PENSION AND POSTRETIREMENT BENEFITS - Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 448	$ 470	$ 0
Pension Benefits \| Level 1, Level 2, and Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	145	201
Pension Benefits \| Net Asset Value (NAV) Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	303	269
Pension Benefits \| Cash and cash equivalents \| Level 1 And Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	22	60
Pension Benefits \| Cash and cash equivalents \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	(1)
Pension Benefits \| Cash and cash equivalents \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	61
Pension Benefits \| Corporate stock, common \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Pension Benefits \| Bonds, corporate \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	78	86
Pension Benefits \| Bonds, government \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	40	49
Pension Benefits \| Bonds, other \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5	6
Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	745	773	$ 0
Postretirement Benefits \| Level 1, Level 2, and Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	263	379
Postretirement Benefits \| Net Asset Value (NAV) Practical Expedient
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	482	394
Postretirement Benefits \| Cash and cash equivalents \| Level 1 And Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	11	120
Postretirement Benefits \| Cash and cash equivalents \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Postretirement Benefits \| Cash and cash equivalents \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	120
Postretirement Benefits \| Corporate stock, common \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	25	21
Postretirement Benefits \| Bonds, corporate \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	136	141
Postretirement Benefits \| Bonds, government \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	83	88
Postretirement Benefits \| Bonds, other \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 8	$ 9