v3.25.4
Goodwill and Intangible Assets - Goodwill Rollforward (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2025
Dec. 31, 2023
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Changes in the carrying amount of goodwill          
Balance of Goodwill at beginning of period     $ 1,321,000,000 $ 1,473,000,000 $ 1,813,000,000
Impairment $ 0       445,000,000
Translation effects     166,000,000 (152,000,000) 105,000,000
Balance of Goodwill at end of the period 1,487,000,000 $ 1,473,000,000 1,487,000,000 1,321,000,000 1,473,000,000
Europe          
Changes in the carrying amount of goodwill          
Balance of Goodwill at beginning of period     800,000,000 848,000,000 818,000,000
Translation effects     97,000,000 (48,000,000) 30,000,000
Balance of Goodwill at end of the period 897,000,000 848,000,000 897,000,000 800,000,000 848,000,000
Americas          
Changes in the carrying amount of goodwill          
Balance of Goodwill at beginning of period     521,000,000 625,000,000 995,000,000
Impairment         445,000,000
Translation effects     69,000,000 (104,000,000) 75,000,000
Balance of Goodwill at end of the period $ 590,000,000 625,000,000 $ 590,000,000 $ 521,000,000 $ 625,000,000
North America          
Changes in the carrying amount of goodwill          
Impairment   $ 445,000,000