Property and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment
Finance lease right-of-use assets, gross	$ 2,840	$ 2,295
Property, equipment and finance lease right-of-use assets, gross	77,889	61,051
Less: Accumulated depreciation	(20,080)	(15,418)
Property and equipment, net	57,809	45,633
Depreciation expense	7,560	6,390	$ 5,180
Land
Property, Plant and Equipment
Property and equipment, gross	1,688	1,326
Servers and network assets
Property, Plant and Equipment
Property and equipment, gross	25,584	20,544
Depreciation expense	4,940	4,380	$ 3,690
Buildings
Property, Plant and Equipment
Property and equipment, gross	22,531	17,360
Leasehold improvements
Property, Plant and Equipment
Property and equipment, gross	5,795	4,321
Equipment and other
Property, Plant and Equipment
Property and equipment, gross	4,764	3,917
Construction in progress
Property, Plant and Equipment
Property and equipment, gross	$ 14,687	$ 11,288

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 amortization, of right-of-use asset from finance lease.

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Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

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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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