Acquisitions, Dispositions and Plant Closures Plant Closures - Schedule of Exit and Shutdown Cost Related to Closure (Details) - USD ($) $ in Millions		3 Months Ended			9 Months Ended
		Sep. 30, 2024	[1]	Sep. 30, 2023	Sep. 30, 2024		Sep. 30, 2023
Restructuring Cost and Reserve [Line Items]
One Time Termination Benefits		$ 27		$ 7	$ 84	[1]	$ 40
Uentrop, Germany | Engineered Materials
Restructuring Cost and Reserve [Line Items]
One Time Termination Benefits	[2]				16
Accelerated depreciation expense	[3]				36
Plant Shutdown Costs					52
Mechelen, Belgium | Engineered Materials
Restructuring Cost and Reserve [Line Items]
One Time Termination Benefits	[4]				46
Accelerated depreciation expense	[5]				34
Plant Shutdown Costs					$ 80

[1] Includes employee termination benefits related to the previously announced closure of the Company's facility in Mechelen, Belgium (Note 3), Company-wide business optimization projects and the previously announced closure of its polymerization units in Uentrop, Germany (Note 3).

[2] Included in Other (charges) gains, net in the unaudited interim consolidated statements of operations (Note 18).

[3] Included in Cost of sales in the unaudited interim consolidated statements of operations.

[4] Included in Other (charges) gains, net in the unaudited interim consolidated statements of operations (Note 18).

[5] Included in Cost of sales in the unaudited interim consolidated statements of operations.