Goodwill and Other Intangible Assets - Schedule of Goodwill Rollforward (Details) $ in Millions	6 Months Ended
Jun. 30, 2021 USD ($)
Changes in the net carrying amount of goodwill by operating segment
Beginning balance	$ 8,666
Goodwill related to disposals	(1)
Foreign currency translation and other	(6)
Ending balance	$ 8,659

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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-Section S99
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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- Definition

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.

+ References

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- Definition

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

+ References

No definition available.

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- Definition

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.

+ References

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