Property, Plant and Equipment

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

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

	2022	2021
Land	$376	$377
Buildings and land improvements	14,404	14,152
Machinery and equipment	15,844	15,692
Construction in progress	1,368	1,235
Gross property, plant and equipment	31,992	31,456
Less accumulated depreciation	(21,442)	(20,538)
Total	$10,550	$10,918

Depreciation expense was $1,396, $1,488 and $1,533 for 2022, 2021 and 2020, respectively. Interest capitalized in 2022, 2021 and 2020 totaled $89, $76 and $81, respectively.

During 2022 and 2021, we acquired $101 and $46 of property, plant and equipment through non-cash investing and financing transactions. Accounts payable related to purchases of property, plant and equipment were $396 and $295 for the years ended December 31, 2022 and 2021.