POSTRETIREMENT BENEFIT PLANS - Narrative (Details)	3 Months Ended		6 Months Ended			12 Months Ended
	Jun. 26, 2022 USD ($) $ / shares	Jun. 27, 2021 USD ($)	Jun. 26, 2022 USD ($) $ / shares	Jun. 24, 2022 USD ($) satellite	Jun. 27, 2021 USD ($)	Dec. 31, 2022 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Recognition of previously deferred postretirement benefit plan amounts, before tax	$ 62,000,000	$ 177,000,000	$ 123,000,000		$ 355,000,000
Recognition of previously deferred postretirement benefit plan amounts, net of tax	47,000,000	140,000,000	95,000,000		280,000,000
Outstanding pension benefit obligations and related plan assets				$ 4,300,000,000
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) | $ / shares	$ 4.33		$ 4.33
Material contributions to qualified defined benefit pension plans	$ 0	0	$ 0		0
Retiree medical and life insurance plans
Defined Benefit Plan Disclosure [Line Items]
Recognition of previously deferred postretirement benefit plan amounts, before tax	6,000,000	3,000,000	11,000,000		7,000,000
FAS pension expense (income)	(27,000,000)	(13,000,000)	(53,000,000)		(26,000,000)
Total FAS pension (expense) income	25,000,000	9,000,000	49,000,000		19,000,000
Qualified defined benefit pension plans
Defined Benefit Plan Disclosure [Line Items]
Change in benefit obligation due to remeasurement			7,928,000,000
Increase in defined benefit plan, pension plan assets, incremental return				5,700,000,000
FAS pension expense (income)	1,331,000,000	(94,000,000)	1,191,000,000		(187,000,000)
Total FAS pension (expense) income	(1,355,000,000)	67,000,000	(1,239,000,000)		133,000,000
Qualified defined benefit pension plans | Forecast
Defined Benefit Plan Disclosure [Line Items]
FAS pension expense (income)						$ 1,100,000,000
FAS pension expense (income), pretax						1,500,000,000
Total FAS pension (expense) income						410,000,000
Total FAS pension income, prior estimate difference						50,000,000
FAS pension income, prior estimate						$ 460,000,000
Qualified defined benefit pension plans | Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Outstanding pension benefit obligations and related plan assets				$ 4,300,000,000
Number of retirees and beneficiaries | satellite				13,600
Decrease in defined benefit plan, remeasurements			2,200,000,000
Change in benefit obligation due to remeasurement			7,900,000,000
Total FAS pension (expense) income	$ (1,355,000,000)	$ 67,000,000	$ (1,239,000,000)		$ 133,000,000