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Supplemental Financial Statement Data - Total Warranty Accrual (Details) - USD ($)
$ in Millions
Jan. 01, 2021
Oct. 02, 2020
Jul. 03, 2020
Jan. 03, 2020
Oct. 04, 2019
Jun. 28, 2019
Warranty accrual            
Current portion (included in Accrued expenses) $ 166   $ 205      
Long-term portion (included in Other liabilities) 200   203      
Total warranty accrual $ 366 $ 391 $ 408 $ 378 $ 357 $ 350