Supplemental cash flow (Tables)

6 Months Ended

Jun. 30, 2020

Supplemental cash flow

Schedule of supplemental cash flow

	Six Months Ended
		June 30,
	2020		2019
Supplemental cash flow information:
Cash paid for interest	$	122	$	128
Supplemental non-cash investing and financing activities:
Accrued capital expenditures		41		19