Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2020

Supplemental Cash Flow Elements [Abstract]

Schedule of Supplemental Cash Flow information

The following supplemental cash flow information is provided with respect to certain cash payment and non-cash investing and financing activities.

	Three months ended March 31,
	2020		2019
Cash paid for:
Interest	$	22	$	22
Income taxes	4		6
Non-cash investing and financing activities:
Change in proceeds of sales of investments available for sale receivable in period	$	—	$	(44)
Change in purchases of investments available for sale payable in period	—		20
Change in treasury stock purchases payable in period	5		—
Lease liabilities recognized in exchange for lease right-of-use assets	8		6
Remeasurement of lease liabilities	22		9