Restructuring Charges (Restructuring Charges) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Restructuring Cost and Impairment Charge
Severance and other charges	$ 6	$ 1	$ 18	$ 6
Lease related charges	1	0	1	0
Reversal of restructuring accruals	(1)	0	(1)	(1)
Restructuring charges	6	1	18	5
Water Infrastructure
Restructuring Cost and Impairment Charge
Restructuring charges	5	1	12	5
Applied Water
Restructuring Cost and Impairment Charge
Restructuring charges	1	0	4	0
Corporate Segment
Restructuring Cost and Impairment Charge
Restructuring charges	$ 0	$ 0	$ 2	$ 0

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

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