v3.26.1
Note 2 - Cash, Cash Equivalents and Restricted Cash (Details Textual) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Cash Collateralized Letter Of Credit Facility [Member]    
Cash and Cash Equivalents [Line Items]    
Restricted Cash and Investments, Noncurrent $ 25 $ 25
Cash Collateralized for Workers Compensation Obligations [Member]    
Cash and Cash Equivalents [Line Items]    
Restricted Cash and Investments, Noncurrent 58 62
BRAZIL    
Cash and Cash Equivalents [Line Items]    
Restricted Cash and Investments, Noncurrent $ 5 $ 7