Divestitures/Spinoff Divestitures/Spinoff (Reconciliation of Major Line Items Constituting Pre-Tax Profit (Loss) of Discontinued Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014		Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued operations, net of taxes	$ (9)	[1]	$ 16	[2]	$ (13)	[3]	$ (7)	[4]	$ (359)	[5]	$ (5)	[6]	$ 27	[7]	$ 28	[8]	$ (13)	[1],[2],[3],[4]	$ (309)	[5],[6],[7],[8]	$ 77
Discontinued Operations [Member] | xpedx divestiture [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net Sales																	2,604		5,597		5,981
Costs of products sold																	2,309		4,941		5,300
Selling and administrative expenses																	191		409		418
Depreciation, amortization and cost of timber harvested																	9		16		13
Distribution expense																	69		149		141
Restructuring and other charges			(11)		18		16		8		11		3				25		54		44
Impairment of goodwill and other intangibles																	0		400		0
Other expense																	3		7		8
Earnings (Loss) Before Income Tax and Equity Earnings																	(2)		(379)		57
Income tax provision (benefit)																	(1)		(25)		25
Discontinued operations, net of taxes																	$ (1)		$ (354)		$ 32

[1] Includes a pre-tax loss of $14 million ($9 million after taxes) related to the Building Products divestiture.

[2] Includes a net pre-tax gain of $11 million ($14 million after taxes) for the recovery of costs related to the spin-off of the xpedx business and a $2 million tax benefit associated with the Building Products divestiture.

[3] Includes the operating earnings of the xpedx business, a pre-tax charge of $18 million ($20 million after taxes) for costs associated with the spin-off of our xpedx operations, and a gain of $1 million (before and after taxes) related to the xpedx restructuring.

[4] Includes the operating earnings of the xpedx business, a pre-tax charge of $16 million ($10 million after taxes) for costs associated with the spin-off of the xpedx operations, a pre-tax charge of $2 million ($0 million after taxes) for costs associated with the restructuring of our xpedx operations and a charge of $2 million (before and after taxes) for costs associated with the Building Products divestiture.

[5] Includes the operating earnings of the xpedx business, a pre-tax charge of $8 million ($5 million after taxes) for costs associated with the spin-off of the xpedx operations, a pre-tax charge of $400 million ($366 million after taxes) for the impairment of goodwill in the Company's xpedx business, a net pre-tax loss of $2 million ($1 million after taxes) for costs associated with the restructuring of the xpedx operations, and a pre-tax gain of $18 million ($6 million after taxes) related to the Building Products divestiture.

[6] Includes the operating earnings of the xpedx business, a pre-tax charge of $6 million ($4 million after taxes) for costs associated with the restructuring of our xpedx operations, a pre-tax charge of $11 million ($7 million after taxes) for costs associated with the spin-off of the xpedx operations, and a pre-tax charge of $24 million ($15 million after taxes) for costs associated with the Building Products divestiture.

[7] Includes the operating earnings of the xpedx and Building Products businesses, a pre-tax charge of $17 million ($10 million after taxes) for costs associated with the restructuring of our xpedx operations, a pre-tax charge of $3 million ($2 million after taxes) for costs associated with the spin-off of the xpedx operations, and a pre-tax charge of $13 million ($8 million after taxes) for costs associated with the divestiture of Building Products.

[8] Includes the operating earnings of the xpedx and Building Products businesses, a pre-tax charge of $7 million ($4 million after taxes) for costs associated with the restructuring of our xpedx operations, and a pretax charge of $4 million ($3 million after taxes) for costs associated with the Building Products divestiture.