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ACCOUNTING CHANGES OR RECENT ACCOUNTING PRONOUNCEMENTS - Additional Information (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jul. 01, 2017 | Jun. 29, 2018 | Jun. 28, 2019 | Jun. 29, 2018 | Jun. 30, 2017 | Jul. 01, 2016 | Sep. 29, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Reduction in prepaid income taxes |  | $ (26) |  | $ (26) | $ (375) |  |
Non-current deferred income taxes |  | 116 |  | 116 | 409 |  |
Reclassification of stranded tax effects of Tax and Jobs Act of 2017 from accumulated other comprehensive loss to retained earnings | $ 35 | $ 35 |  | 0 |  |  |
Decrease in operating income |  |  |  | (1,122) | (1,073) | $ (1,055) |
Increase in net non-operating components of income from continuing operations |  |  |  | (3) | 0 | $ 0 |
Intra-entity Transfers of Assets Other Than Inventory |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Reduction in prepaid income taxes |  |  |  |  |  |  | $ 27
Non-current deferred income taxes |  |  |  |  |  |  | $ 27
Improving the Presentation of Net Periodic Pension Cost and Postretirement Benefit Cost | Scenario, Forecast |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Decrease in operating income |  |  | $ 186 |  |  |  |
Increase in net non-operating components of income from continuing operations |  |  | $ 186 |  |  |  |
Improving the Presentation of Net Periodic Pension Cost and Postretirement Benefit Cost | Pro Forma |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |
Decrease in operating income |  |  |  | 184 | 164 |  |
Increase in net non-operating components of income from continuing operations |  |  |  | $ 184 | $ 164 |  |

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