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Summary of Significant Accounting Policies - Activity and Balances of Sales Reserves (Details) - USD ($)
$ in Millions
 12 Months Ended
Mar. 27, 2021
Mar. 28, 2020
Mar. 30, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]      
Amounts Charged to Revenue $ (3) $ 29 $ 4
Retail      
Accounts Receivable, Allowance for Credit Loss [Roll Forward]      
Balance Beginning of Year 12 15 12
Amounts Charged to Revenue 176 231 226
Write-offs Against Reserves (168) (234) (223)
Balance at Year End 20 12 15
Wholesale      
Accounts Receivable, Allowance for Credit Loss [Roll Forward]      
Balance Beginning of Year 154 112 109
Amounts Charged to Revenue 137 266 262
Write-offs Against Reserves (213) (224) (259)
Balance at Year End $ 78 $ 154 $ 112