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AIRPORT REDEVELOPMENT (Details) - USD ($)
 12 Months Ended 96 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2024
Agreements and Obligations [Line Items]        
Operating lease right-of-use assets $ 6,644,000,000 $ 7,004,000,000   $ 6,644,000,000
LAX Redevelopment Project        
Agreements and Obligations [Line Items]        
Total expected project costs   2,500,000,000    
Expected net projects costs 700,000,000     700,000,000
Project costs reflected as investing cash flows       350,000,000
Project costs reflected as operating cash flows       350,000,000
Operating lease right-of-use assets 350,000,000     350,000,000
LAX Redevelopment Project | City of Los Angeles        
Agreements and Obligations [Line Items]        
Total appropriation to date by city 1,800,000,000     1,800,000,000
Maximum reimbursement by city 1,800,000,000     1,800,000,000
LaGuardia Airport Redevelopment Project        
Agreements and Obligations [Line Items]        
Total expected project costs 4,200,000,000     4,200,000,000
Port authority contribution to redevelopment project 500,000,000     $ 500,000,000
Amount spent on project costs $ 300,000,000 $ 500,000,000 $ 650,000,000