LEGAL PROCEEDINGS AND CONTINGENCIES (Details) $ in Millions		1 Months Ended	6 Months Ended	12 Months Ended
	Apr. 24, 2009 USD ($)	Jun. 30, 2006 subsidiary	Jun. 25, 2023 USD ($)	Dec. 31, 2022 USD ($)	Nov. 06, 2015 lawsuit
Loss Contingencies [Line Items]
Damages sought by plaintiff			$ 52
Liabilities recorded relative to environmental matters			687	$ 696
Environmental costs eligible for future recovery			$ 610	618
Period over which costs and recovery of costs is projected (in years)			20 years
Outstanding letters of credit, surety bonds, and third-party guarantees			$ 2,900	2,900
Third-party guarantees			$ 912	$ 904
Guarantees of contractual performance of joint ventures (as percent)			72.00%	71.00%
N.Y. Metropolitan Transportation Authority
Loss Contingencies [Line Items]
Damages sought by plaintiff	$ 190
Contract value	323
Contract payments received to date	241
Claims for monetary damages against the plaintiff	$ 95
Sikorsky Aircraft Corporation
Loss Contingencies [Line Items]
Number of pending claims | lawsuit					2
Number of entities involved in litigation | subsidiary		2