Goodwill and Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Changes in the carrying amount of goodwill
Balance of Goodwill at beginning of period	$ 1,473	$ 1,813	$ 1,840
Impairment		445
Translation effects	(152)	105	(27)
Balance of Goodwill at end of the period	1,321	1,473	1,813
Europe
Changes in the carrying amount of goodwill
Balance of Goodwill at beginning of period	848	818	866
Translation effects	(48)	30	(48)
Balance of Goodwill at end of the period	800	848	818
Americas
Changes in the carrying amount of goodwill
Balance of Goodwill at beginning of period	625	995	974
Impairment		445
Translation effects	(104)	75	21
Balance of Goodwill at end of the period	$ 521	625	$ 995
North America
Changes in the carrying amount of goodwill
Impairment		$ 445