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Goodwill and Other Intangible Assets - Schedule of Goodwill Rollforward (Details)
$ in Millions
6 Months Ended
Jun. 30, 2020
USD ($)
Changes in the net carrying amount of goodwill by operating segment  
Beginning balance $ 8,165
Goodwill related to current year acquisitions 315
Goodwill related to disposals (3)
Foreign currency translation (121)
Ending balance $ 8,356