Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2021

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Paid for Interest and Income Taxes

December 31,	2021			2020			2019
Right-of-use assets obtained in exchange for operating lease obligations	$	16		$	35		$	26
Weighted-average remaining lease term in years	6			6			6
Weighted-average discount rate	5.4		%	5.6		%	5.9		%

Cash paid for interest and income taxes for both continuing and discontinued operations was as follows:

	2021		2020		2019
Interest, net of amounts capitalized	$	267	$	401	$	340
Income taxes, net of amounts refunded	$	53	$	(33)	$	122