Commitments and Contingent Liabilities (Environmental Matters) (Detail) - USD ($) $ in Millions	12 Months Ended				60 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2029
Environmental Matters [Abstract]
Reserves for environmental contingencies		$ 222	$ 227
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]		Other liabilities
Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration]		Accounts payable and accrued liabilities
Reserves for environmental contingencies classified as current liabilities		$ 39	52
Pretax charges for environmental remediation costs		$ 30	$ 35	$ 13
Environmental Remediation Expense, Statement of Income or Comprehensive Income [Extensible Enumeration]		Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)
Cash outlays related to environmental remediation		$ 28	$ 31	$ 73
Historical low end of range of annual environmental remediation expense over the past 15 years		5
Historical high end of range of annual environmental remediation expense over the past 15 years		$ 40
Remediation Period		10 years
Scenario, Forecast | Maximum
Environmental Matters [Abstract]
Cash for environmental loss contingencies, high estimate					$ 60
Unreserved loss contingencies related to environmental matters, high estimate	$ 200
Scenario, Forecast | Minimum
Environmental Matters [Abstract]
Cash for environmental loss contingencies, low estimate					$ 20
Unreserved loss contingencies related to environmental matters, high estimate	$ 100
Excavation of Soil
Environmental Matters [Abstract]
Percentage of the total remaining reserve		60.00%
Groundwater Remediation
Environmental Matters [Abstract]
Percentage of the total remaining reserve		25.00%
Jersey City Manufacturing Plant
Environmental Matters [Abstract]
Reserves for environmental contingencies		$ 58	53
Pretax charges for environmental remediation costs		16	7	0
Glass and Chemical Sites
Environmental Matters [Abstract]
Reserves for environmental contingencies		51	54
Pretax charges for environmental remediation costs		5	5	3
Other Environmental Contingencies
Environmental Matters [Abstract]
Reserves for environmental contingencies		113	120
Pretax charges for environmental remediation costs		$ 9	$ 23	$ 10