INFORMATION ON BUSINESS SEGMENTS - FAS/CAS Pension Adjustment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 25, 2022	Sep. 26, 2021	Sep. 25, 2022	Sep. 26, 2021
Segment Reporting Information [Line Items]
Non-service FAS pension income (expense)	$ 111	$ (1,572)	$ (1,080)	$ (1,385)
Total FAS/CAS pension adjustment	541	(1,081)	201	84
Unallocated items
Segment Reporting Information [Line Items]
Less: CAS pension cost	450	517	1,349	1,549
FAS pension service cost	(20)	(26)	(68)	(80)
FAS/CAS pension operating adjustment	430	491	1,281	1,469
Qualified defined benefit pension plans
Segment Reporting Information [Line Items]
FAS pension income (expense)	91	(1,598)	(1,148)	(1,465)
FAS pension service cost	(20)	(26)	(68)	(80)
Qualified defined benefit pension plans | Qualified Plan
Segment Reporting Information [Line Items]
FAS pension income (expense)	$ 91	$ (1,598)	$ (1,148)	$ (1,465)