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Supplemental Financial Statement Data - Warranty Accrual Roll Forward (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jan. 01, 2021
Jan. 03, 2020
Jan. 01, 2021
Jan. 03, 2020
Movement in Standard Product Warranty Accrual [Roll Forward]        
Warranty accrual, beginning of period $ 391 $ 357 $ 408 $ 350
Charges to operations 24 50 59 99
Utilization (24) (35) (55) (83)
Changes in estimate related to pre-existing warranties (25) 6 (46) 12
Warranty accrual, end of period $ 366 $ 378 $ 366 $ 378