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Supplemental cash flow
 12 Months Ended
Dec. 31, 2018
Supplemental cash flow  
Supplemental cash flow

22.  SUPPLEMENTAL CASH FLOW

Selected cash payments and non-cash activities were as follows:

 

 

 

 

 

 

 

 

 

 

 

 

 

Year ended December 31, 

 

 

2018

    

2017

 

2016

Supplemental cash flow information:

 

 

 

 

 

 

 

 

 

Cash paid for interest

 

$

(152)

 

$

(41)

 

$

(30)

Income tax refunds (payments)

 

 

 1

 

 

 1

 

 

(7)

Supplemental non-cash investing and financing activities:

 

 

 

 

 

 

 

 

 

Accrued capital expenditures

 

$

22

 

$

18

 

$

 2

Acquisitions

 

 

24

 

 

1,197

 

 

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