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Acquisitions and Dispositions (Tables)
9 Months Ended
Sep. 30, 2012
Acquisitions and Dispositions  
Consideration transferred and preliminary value of intangible assets

NinemonthsendedSeptember30,

(millions)

2012

2011

Consideration

$

110

$

100

Intangible assets:

Goodwill

$

60

$

58

Other intangible assets

56

29

$

116

$

87