v3.26.1
Pension and Other Postretirement Benefits - Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]            
Other pension and postretirement $ (5)   $ 1   $ (10) $ (4)
Income before taxes and equity in net earnings of affiliates 365   293   640 565
Provision for income taxes (89)   (78)   (159) (124)
Net income 276 $ 206 216 $ 227 482 443
Reclassification out of Accumulated Other Comprehensive Income | Defined benefit plans adjustment            
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]            
Income before taxes and equity in net earnings of affiliates 3   3   5 6
Provision for income taxes (1)   (1)   (1) (2)
Net income 2   2   4 4
Reclassification out of Accumulated Other Comprehensive Income | Actuarial losses            
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]            
Other pension and postretirement $ 3   $ 3   $ 5 $ 6