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Income Tax Expense - Tax Expense and Effective Tax Rate (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jan. 01, 2021
Jan. 03, 2020
Jan. 01, 2021
Jan. 03, 2020
Income Tax Disclosure [Abstract]        
Income (loss) before taxes $ 85 $ (40) $ 82 $ (277)
Income tax expense $ 23 $ 99 $ 80 $ 138
Effective tax rate 27.00% (248.00%) 98.00% (50.00%)