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POSTRETIREMENT BENEFIT PLANS - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
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Sep. 24, 2023 | Sep. 25, 2022 | Jun. 26, 2022 | Sep. 24, 2023 | Sep. 25, 2022 | Jun. 24, 2022
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Credit (cost) recognition of previously deferred postretirement benefit plan amounts, before tax | $ (47,000,000) | $ (3,000,000) |  | $ (141,000,000) | $ 120,000,000 |
Amortization of actuarial gains (losses), net of tax | (37,000,000) | (2,000,000) |  | (111,000,000) | 93,000,000 |
Non-cash, non-operating pension settlement charge |  |  | $ 1,500,000,000 |  | 1,500,000,000 |
Non-cash, non-operating pension settlement charge, after tax |  |  | $ 1,200,000,000 |  | $ 1,200,000,000 |
Non-cash, non-operating pension settlement charge, per share, after tax (in dollars per share) |  |  | $ 4.33 |  | $ 4.33 |
Outstanding pension benefit obligations and related plan assets |  | 4,300,000,000 |  |  | $ 4,300,000,000 | $ 4,300,000,000
Material contributions to qualified defined benefit pension plans | 0 | 0 |  | 0 | 0 |
Retiree medical and life insurance plans |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Credit (cost) recognition of previously deferred postretirement benefit plan amounts, before tax | $ 3,000,000 | $ 30,000,000 |  | $ 10,000,000 | $ 41,000,000 |

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