The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Property, plant and equipment
Property, plant and equipment, gross	$ 9,975		$ 9,975		$ 8,913
Accumulated depreciation	(3,805)		(3,805)		(3,562)
Net property, plant and equipment	6,170		6,170		5,351
Depreciation expense	130	$ 115	380	$ 365
Land
Property, plant and equipment
Property, plant and equipment, gross	165		165		163
Buildings
Property, plant and equipment
Property, plant and equipment, gross	1,944		1,944		1,653
Machinery and equipment
Property, plant and equipment
Property, plant and equipment, gross	6,736		6,736		6,214
Construction-in-progress
Property, plant and equipment
Property, plant and equipment, gross	$ 1,130		$ 1,130		$ 883