Goodwill and Other Intangible Assets, Net - Goodwill (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 3,030
Acquisitions	39
Currency translation adjustments	(108)
Goodwill, ending balance	2,961
Americas
Goodwill [Roll Forward]
Goodwill, beginning balance	2,428
Acquisitions	32
Currency translation adjustments	(86)
Goodwill, ending balance	2,374
EMEA
Goodwill [Roll Forward]
Goodwill, beginning balance	385
Acquisitions	0
Currency translation adjustments	(14)
Goodwill, ending balance	371
APAC
Goodwill [Roll Forward]
Goodwill, beginning balance	217
Acquisitions	7
Currency translation adjustments	(8)
Goodwill, ending balance	$ 216

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 increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments 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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