Segment Information & Geographic Data - Schedule of Financial Information by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Net sales:
Total Net sales	$ 5,396	$ 4,981	$ 4,584
Cost of sales:
Total Cost of sales	2,803	2,568	2,461
Operating expenses:
Operating expenses	1,893	1,671	1,642
Operating income:
Total Operating income	700	742	481
CF
Net sales:
Total Net sales	2,960	2,714	2,280
AVA
Net sales:
Total Net sales	2,436	2,267	2,304
Operating Segments
Operating income:
Total Operating income	1,099	979	755
Operating Segments | CF
Net sales:
Total Net sales	2,960	2,714	2,280
Cost of sales:
Total Cost of sales	1,564	1,380	1,249
Operating expenses:
Operating expenses	811	775	703
Operating income:
Total Operating income	585	559	328
Operating Segments | AVA
Net sales:
Total Net sales	2,436	2,267	2,304
Cost of sales:
Total Cost of sales	1,217	1,179	1,206
Operating expenses:
Operating expenses	705	668	671
Operating income:
Total Operating income	514	420	427
Corporate
Cost of sales:
Total Cost of sales	22	9	6
Operating expenses:
Operating expenses	377	228	268
Operating income:
Total Operating income	$ (399)	$ (237)	$ (274)