Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Revenue - Summary (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Revenue - Summary (Details) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 3,929	$ 1,913	$ 6,832	$ 5,161
United States and Canada
Disaggregation of Revenue [Line Items]
Revenue	1,984	1,125	3,833	3,200
Latin America ("LatAm")
Disaggregation of Revenue [Line Items]
Revenue	307	213	609	691
Europe, Middle East and Africa ("EMEA")
Disaggregation of Revenue [Line Items]
Revenue	929	358	1,154	831
Asia Pacific (APAC)
Disaggregation of Revenue [Line Items]
Revenue	709	217	1,236	439
Mobility revenue
Disaggregation of Revenue [Line Items]
Revenue	1,618	787	2,471	3,254
Delivery revenue
Disaggregation of Revenue [Line Items]
Revenue	1,963	886	3,704	1,412
Freight revenue
Disaggregation of Revenue [Line Items]
Revenue	348	211	649	410
All Other revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 29	$ 8	$ 85