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Goodwill and Other Intangible Assets - Narrative (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
reporting_unit
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Goodwill [Line Items]      
Number of reporting units | reporting_unit 12    
Goodwill, impairment loss $ 0 $ 0 $ 0
Total amortization expense 293,000,000 $ 135,000,000 $ 65,000,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
2020 336,000,000    
2021 330,000,000    
2022 315,000,000    
2023 308,000,000    
2024 306,000,000    
Minimum      
Goodwill [Line Items]      
Goodwill by reporting unit 15,000,000    
Maximum      
Goodwill [Line Items]      
Goodwill by reporting unit $ 3,800,000,000    
Customer Relationships and Developed Technology      
Acquired Finite-Lived Intangible Assets [Line Items]      
Weighted average useful life 11 years 12 years