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Income Tax Expense (Benefit) (Tables) | 3 Months Ended
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Sep. 28, 2018
Income Tax Disclosure [Abstract] |
Income Tax Expense (Benefit) and Effective Tax Rate | The following table presents the Company’s income tax expense and the effective tax rate, which reflect provisional amounts related to the 2017 Act as discussed above:
| Three Months Ended
| September 28, 2018 |  | September 29, 2017
| (in millions)
Income before taxes | $ | 583 |  |  | $ | 710 |
Income tax expense | $ | 72 |  |  | $ | 29 |
Effective tax rate | 12 | % |  | 4 | %

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