Other (Charges) Gains, Net - Schedule of Other (Charges) Gains, Net (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Restructuring and Related Activities [Abstract]
Restructuring	[1]	$ (5)	$ (27)	$ (56)	$ (84)
Asset impairments(2)	[2]	(1,486)	(34)	(1,486)	(39)
Total		$ (1,491)	$ (61)	$ (1,542)	$ (123)

[1] Includes employee termination benefits related to Company-wide business optimization projects during the three and nine months ended September 30, 2025 and 2024, and employee termination benefits related to the previously announced closures of the Company's facility in Mechelen, Belgium and its polymerization units in Uentrop, Germany during the three and nine months ended September 30, 2024.

[2] Primarily related to non-cash impairment losses on goodwill and certain trade names, primarily Zytel® during the three and nine months ended September 30, 2025 (Note 5) and on certain trade names, primarily Zytel® during the three and nine months ended September 30, 2024.