v3.24.2
Overview & Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue by Major Source (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Disaggregation Of Revenue [Line Items]        
Revenues $ 25,500 $ 24,927 $ 46,801 $ 48,256
Total revenues from sales and services        
Disaggregation Of Revenue [Line Items]        
Revenues 24,894 24,210 45,606 46,859
Automotive sales        
Disaggregation Of Revenue [Line Items]        
Revenues 18,530 20,419 34,990 39,297
Automotive regulatory credits        
Disaggregation Of Revenue [Line Items]        
Revenues 890 282 1,332 803
Energy generation and storage sales        
Disaggregation Of Revenue [Line Items]        
Revenues 2,866 1,359 4,388 2,772
Services and other        
Disaggregation Of Revenue [Line Items]        
Revenues 2,608 2,150 4,896 3,987
Automotive leasing        
Disaggregation Of Revenue [Line Items]        
Revenues 458 567 934 1,131
Energy generation and storage leasing        
Disaggregation Of Revenue [Line Items]        
Revenues $ 148 $ 150 $ 261 $ 266