v3.26.3
Income taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Income Tax [Line Items]        
Tax benefit $ 66 $ 214 $ 254 $ 210
Income (loss) before income taxes $ 300 $ 646 $ 282 $ 1,143
Minimum tax rate 15.00%   15.00%  
Israel Tax Authority        
Income Tax [Line Items]        
Statutory tax rate in Israel     23.00%  
Tax settlement     $ 750  
Minimum tax rate 15.00%   15.00%  
Israel Tax Authority | 2008 through tax payable        
Income Tax [Line Items]        
Number of years spread to pay tax payable     6 years  
Maximum tax payment limit     $ 500  
Minimum | Israel Tax Authority | 2008 through tax payable        
Income Tax [Line Items]        
Effective income tax rate reconciliation, tax settlement, other, percent     5.00%  
Maximum | Israel Tax Authority | 2008 through tax payable        
Income Tax [Line Items]        
Effective income tax rate reconciliation, tax settlement, other, percent     7.00%