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Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jan. 29, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Subsequent Event [Line Items]          
Dividends declared per common share (in dollars per share)   $ 0.1746 $ 0.1518 $ 0.3492 $ 0.3036
Subsequent Event          
Subsequent Event [Line Items]          
Dividends declared per common share (in dollars per share) $ 0.1746        
Subsequent Event | Minimum | Fiscal 2020 Restructuring Plan          
Subsequent Event [Line Items]          
Restructuring plan, expected cost $ 26        
Subsequent Event | Maximum | Fiscal 2020 Restructuring Plan          
Subsequent Event [Line Items]          
Restructuring plan, expected cost 34        
Workforce restructurings | Subsequent Event | Minimum | Fiscal 2020 Restructuring Plan          
Subsequent Event [Line Items]          
Restructuring plan, expected cost 13        
Workforce restructurings | Subsequent Event | Maximum | Fiscal 2020 Restructuring Plan          
Subsequent Event [Line Items]          
Restructuring plan, expected cost 17        
Facility consolidations | Subsequent Event | Minimum | Fiscal 2020 Restructuring Plan          
Subsequent Event [Line Items]          
Restructuring plan, expected cost 13        
Facility consolidations | Subsequent Event | Maximum | Fiscal 2020 Restructuring Plan          
Subsequent Event [Line Items]          
Restructuring plan, expected cost $ 17