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LEGAL PROCEEDINGS AND CONTINGENCIES (Details)
$ in Millions
1 Months Ended 6 Months Ended
Apr. 24, 2009
USD ($)
Jun. 30, 2006
subsidiary
Jun. 26, 2022
USD ($)
Dec. 31, 2021
USD ($)
May 31, 2017
lawsuit
Loss Contingencies [Line Items]          
Damages sought by plaintiff     $ 52    
Liabilities recorded relative to environmental matters     726 $ 742  
Environmental costs eligible for future recovery     $ 630 645  
Period over which costs and recovery of costs is projected     20 years    
Outstanding letters of credit, surety bonds, and third-party guarantees     $ 3,600 3,600  
Third-party guarantees     $ 865 $ 838  
Guarantees of contractual performance of joint ventures (as a percent)     70.00%    
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