Annual report [Section 13 and 15(d), not S-K Item 405]

INCOME TAXES - Components of Cash Payments in Excess of Refunds Received (Details)

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INCOME TAXES - Components of Cash Payments in Excess of Refunds Received (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Tax Paid, by Individual Jurisdiction [Line Items]      
U.S. Federal $ 0    
State (12)    
Foreign (4)    
Total refunds in excess of payments made (16) $ (30) $ (111)
Illinois      
Income Tax Paid, by Individual Jurisdiction [Line Items]      
State (6)    
Michigan      
Income Tax Paid, by Individual Jurisdiction [Line Items]      
State (3)    
Alabama      
Income Tax Paid, by Individual Jurisdiction [Line Items]      
State (2)    
Ohio      
Income Tax Paid, by Individual Jurisdiction [Line Items]      
State (1)    
Canada      
Income Tax Paid, by Individual Jurisdiction [Line Items]      
Foreign (5)    
Other      
Income Tax Paid, by Individual Jurisdiction [Line Items]      
Foreign $ 1