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Supplemental Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2017
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information

The following table presents the Company’s supplemental cash flow information (in millions):

 

 

Year Ended December 31,

 

 

 

2017

 

 

2016

 

 

2015

 

Supplemental Cash Flow Information:

 

 

 

 

 

 

 

 

 

 

 

 

Interest paid

 

$

320

 

 

$

124

 

 

$

82

 

Income taxes paid, net of refunds

 

$

195

 

 

$

106

 

 

$

121

 

Non-cash Investing Activities:

 

 

 

 

 

 

 

 

 

 

 

 

Fair value of consideration transferred in connection with business

   combinations

 

$

—

 

 

$

10,425

 

 

$

423