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Share Repurchases - Additional Information (Details) - USD ($)
$ in Millions
Nov. 02, 2019
Feb. 26, 2019
Feb. 02, 2019
Nov. 03, 2018
Disclosure Share Repurchases Additional Information [Abstract]        
Stock Repurchase Program, Authorized Amount   $ 1,000    
Share repurchases, remaining amount $ 850   $ 287  
Stock Repurchase Program Amount Not Paid $ 0   $ 0 $ 0