Segment Information (Details 1) - USD ($) $ in Millions		Sep. 30, 2015	Dec. 31, 2014
Total assets for each reportable segment
Total assets		$ 4,645	$ 4,860
Water Infrastructure
Total assets for each reportable segment
Total assets		2,044	2,128
Applied Water
Total assets for each reportable segment
Total assets		1,101	1,114
Regional Selling Location
Total assets for each reportable segment
Total assets	[1]	908	961
Corporate and other
Total assets for each reportable segment
Total assets	[2]	$ 592	$ 657

[1] The Regional selling locations have assets that consist primarily of cash, accounts receivable and inventory which are not allocated to the segments.

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