Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Property, plant and equipment
Property, plant and equipment, gross	$ 7,634		$ 7,533
Accumulated depreciation	(3,135)		(3,063)
Net property, plant and equipment	4,499		4,470
Depreciation expense	124	$ 122
Land
Property, plant and equipment
Property, plant and equipment, gross	151		153
Buildings
Property, plant and equipment
Property, plant and equipment, gross	1,425		1,433
Machinery and equipment
Property, plant and equipment
Property, plant and equipment, gross	5,467		5,513
Construction-in-progress
Property, plant and equipment
Property, plant and equipment, gross	$ 591		$ 434

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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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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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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