v3.26.1
Note 17 - Stock-based Compensation Plan (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Share-Based Payment Arrangement, Cost by Plan [Table Text Block]
  

Three months ended

 
  

March 31,

 
  

2026

  

2025

 

Huntsman Corporation compensation cost

 $9  $9 

Huntsman International compensation cost

  8   7 
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
          

Weighted

     
      

Weighted

  

average

     
      

average

  

remaining

  

Aggregate

 
      

exercise

  

contractual

  

intrinsic

 

Option awards

 

Shares

  

price

  

term

  

value

 
  

(in thousands)

      

(years)

  

(in millions)

 

Outstanding at January 1, 2026

  2,030  $22.42         

Exercised

  (241)  8.86         

Forfeited

  (21)  25.44         

Outstanding and exercisable at March 31, 2026

  1,768   24.24   2.8  $ 
Schedule of Nonvested Share Activity [Table Text Block]
  

Equity awards

  

Liability awards

 
      

Weighted

      

Weighted

 
      

average

      

average

 
      

grant-date

      

grant-date

 
  

Shares

  

fair value

  

Shares

  

fair value

 
  

(in thousands)

      

(in thousands)

     

Nonvested at January 1, 2026

  3,177  $24.63   295  $20.09 

Granted

  2,153   15.27   297   13.27 

Vested

  (1,005)(1)(2) 30.94   (130)  22.09 

Forfeited

  (45)  18.38       

Nonvested at March 31, 2026

  4,280   18.51   462   15.15