Condensed Consolidated Financial Statement Details - Summary of Net Assets (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Condensed Consolidated Financial Statement Details [Abstract]
Property and equipment, cost	$ 2,417	$ 2,292
Property and equipment, accumulated depreciation and amortization	1,571	1,405
Property and equipment, net	846	887
Intangible assets, cost	18,939	19,141
Intangible assets, accumulated depreciation and amortization	6,899	5,213
Intangible assets, net	12,040	13,928
Software, cost	5,862	5,535
Software, accumulated depreciation and amortization	2,721	2,165
Software, net	$ 3,141	$ 3,370

Condensed Consolidated Financial Statement Details.

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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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For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs.

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Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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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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