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Supplemental Cash Flow Information (Tables)
12 Months Ended
Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]  
Schedule of supplemental cash flow information

Supplemental cash flow information is as follows (amounts in millions):

 
For the Years Ended December 31,
 
2019
 
2018
 
2017
Supplemental cash flow information:
 

 
 

 
 

Cash paid for income taxes, net of refunds
$
319

 
$
560

 
$
176

Cash paid for interest
86

 
150

 
145



The beginning and ending cash and cash equivalents and restricted cash reported within our consolidated statement of cash flows included restricted cash amounts as follows (amounts in millions):

 
At December 31,
 
2019
 
2018
 
2017
Beginning restricted cash
$
4

 
$
7

 
$
17

Ending restricted cash
4

 
4

 
7