Goodwill and Intangible Assets - Goodwill (Details) $ in Millions	6 Months Ended
Jun. 30, 2022 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 8,420
Acquisitions	64
Measurement period adjustment	3
Reclass to Assets held for sale	(16)
Foreign currency translation adjustment	(112)
Goodwill, ending balance	8,359
Mobility
Goodwill [Roll Forward]
Goodwill, beginning balance	2,581
Acquisitions	64
Measurement period adjustment	0
Reclass to Assets held for sale	(16)
Foreign currency translation adjustment	(111)
Goodwill, ending balance	2,518
Delivery
Goodwill [Roll Forward]
Goodwill, beginning balance	4,401
Acquisitions	0
Measurement period adjustment	0
Reclass to Assets held for sale	0
Foreign currency translation adjustment	(1)
Goodwill, ending balance	4,400
Freight
Goodwill [Roll Forward]
Goodwill, beginning balance	1,438
Acquisitions	0
Measurement period adjustment	3
Reclass to Assets held for sale	0
Foreign currency translation adjustment	0
Goodwill, ending balance	$ 1,441

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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Amount of transfers into (out of) an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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