Equity Method Investments (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Equity earnings (loss), net of taxes	$ (5)	$ (21)	$ (6)
Equity method dividends received	$ 0	13	204
Ilim Holding [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment Agreed Sales Price		484
Ilim JSC Group
Schedule of Equity Method Investments [Line Items]
Equity Method Investment Agreed Sales Price		$ 24
Reportable Subsegments [Member] | Ilim Holding [Member]
Schedule of Equity Method Investments [Line Items]
Percentage of equity interest		50.00%
Equity earnings (loss), net of taxes		$ 112	296
Equity method dividends received		13	$ 204
Divestiture, Transaction Costs		36
Other comprehensive income (loss), foreign currency transaction and translation adjustment, before tax		$ 517
Reportable Subsegments [Member] | Ilim JSC Group
Schedule of Equity Method Investments [Line Items]
Percentage of equity interest		2.39%