Business Segments (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	$ (8)	$ (25)	$ (16)
Operating Segments
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(8)	(23)	(12)
Corporate
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	0	(2)	(4)
North America
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(4)	(9)	2
Europe, Middle East and Africa
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(1)	(9)	(1)
Latin America
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(1)	(4)	(4)
Asia Pacific
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	$ (2)	$ (1)	$ (9)