v3.25.4
Income Taxes - U.S. Federal statutory tax rate (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
In USD      
U.S. federal statutory tax rate $ 655 $ 1,789 $ 2,185
State and local tax expense 77 323 348
Foreign tax effects   130 203
Changes in valuation allowances   46 (1,061)
Changes in tax laws or rates   9 25
Other   204 31
Effect of cross-border tax laws 33    
Research and development tax credits (478)    
Other (95)    
IRA credits (181)    
Other (18)    
Changes in unrecognized tax benefits (91)    
Equity income or loss 126 982 (101)
Total income tax expense (benefit) $ 338 $ 2,556 $ 563
Percent of Pre-tax Income      
U.S. federal statutory tax rate 21.00%    
State and local tax expense(a) 2.50%    
Effect of cross-border tax laws 1.10%    
Research and development tax credits (15.30%)    
Other (3.10%)    
IRA credits (5.80%)    
Equity income or loss 4.00%    
Other (0.60%)    
Changes in unrecognized tax benefits (2.90%)    
Total income tax expense (benefit) 10.80%    
Foreign Tax Jurisdiction, Other      
In USD      
Foreign tax effects $ (21)    
Percent of Pre-tax Income      
Foreign tax effects (0.70%)    
China      
In USD      
Foreign tax effects $ 126    
Percent of Pre-tax Income      
Foreign tax effects 4.00%    
Mexico      
In USD      
Foreign tax effects $ 120    
Other $ (48)    
Percent of Pre-tax Income      
Foreign tax effects 3.80%    
Other adjustments (1.50%)    
Germany      
In USD      
Changes in valuation allowances $ (367)    
Changes in tax laws or rates 421    
Other $ 9    
Percent of Pre-tax Income      
Changes in valuation allowances (11.80%)    
Changes in tax laws or rates 13.50%    
Other adjustments 0.30%    
U.S.      
In USD      
Changes in valuation allowances $ (40)    
Changes in tax laws or rates 0    
Other $ 107    
Percent of Pre-tax Income      
Changes in valuation allowances (1.30%)    
Changes in tax laws or rates 0.00%    
Other adjustments 3.40%