Acquisitions (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended			1 Months Ended	3 Months Ended
	Mar. 31, 2011	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2010 SCA Packaging Asia [Member]	Mar. 29, 2011 Andhra Pradesh Paper Mills Limited [Member]	Mar. 31, 2011 Andhra Pradesh Paper Mills Limited [Member] MT
Percentage of outstanding shares agreed to be acquired					53.50%
Acquisition of businesses, cash paid				$ 168	$ 257
Non - compete payment					62
Percentage of additional outstanding shares agreed to be acquired						21.50%
Payment for additional shares agreed to be acquired						104
Percentage of outstanding shares anticipated to be acquired						75.00%
Paper mills, quantity						2
Combined production capacity (in tonnes)						250,000
Escrow arrangement	105	105	0
Preliminary purchase price				202
Acquisition of SCA Packaging Asia, debt assumed				$ 34
Number of corrugated box plants				13
Number of specialty packaging facilities				2