Goodwill And Other Intangibles (Changes In Goodwill Balances) (Details) - USD ($) $ in Millions	3 Months Ended					12 Months Ended
	Dec. 31, 2014		Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Goodwill [Roll Forward]
Goodwill	$ 7,414					$ 7,113		$ 7,414		$ 7,928
Goodwill, Impaired, Accumulated Impairment Loss	(3,641)	[1]				(3,778)		(3,641)	[1]	(3,941)	[2]
Reclassifications and other						(168)	[3]	(94)
Additions/reductions						(133)		(20)
Impairment of goodwill and other intangibles						(137)		(100)
Write off of goodwill								(400)
Write off of accumulated impairment loss								400
Total	3,773					3,335		3,773		3,987
Industrial Packaging [Member]
Goodwill [Roll Forward]
Goodwill	3,396					3,325		3,396		3,430
Goodwill, Impaired, Accumulated Impairment Loss	(100)	[1]				(237)		(100)	[1]	0	[2]
Reclassifications and other						(70)	[3]	(34)	[4]
Additions/reductions						(1)		0
Impairment of goodwill and other intangibles	(100)		$ 0	$ 0	$ 0	(137)	[5]	(100)
Write off of goodwill								0
Write off of accumulated impairment loss								0
Total	3,296					3,088		3,296		3,430
Printing Papers [Member]
Goodwill [Roll Forward]
Goodwill	2,234					2,124		2,234		2,311
Goodwill, Impaired, Accumulated Impairment Loss	(1,877)	[1]				(1,877)		(1,877)	[1]	(1,877)	[2]
Reclassifications and other						(95)	[3]	(57)
Additions/reductions						(15)	[6]	(20)	[7]
Impairment of goodwill and other intangibles						0		0
Write off of goodwill								0
Write off of accumulated impairment loss								0
Total	357					247		357		434
Consumer Packaging [Member]
Goodwill [Roll Forward]
Goodwill	1,784					1,664		1,784		1,787
Goodwill, Impaired, Accumulated Impairment Loss	(1,664)	[1]				(1,664)		(1,664)	[1]	(1,664)	[2]
Reclassifications and other						(3)	[3]	(3)
Additions/reductions						(117)	[8]	0
Impairment of goodwill and other intangibles						0		0		(112)
Write off of goodwill								0
Write off of accumulated impairment loss								0
Total	120					$ 0		120		123
Distribution [Member]
Goodwill [Roll Forward]
Goodwill	0							0		400
Goodwill, Impaired, Accumulated Impairment Loss	0							0		(400)	[2]
Reclassifications and other								0
Additions/reductions								0
Impairment of goodwill and other intangibles								0
Write off of goodwill								(400)
Write off of accumulated impairment loss								400
Total	$ 0							$ 0		$ 0

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

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

[3] Represents the effects of foreign currency translations and reclassifications.

[4] Represents the effects of foreign currency translations and reclassifications.

[5] Reflects a charge for goodwill impairment related to our Brazil Industrial Packaging business.

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

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

[8] Reduction due to the sale and de-consolidation of Shandong Sun joint venture in Asia.