Acquisitions - Acquisition-Related Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Business Combination [Line Items]
Total acquisition-related costs	$ 78	$ 73	$ 10
Eco Material Technologies (Eco Material)
Business Combination [Line Items]
Total acquisition-related costs	45
Hunter and Adbri Acquisitions
Business Combination [Line Items]
Total acquisition-related costs		46
2023 acquisitions
Business Combination [Line Items]
Total acquisition-related costs			0
Other acquisitions
Business Combination [Line Items]
Total acquisition-related costs	$ 33	$ 27	$ 10