Restructuring and Other Charges - Schedule of Restructuring Liability (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 28, 2019
Jun. 29, 2019
Mar. 30, 2019
Dec. 29, 2018
Sep. 29, 2018
Jun. 30, 2018
Mar. 28, 2020
Mar. 30, 2019
Mar. 31, 2018
Restructuring Reserve [Roll Forward]                    
Restructuring liability, beginning balance $ 64   $ 64         $ 64    
Additions charged to expense   $ 5 1 $ 31 $ 8 $ 2 $ 7      
Restructuring liability, ending balance       64       9 $ 64  
Lease-related and other costs                    
Restructuring Reserve [Roll Forward]                    
Additions charged to expense               3    
Retail Fleet Optimization Plan                    
Restructuring Reserve [Roll Forward]                    
Restructuring liability, beginning balance 55   55         55    
ASC 864 (Leases) Adjustment (46)                  
Additions charged to expense               5 41 $ 53
Payments               (9)    
Restructuring liability, ending balance 9     55       5 55  
Retail Fleet Optimization Plan | Severance and benefit costs                    
Restructuring Reserve [Roll Forward]                    
Restructuring liability, beginning balance 2   2         2    
ASC 864 (Leases) Adjustment 0                  
Additions charged to expense               0 3 1
Payments               (1)    
Restructuring liability, ending balance 2     2       1 2  
Retail Fleet Optimization Plan | Lease-related and other costs                    
Restructuring Reserve [Roll Forward]                    
Restructuring liability, beginning balance 53   $ 53         53    
ASC 864 (Leases) Adjustment (46)                  
Additions charged to expense               5 38 $ 52
Payments               (8)    
Restructuring liability, ending balance $ 7     $ 53       $ 4 $ 53