Accounts Receivable - Net (Tables)

12 Months Ended

Dec. 31, 2020

Accounts Receivable Net Current [Abstract]

Accounts Receivable - Net

	December 31,
	2020			2019
Accounts receivable	$	875		$	834
Allowance for doubtful accounts		(12	)		(17	)
	$	863		$	817