Property, plant and equipment, net of accumulated depreciation, consisted of the following:


	March 31, 2025		December 31, 2024
Land and land improvements	$	238	$	236
Buildings	418		407
Machinery and equipment	2,792		2,621
Construction-in-progress	404		490
Other	37		35
Subtotal	3,889		3,789
Less: accumulated depreciation	(1,967)		(1,862)
Property, plant and equipment, net	$	1,922	$	1,927

Substantially all of the property, plant and equipment, net is pledged as collateral for our debt.

The table below summarizes depreciation expense related to property, plant and equipment for the periods presented, recorded in the specific line items in our unaudited Condensed Consolidated Statements of Operations:


	Three Months Ended March 31,
	2025		2024
Cost of goods sold	$	53	$	56
Selling, general and administrative expenses	1		1
Total	$	54	$	57