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POSTRETIREMENT BENEFIT PLANS - Narrative (Details) - USD ($) | 3 Months Ended
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Mar. 26, 2023 | Mar. 27, 2022
Defined Benefit Plan Disclosure [Line Items] |  |
Credit (cost) recognition of previously deferred postretirement benefit plan amounts, before tax | $ (47,000,000) | $ 61,000,000
Amortization of actuarial losses, net of tax | (37,000,000) | 48,000,000
Material contributions to qualified defined benefit pension plans | 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 | $ 5,000,000

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