Industry Segment and Geographic Data (Details 2) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Total assets for each reportable segment
Total assets	$ 4,896		$ 4,679		$ 4,400
Water Infrastructure
Total assets for each reportable segment
Total assets	2,989		2,844		2,745
Applied Water
Total assets for each reportable segment
Total assets	1,340		1,253		1,241
Corporate and other
Total assets for each reportable segment
Total assets	$ 567	[1]	$ 582	[1]	$ 414	[1]

[1] Corporate and other consists of items pertaining to our corporate headquarters function, which principally consist of deferred tax assets and certain property, plant and equipment.