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Supplemental Balance Sheet Data

3 Months Ended

Mar. 31, 2021

Statement of Financial Position [Abstract]

Additional Financial Information Disclosure

Supplemental Balance Sheet Data

The following schedule presents a summary of inventories by major class:


	March 31, 2021						December 31, 2020
	LIFO		Non-LIFO		Total		LIFO		Non-LIFO		Total
Raw materials	$	132	$	261	$	393	$	131	$	263	$	394
Work in process	112		84		196		103		86		189
Finished goods	532		721		1,253		453		749		1,202
Supplies and other	—		270		270		—		263		263
	776		1,336		2,112		687		1,361		2,048
Excess of FIFO or weighted-average cost over LIFO cost	(156)		—		(156)		(145)		—		(145)
Total	$	620	$	1,336	$	1,956	$	542	$	1,361	$	1,903

Inventories are valued at the lower of cost or net realizable value, determined on the FIFO or weighted-average cost methods, and at the lower of cost or market, determined on the LIFO cost method.

The following schedule presents a summary of property, plant and equipment, net:


	March 31, 2021		December 31, 2020
Land	$	170	$	174
Buildings	2,902		2,932
Machinery and equipment	14,390		14,382
Construction in progress	738		845
	18,200		18,333
Less accumulated depreciation	(10,313)		(10,291)
Total	$	7,887	$	8,042