Segment Information (Reconciliation Of Segment Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting [Abstract]
Segment income of reportable segments	$ 223	$ 214
Segment income of non-reportable segments	22	23
Corporate and unallocated items	(50)	(56)
Provision for restructuring	(4)	0
Gains (Losses) on Extinguishment of Debt	38	0
Interest expense	(60)	(58)
Interest income	2	2
Translation and foreign exchange	(2)	(3)
Income before income taxes and equity earnings	93	122
Intercompany profit related to non-reportable segments	$ 2	$ 1