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Investments In and Advances To Affiliates (Tables)
6 Months Ended
Jun. 30, 2017
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]  
Investments In and Advances to Affiliates Financial Information
The following table summarizes financial information of the Company’s 50%-or-less-owned affiliates that are accounted for using the equity method (in millions):
 
Six Months Ended June 30,
50%-or-less-Owned Affiliates
2017
 
2016
Revenue
$
341

 
$
286

Operating margin
65

 
69

Net income
23

 
30