v2.4.0.6
Goodwill and Other Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2012
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 for the nine months ended September 30, 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
 
 
 
 
 
Goodwill acquired
7

 
—

 
7

Foreign currency and other
2

 
2

 
4

Balance as of September 30, 2012
$
1,063

 
$
558

 
$
1,621
Other Intangible Assets
Information regarding our other intangible assets is as follows:
 
 
September 30, 2012
 
December 31, 2011
(in millions)
Carrying
Amount
 
Accumulated
Amortization
 
Net
Intangibles
 
Carrying
Amount
 
Accumulated
Amortization
 
Net
Intangibles
Customer and distributor relationships
$
311

 
$
(69
)
 
$
242

 
$
309

 
$
(51
)
 
$
258

Proprietary technology
104

 
(27
)
 
77

 
102

 
(23
)
 
79

Trademarks
32

 
(13
)
 
19

 
32

 
(11
)
 
21

Patents and other
21

 
(16
)
 
5

 
21

 
(15
)
 
6

Indefinite-lived intangibles
142

 
—

 
142

 
141

 
—

 
141

 
$
610

 
$
(125
)
 
$
485

 
$
605

 
$
(100
)
 
$
505