Discontinued Operations and Disposal Groups (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operations, net of taxes	$ 0	$ 432	$ 0	$ 638
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff \| Printing Papers [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales		800		2,416
Cost of products sold		500		1,509
Selling and administrative expenses		92		214
Depreciation, amortization and cost of timber harvested		37		113
Distribution expenses		82		229
Taxes other than payroll and income taxes		7		24
Disposal Group, Including Discontinued Operations, Net (gains) losses on sales of fixed assets		(86)		(86)
Disposal Group, Including Discontinued Operations, Net (gains) losses on sales and impairments of businesses		(360)		(360)
Disposal Group, Including Discontinued Operation, Interest Expense		(10)		(19)
Earnings (Loss) Before Income Taxes and Equity Earnings		518		792
Income tax provision (benefit)		86		154
Discontinued operations, net of taxes		$ 432		638
Cash provided by (used in) operating activities, discontinued operations				290
Cash Provided by (Used in) Investing Activities, Discontinued Operations				$ 757

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Amount of cash inflow (outflow) of investing activities of discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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