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Description of Business and Summary of Significant Accounting Policies - Narrative (Details) $ in Millions			3 Months Ended	12 Months Ended
	Sep. 27, 2021 USD ($)	May 14, 2019 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) purchasePeriod	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Subsidiary, Sale of Stock [Line Items]
Accumulated deficit				$ 23,626	$ 23,130
Insurance premium	$ 345
Charge in statement of operations			$ 103
Chargebacks and credit card losses				$ 246	$ 178	$ 195
ROU assets generated from leased assets outside of the U.S. (Less than)				12.00%	12.00%
Cost of revenue, exclusive of depreciation and amortization shown separately below				$ 9,351	$ 5,154	$ 6,061
Term of joint collaboration agreement						3 years
Share-based compensation expense				1,168	827	$ 4,596
Advertising expenses				1,700	1,000	1,300
Incentives, refunds, and credits to end-users				$ 2,400	$ 2,000	$ 2,500
Service-Based Awards
Subsidiary, Sale of Stock [Line Items]
Requisite service period				4 years
Expected dividend yield				0.00%
Performance-Based Awards
Subsidiary, Sale of Stock [Line Items]
Requisite service period				4 years
Expected dividend yield				0.00%	0.00%	0.00%
Share-based compensation, award vesting period				4 years
Market-Based Awards
Subsidiary, Sale of Stock [Line Items]
Share-based compensation, award vesting period				4 years
Employee Stock Purchase Plan
Subsidiary, Sale of Stock [Line Items]
Consecutive offering period				12 months
Number of purchase periods \| purchasePeriod				2
Purchase period				6 months
Employee stock purchase plan, discount from market price				15.00%
IPO
Subsidiary, Sale of Stock [Line Items]
Share-based compensation expense		$ 3,600
Sales and marketing
Subsidiary, Sale of Stock [Line Items]
Share-based compensation expense				$ 83	$ 48	$ 243
End-Users Fee \| Mobility
Subsidiary, Sale of Stock [Line Items]
Revenue excluding vehicle solutions revenue				336	323
End-Users Fee \| Delivery
Subsidiary, Sale of Stock [Line Items]
Revenue excluding vehicle solutions revenue				710	91
Cost of revenue, exclusive of depreciation and amortization shown separately below				$ 2,400	$ 439
Minimum
Subsidiary, Sale of Stock [Line Items]
Intangible assets estimated useful lives				1 year
Maximum
Subsidiary, Sale of Stock [Line Items]
Intangible assets estimated useful lives				18 years