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Committments and Contingent Liabilities (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Loss Contingencies [Line Items]
Loss Contingency Accrual		$ 26	$ 27
Loss Contingency Accrual, Period Increase (Decrease)		0	(2)
Loss Contingency, Accrual, Current		1	1
Loss Contingency, Accrual, Noncurrent		25	26
Litigation Settlement, Amount Awarded to Other Party	$ 16
Settled Litigation
Loss Contingencies [Line Items]
Loss Contingency, Accrual, Current		8
SEC Schedule, 12-09, Reserve, Environmental Cost [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual		26	27	$ 25
Loss Contingency Accrual, Period Increase (Decrease)		0	(2)
Payments for Environmental Liabilities		1	2
Hardboard Siding Reserves
Loss Contingencies [Line Items]
Loss Contingency Accrual		0	0
Environmental Reserves
Loss Contingencies [Line Items]
Loss Contingency Accrual		$ 26	$ 27