Revenue Recognition and Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Net sales	$ 1,148	$ 1,033	$ 2,139	$ 1,930
Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	1,148	1,033	2,139	1,930
Refrigerants & Applied Solutions
Disaggregation of Revenue [Line Items]
Net sales	850	756	1,561	1,392
Refrigerants & Applied Solutions \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	850	756	1,561	1,392
Refrigerants & Applied Solutions \| Refrigerants \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	473	418	862	744
Refrigerants & Applied Solutions \| Building Solutions and Intermediates \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	180	181	348	364
Refrigerants & Applied Solutions \| Nuclear \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	125	98	231	182
Refrigerants & Applied Solutions \| Healthcare Packaging \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	73	59	120	102
Electronic & Specialty Materials
Disaggregation of Revenue [Line Items]
Net sales	298	277	579	538
Electronic & Specialty Materials \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	298	277	579	538
Electronic & Specialty Materials \| Research and Performance Chemicals \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	135	132	257	253
Electronic & Specialty Materials \| Electronic Materials \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	119	104	228	194
Electronic & Specialty Materials \| Safety and Defense Solutions \| Operating Segments
Disaggregation of Revenue [Line Items]
Net sales	$ 43	$ 41	$ 94	$ 91