Changes in Goodwill Balances (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013		Dec. 31, 2012
Goodwill [Line Items]
Goodwill	$ 7,744
Accumulated impairment losses	(3,429)	[1]
Total	4,437		4,315
Reclassifications and other	(56)	[2]
Additions/reductions	178
Goodwill	7,866
Accumulated impairment losses	(3,429)	[1]
Industrial Packaging
Goodwill [Line Items]
Goodwill	3,165
Accumulated impairment losses	0	[1]
Total	3,341		3,165
Reclassifications and other	(14)	[2]
Additions/reductions	190	[3]
Goodwill	3,341
Accumulated impairment losses	0	[1]
Printing Papers
Goodwill [Line Items]
Goodwill	2,396
Accumulated impairment losses	(1,765)	[1]
Total	575		631
Reclassifications and other	(44)	[2]
Additions/reductions	(12)	[4]
Goodwill	2,340
Accumulated impairment losses	(1,765)	[1]
Consumer Packaging
Goodwill [Line Items]
Goodwill	1,783
Accumulated impairment losses	(1,664)	[1]
Total	121		119
Reclassifications and other	2	[2]
Additions/reductions	0
Goodwill	1,785
Accumulated impairment losses	(1,664)	[1]
Distribution
Goodwill [Line Items]
Goodwill	400
Accumulated impairment losses	0	[1]
Total	400		400
Reclassifications and other	0	[2]
Additions/reductions	0
Goodwill	400
Accumulated impairment losses	$ 0	[1]

[1] (a)Represents accumulated goodwill impairment charges since the adoption of ASC 350, “Intangibles – Goodwill and Other” in 2002.

[2] (b)Represents the effects of foreign currency translations and reclassifications.

[3] (c)Represents Orsa IP, the newly formed joint venture in Brazil.

[4] (d)Reflects a reduction from tax benefits generated by the deduction of goodwill amortization for tax purposes in Brazil.