Goodwill and Intangible Assets - Goodwill (Details) $ in Millions	6 Months Ended
Jun. 30, 2020 USD ($)
Goodwill [Roll Forward]
Goodwill	$ 167
Acquisitions (Note 16)	2,484
Goodwill impairment	(100)
Foreign currency translation adjustment	(33)
Goodwill	2,518
Mobility
Goodwill [Roll Forward]
Goodwill	25
Acquisitions (Note 16)	2,484
Goodwill impairment	0
Foreign currency translation adjustment	(33)
Goodwill	2,476
Delivery
Goodwill [Roll Forward]
Goodwill	13
Acquisitions (Note 16)	0
Goodwill impairment	0
Foreign currency translation adjustment	0
Goodwill	13
Freight
Goodwill [Roll Forward]
Goodwill	0
Acquisitions (Note 16)	0
Goodwill impairment	0
Foreign currency translation adjustment	0
Goodwill	0
ATG and Other Technology Programs
Goodwill [Roll Forward]
Goodwill	29
Acquisitions (Note 16)	0
Goodwill impairment	0
Foreign currency translation adjustment	0
Goodwill	29
Other Bets
Goodwill [Roll Forward]
Goodwill	100
Acquisitions (Note 16)	0
Goodwill impairment	(100)
Foreign currency translation adjustment	0
Goodwill	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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