Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying value of goodwill by operating segment

Changes in the carrying value of goodwill by operating segment during the years ended December 31, 2013 and 2012 are as follows:

(in millions)	Water Infrastructure		Applied Water		Total
Balance as of December 31, 2011	$	1,054	$	556	$	1,610
Activity in 2012
Acquisitions	19		—		19
Foreign currency and other	12		6		18
Balance as of December 31, 2012	$	1,085	$	562	$	1,647
Activity in 2013
Acquisitions	48		—		48
Foreign currency and other	16		7		23
Balance as of December 31, 2013	$	1,149	$	569	$	1,718

Other Intangible Assets

Information regarding our other intangible assets is as follows:

(in millions)	December 31, 2013							December 31, 2012
	Carrying Amount		Accumulated Amortization			Net Intangibles		Carrying Amount		Accumulated Amortization			Net Intangibles
Customer and distributor relationships	$	352	$	(104	)	$	248	$	317	$	(75	)	$	242
Proprietary technology	109		(36		)	73		105		(29		)	76
Trademarks	35		(16		)	19		33		(14		)	19
Patents and other	20		(17		)	3		21		(17		)	4
Indefinite-lived intangibles	145		—			145		143		—			143
Other intangibles	$	661	$	(173	)	$	488	$	619	$	(135	)	$	484

Estimated Amortization Expense

Estimated amortization expense for each of the five succeeding years is as follows:

(in millions)
2014	$	36
2015	35
2016	35
2017	34
2018	34