The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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Condensed Consolidated Financial Statement Details - Intangible Assets, Software and Impairments - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	$ 534	$ 595	$ 1,636	$ 1,789
Asset impairments	17	202	104	202
Software and Deferred Contract Cost Assets
Finite-Lived Intangible Assets [Line Items]
Asset impairments				202
Property and Equipment
Finite-Lived Intangible Assets [Line Items]
Depreciation expense	56	62	192	195
Software
Finite-Lived Intangible Assets [Line Items]
Amortization expense	261	303	822	758
Platform Initiatives
Finite-Lived Intangible Assets [Line Items]
Software amortization expense	31	83	140	$ 83
Platform Initiatives \| Software and Deferred Contract Cost Assets
Finite-Lived Intangible Assets [Line Items]
Asset impairments	17	$ 202
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, net	8,919		8,919
Trademarks and Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, net	$ 281		$ 281