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Goodwill and Intangible Assets - Acquired Intangible Assets (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Acquired intangible assets disclosures    
Total gross carrying amount $ 8,261 $ 4,198
Total accumulated amortization (2,520) (2,182)
Total finite-lived intangible assets - net 5,741 2,016
Non-amortizable intangible assets (primarily tradenames) 638 641
Total intangible assets - net $ 6,379 2,657
Indefinite lived tradenames years in existence 55 years  
Customer related intangible assets    
Acquired intangible assets disclosures    
Total gross carrying amount $ 4,316 2,291
Total accumulated amortization (1,180) (998)
Patents    
Acquired intangible assets disclosures    
Total gross carrying amount 538 542
Total accumulated amortization (499) (487)
Other technology-based intangible assets    
Acquired intangible assets disclosures    
Total gross carrying amount 2,124 576
Total accumulated amortization (435) (333)
Definite-lived tradenames    
Acquired intangible assets disclosures    
Total gross carrying amount 1,158 664
Total accumulated amortization (316) (276)
Other amortizable intangible assets    
Acquired intangible assets disclosures    
Total gross carrying amount 125 125
Total accumulated amortization $ (90) $ (88)