Financial Information By Industry Segment And Geographic Area (Information By Geographic Area, Long-Lived Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Assets, Noncurrent	$ 14,229	[1]	$ 14,571	[1]
United States [Member]
Segment Reporting Information [Line Items]
Assets, Noncurrent	10,056	[1]	10,484	[1]
Europe [Member]
Segment Reporting Information [Line Items]
Assets, Noncurrent	1,126	[1]	1,022	[1]
Pacific Rim And Asia [Member]
Segment Reporting Information [Line Items]
Assets, Noncurrent	946	[1]	982	[1]
Americas, Other Than U.S. [Member]
Segment Reporting Information [Line Items]
Assets, Noncurrent	1,772	[1]	1,773	[1]
Corporate [Member]
Segment Reporting Information [Line Items]
Assets, Noncurrent	$ 329	[1]	$ 310	[1]

[1] Long-Lived Assets includes Forestlands and Plants, Properties and Equipment, net.