Goodwill and Other Intangible Assets - Schedule of Goodwill Rollforward (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($)
Changes in the net carrying amount of goodwill by operating segment
Beginning balance	$ 8,165
Goodwill related to current year acquisitions	303
Goodwill related to disposals	(3)
Goodwill related to prior year acquisitions	0
Foreign currency translation	(172)
Ending balance	$ 8,293

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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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting 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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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 divestiture 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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