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Goodwill and Intangible Assets Intangible Asset Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Mar. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]            
Totals $ 875   $ 875     $ 1,114
Amortization of intangible assets 40 $ 16 86 $ 32    
Accumulated amortization 95   95     $ 9
Developed and Acquired Technology            
Finite-Lived Intangible Assets [Line Items]            
Totals         $ 159  
Accumulated amortization 73   73      
Trade Names            
Finite-Lived Intangible Assets [Line Items]            
Accumulated amortization $ 22   $ 22