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Income Tax Expense - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended
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Oct. 04, 2019 | Sep. 28, 2018
Income Tax Disclosure [Line Items] |  |
U.S. Federal statutory rate | 21.00% |
Provisional income tax expense (benefit) related to remeasurement of deferred tax balances |  | $ 52
Unrecognized tax benefits | $ 691 |
Penalties and interest accrued on unrecognized tax benefits | 126 |
Potential payables related to unrecognized tax benefits | 698 |
Internal Revenue Service (IRS) |  |
Income Tax Disclosure [Line Items] |  |
Federal tax related to adjustments for transfer pricing | 535 |
Internal Revenue Service (IRS) | Tax Year 2008 Through 2009 |  |
Income Tax Disclosure [Line Items] |  |
Federal tax, subject to interest | 516 |
Internal Revenue Service (IRS) | Tax Years 2010 Through 2012 |  |
Income Tax Disclosure [Line Items] |  |
Federal tax, subject to interest | $ 549 |

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