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Sale of Noncontrolling Interest in Wilsonart International Holdings LLC (Details) - USD ($)		3 Months Ended	9 Months Ended		12 Months Ended
	Aug. 05, 2024	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2016	Dec. 31, 2012
Schedule of Equity Method Investments [Line Items]
Proceeds from sale of noncontrolling interest in Wilsonart International Holdings LLC			$ 0	$ 395,000,000
Gain on sale of minority interest in Wilsonart LLC			$ 0	$ 363,000,000
Clayton, Dublier & Rice, LLC (CD&R) | Wilsonart International Holdings LLC
Schedule of Equity Method Investments [Line Items]
Preferred units owned by other party, percentage						51.00%
Wilsonart International Holdings LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage						49.00%
Cash dividend distribution					$ 167,000,000
Pre-tax gain from dividends in excess of equity investment					54,000,000
Equity method investment					$ 0
Wilsonart International Holdings LLC | Disposal Group, Disposed of by Sale
Schedule of Equity Method Investments [Line Items]
Proceeds noncontrolling equity interest in Wilsonart	$ 398,000,000
Proceeds from sale of noncontrolling interest in Wilsonart International Holdings LLC	395,000,000
Gain on sale of minority interest in Wilsonart LLC	$ 363,000,000
Discrete tax benefit, asset sale		$ 107,000,000
Decorative Surfaces
Schedule of Equity Method Investments [Line Items]
Percentage of segment divested						51.00%

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