Estimated useful lives of assets (in years) 15 years    
Solar energy systems in service | Maximum      
Summary of Significant Accounting Policies [Line Items]      
Estimated useful lives of assets (in years) 35 years    
Energy generation and storage systems, net      
Summary of Significant Accounting Policies [Line Items]      
Gross cost of solar energy systems $ 6,660,000,000 6,790,000,000  
Net of accumulated depreciation $ 2,060,000,000.00 1,860,000,000  
MyPower      
Summary of Significant Accounting Policies [Line Items]      
Number of years for loans payable 30 years    
MyPower customer notes receivable, net of allowance for credit losses $ 241,000,000 248,000,000  
Allowance for credit losses 26,000,000 33,000,000  
Government Rebates Receivables      
Summary of Significant Accounting Policies [Line Items]      
Accounts receivable, net $ 108,000,000 315,000,000  
Stock Options And Restricted Stock Units      
Summary of Significant Accounting Policies [Line Items]      
Vesting period, in years 4 years    
Employee Stock      
Summary of Significant Accounting Policies [Line Items]      
Vesting period, in years 6 months    
Automotive sales      
Summary of Significant Accounting Policies [Line Items]      
Revenue recognized $ 815,000,000 872,000,000  
Financing receivable, net of allowance for credit losses, current 247,000,000 247,000,000  
Financing receivable, after allowance for credit loss, noncurrent 554,000,000 821,000,000  
Recovery of direct costs 565,000,000 $ 625,000,000 $ 359,000,000
Automotive sales | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2026-01-01      
Summary of Significant Accounting Policies [Line Items]      
Unbilled transaction price allocated to performance obligations, expected of more than one year $ 904,000,000    
Deferred revenue, expected to recognize period 12 months    
Automotive regulatory credits      
Summary of Significant Accounting Policies [Line Items]      
Unbilled transaction price allocated to performance obligations, expected of more than one year $ 841,000,000    
Decrease in remaining performance obligation 3,840,000,000    
Automotive regulatory credits | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2026-01-01      
Summary of Significant Accounting Policies [Line Items]      
Unbilled transaction price allocated to performance obligations, expected of more than one year $ 738,000,000    
Deferred revenue, expected to recognize period 12 months    
Automotive Leasing, Direct Vehicle Operating      
Summary of Significant Accounting Policies [Line Items]      
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Revenues Revenues Revenues
Lease income $ 1,680,000,000 $ 1,780,000,000 $ 1,860,000,000
Lease deposit liability 282,000,000 394,000,000  
Automotive Leasing, Direct Sales-Type      
Summary of Significant Accounting Policies [Line Items]      
Sales-type leasing revenue 10,000,000 12,000,000 215,000,000
Sales-type leasing cost of revenue 5,000,000 7,000,000 164,000,000
Energy generation and storage segment      
Summary of Significant Accounting Policies [Line Items]      
Revenue recognized 1,450,000,000 1,270,000,000  
Financing receivable, net of allowance for credit losses, current 38,000,000 34,000,000  
Financing receivable, after allowance for credit loss, noncurrent 731,000,000 658,000,000  
Deferred revenue 2,040,000,000.00 1,770,000,000  
Energy generation and storage segment | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2026-01-01      
Summary of Significant Accounting Policies [Line Items]      
Unbilled transaction price allocated to performance obligations, expected of more than one year 4,960,000,000    
Energy Generation And Storage Leasing, Customer Payments      
Summary of Significant Accounting Policies [Line Items]      
Deferred revenue 151,000,000 164,000,000  
Energy generation and storage sales      
Summary of Significant Accounting Policies [Line Items]      
Recovery of direct costs $ 1,120,000,000 $ 756,000,000 $ 115,000,000