v3.26.3
Note 9 - Pension and Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Credit) and Other Amounts Recognized in OCI (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Other Postretirement Benefits Plan [Member]        
Interest cost $ 0 $ 1 $ 1 $ 2
Amortization of net actuarial loss (gain) (1)   (2) (2)
Net periodic benefit cost (credit) (1) 1 (1) 0
UNITED STATES | Pension Plan [Member]        
Interest cost 4 4 12 14
Expected return on plan assets (5) (6) (16) (17)
Amortization of net actuarial loss (gain) 1 2 3 4
Net periodic benefit cost (credit) 0 0 (1) 1
Foreign Plan [Member] | Pension Plan [Member]        
Interest cost 2 2 8 7
Expected return on plan assets (1)   (2) (1)
Service cost 1 1 3 3
Net periodic benefit cost (credit) $ 2 $ 3 $ 9 $ 9