Property, plant and equipment at December 31 consisted of the following:

	2016				2015
Land		$535				$536
Buildings and land improvements	13,796				12,397
Machinery and equipment	13,569				13,187
Construction in progress	1,790				2,242
Gross property, plant and equipment	29,690				28,362
Less accumulated depreciation	(16,883		)		(16,286		)
Total		$12,807				$12,076