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Acquisitions and Divestitures (Tables)
 3 Months Ended
Mar. 31, 2015
Acquisitions and Divestitures [Abstract]  
Schedule of components of income and assets and liabilities from discontinued operations
The key components of income from discontinued operations for the three months ended March 31, 2014 consist of the following:

(in millions)
 
Revenue
$
40

Expenses
29

Operating income
11

Provision for taxes on income
4

Income from discontinued operations, net of tax
$
7