v3.26.1
Goodwill - Goodwill Rollforward (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Changes in the carrying amount of goodwill      
Balance of Goodwill at beginning of period   $ 1,487 $ 1,467
Impairment $ (873) (873)  
Translation effects   (6) 20
Balance of Goodwill at end of the period 608 608 1,487
Europe      
Changes in the carrying amount of goodwill      
Balance of Goodwill at beginning of period   897 896
Impairment   (873)  
Translation effects   (24) 1
Balance of Goodwill at end of the period     897
Americas      
Changes in the carrying amount of goodwill      
Balance of Goodwill at beginning of period   590 571
Translation effects   18 19
Balance of Goodwill at end of the period $ 608 $ 608 $ 590