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Business Combinations (Details) - USD ($)
$ in Millions
8 Months Ended
Mar. 17, 2020
May 12, 2019
Business Combinations [Abstract]    
Payments to Acquire Businesses, Gross $ 998 $ 0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets 255  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities 192  
Business Acquisition, Goodwill, Expected Tax Deductible Amount $ 935