Commitments and Contingencies - Lead Pigment Litigation-NL and Environmental Matters and Litigation - Additional Information (Detail)		1 Months Ended			12 Months Ended
	Jul. 24, 2019 USD ($) defendant installment	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2022 USD ($) case site	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jul. 25, 2019 USD ($)
Commitments And Contingent Liabilities [Line Items]
Litigation settlement					$ 11,800,000	$ 11,800,000
Litigation settlement net present value					27,400,000	38,500,000
Current insurance recovery receivable					0	0
Accrual for reasonably estimable environmental remediation and related matters					97,300,000	97,600,000	$ 98,600,000	$ 99,700,000
Other Environmental Cleanup Matters
Commitments And Contingent Liabilities [Line Items]
Accrual for reasonably estimable environmental remediation and related matters					5,000,000
NL | Environmental Remediation Sites NL Named As PRP Or Defendant
Commitments And Contingent Liabilities [Line Items]
Accrual for reasonably estimable environmental remediation and related matters					$ 92,000,000
Number of sites associated with remediation and related costs | site					33
NL | Maximum | Environmental Remediation Sites NL Named As PRP Or Defendant
Commitments And Contingent Liabilities [Line Items]
Upper end range, estimate costs for remediation and related matters					$ 119,000,000
Lead Pigment Litigation | NL
Commitments And Contingent Liabilities [Line Items]
Number of cases settled and dismissed and found not liable | case					100
Period by which loss contingency claims settled and dismissed					30 years
C A Lead Paint Litigation | NL
Commitments And Contingent Liabilities [Line Items]
Description of defendants					July 24, 2019, an order approving a global settlement agreement entered into among all of the plaintiffs and the three defendants remaining in the case (the Sherwin Williams Company, ConAgra Grocery Products and NL) was entered by the court and the case was dismissed with prejudice. The global settlement agreement provides that an aggregate $305 million will be paid collectively by the three co-defendants in full satisfaction of all claims resulting in a dismissal of the case with prejudice and the resolution of (i) all pending and future claims by the plaintiffs in the case, and (ii) all potential claims for contribution or indemnity between NL and its co-defendants in respect to the case.
Number of Defendant | defendant	3
Settlement amount	$ 305,000,000
Litigation settlement	101,700,000
Litigation settlement charge upon approval of settlement terms	25,000,000.0
Remaining litigation settlement charge	$ 76,700,000				$ 101,700,000
Number of annual installment payments | installment	6
Litigation payment		$ 12,000,000.0	$ 12,000,000.0	$ 12,000,000.0
Remaining litigation settlement charge due in first installment	$ 12,000,000.0
Remaining litigation settlement charge due in second installment	12,000,000
Remaining litigation settlement charge due in third installment	12,000,000
Remaining litigation settlement charge due in fourth installment	12,000,000
Remaining litigation settlement charge due in fifth installment	12,000,000
Remaining litigation settlement charge due in sixth installment	$ 16,700,000
Litigation settlement net present value					$ 96,300,000
Discounted rate for estimated present value of remaining litigation amount					1.90%
Litigation settlement accrual payments									$ 25,000,000.0
Accretion expense					$ 900,000	$ 1,100,000	$ 1,300,000
C A Lead Paint Litigation | NL | Other Assets
Commitments And Contingent Liabilities [Line Items]
Escrow deposit										$ 9,000,000.0