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Tax adjustments, settlements, and unusual provisions, net of tax

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Carrying amount of the liability for remediation of environmental damage pertaining to assets or businesses previously disposed.

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The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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The total number of new claims filed pertaining to a loss contingency during the period.

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Number of defendants named in a legal action.

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Number of plaintiffs that have filed claims pertaining to a loss contingency.

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Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement.

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Commitments And Contingent Liabilities (Narrative) (Details) (USD $)	12 Months Ended			1 Months Ended	9 Months Ended	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2010	Sep. 30, 2014	Jun. 30, 2013	Sep. 30, 2014	Jun. 30, 2011
Commitments and Contingent Liabilities [Line Items]
Rent expense	$ 154,000,000us-gaap_LeaseAndRentalExpense	$ 168,000,000us-gaap_LeaseAndRentalExpense	$ 185,000,000us-gaap_LeaseAndRentalExpense
Accrual for environmental loss contingencies	95,000,000
Environmental remediation on closed or formerly-owned facilities, recorded as liabilities in balance sheet	41,000,000
Tax adjustments, settlements, and unusual provisions	0	(775,000,000)	0
Kleen Products Llc Versus Packaging Corp Of America [Member]
Commitments and Contingent Liabilities [Line Items]
Loss contingency, new claims filed, number					4
Loss contingency, number of defendants				8
Cass Lake Minnesota [Member]
Commitments and Contingent Liabilities [Line Items]
Accrual for environmental loss contingencies	50,000,000							46,000,000
Environmental remediation expense						6,000,000
Kalamazoo River Superfund Site [Member]
Commitments and Contingent Liabilities [Line Items]
Loss contingency, damages sought, value	19,000,000
Kalamazoo River Superfund Site [Member] \| Georgia-Pacific Consumer Products LP, Fort James Corporation and Georgia Pacific LLC Cost Recovery Action [Member]
Commitments and Contingent Liabilities [Line Items]
Loss contingency, damages sought, value	79,000,000
Harris County San Jacinto River Superfund Site [Member]
Commitments and Contingent Liabilities [Line Items]
Loss contingency, number of plaintiffs	400
Minimum [Member] \| Harris County San Jacinto River Superfund Site [Member]
Commitments and Contingent Liabilities [Line Items]
Loss contingency, damages sought, value per day	50
Maximum [Member] \| Harris County San Jacinto River Superfund Site [Member]
Commitments and Contingent Liabilities [Line Items]
Loss contingency, damages sought, value per day	25,000
Brazil [Member]
Commitments and Contingent Liabilities [Line Items]
Tax adjustments, settlements, and unusual provisions							22,000,000
Tax adjustments, settlements, and unusual provisions, net of tax							$ 11,000,000