Contingencies - Additional Information (Detail) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) Project	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Liabilities incurred	$ 13		$ 13		$ 25
Payments against the reserve	5	$ 10	13	$ 16	49
Reversals of previously recorded liabilities					12
Environmental remediation reserve balance, current	$ 37		$ 37		$ 38
Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current		Other Liabilities, Current		Other Liabilities, Current
Active or future remediation for significant sites	$ 149		$ 149		$ 154
Accrued environmental reserves	222		222		220	$ 268
Investigation of Potential Contamination [Member]
Loss Contingencies [Line Items]
Liabilities incurred	8		8
Ongoing Remediation Work [Member]
Loss Contingencies [Line Items]
Liabilities incurred	3		$ 3
Massena, New York [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Environmental remediation work completion period			8 years
Addy, Washington [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Environmental remediation work completion period			3 years
Addy, Washington [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Environmental remediation work completion period			5 years
Ferndale, Washington [Member]
Loss Contingencies [Line Items]
Post-closure maintenance and monitoring period			5 years
Other Sites [Member]
Loss Contingencies [Line Items]
Number of remediation projects | Project			31
Accrued environmental reserves	$ 73		$ 73		$ 66