Leases (Tables)

6 Months Ended

Jun. 30, 2021

Leases [Abstract]

Schedule of operating lease expense

Our leasing activities primarily consist of operating leases for administrative offices, manufacturing facilities, research centers, service centers, sales offices and certain equipment.

	Three Months Ended June 30,				Six Months Ended June 30,
Operating Lease Expense	2021		2020		2021		2020
Long-term fixed lease	$	65	$	70	$	128	$	142
Long-term variable lease	8		9		16		20
Short-term lease	110		119		210		280
Total operating lease expense	$	183	$	198	$	354	$	442