POSTRETIREMENT BENEFIT PLANS - Schedule of Reconciliation of Benefit Obligation and Plan Assets (Details) - Qualified defined benefit pension plans - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 24, 2022	Jun. 27, 2021	Dec. 31, 2021
Change in benefit obligation
Beginning balance			$ 43,447	$ 43,447
Service cost	$ 24	$ 27	48		$ 54
Interest cost	303	310	605		621
Benefits paid			(776)
Settlements			(4,309)
Plan amendments			30
Actuarial (gains) losses			(7,928)
Ending balance	31,117		31,117
Change in plan assets
Beginning balance			35,192	$ 35,192
Actual return on plan assets			(4,734)
Benefits paid			(776)
Settlements			(4,309)
Ending balance	25,373		25,373
Net Unfunded status of the plans	(5,744)		(5,744)
Benefit obligation, discount rate				4.75%		2.875%
Actual return on plan assets				16.00%
Increase in defined benefit plan, pension plan assets, incremental return				$ 5,700
Expected return on plan assets				3.25%
Expected return on plan assets	503	$ 569	1,005	$ 1,000	$ 1,138
Long-term rate of return on plan assets				6.50%
Net obligation	5,808		5,808
Net asset	$ 64		$ 64