Quarterly report [Sections 13 or 15(d)]

SEGMENT REPORTING - EBITDA Reconciliation and Capital Additions (Details)

v3.26.1
SEGMENT REPORTING - EBITDA Reconciliation and Capital Additions (Details) - USD ($)
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]    
Revenues $ 4,922,000,000 $ 4,629,000,000
Cost of Product and Service Sold (5,004,000,000) (5,025,000,000)
Selling, General and Administrative Expense (125,000,000) (133,000,000)
Net periodic benefit costs (credits) 64,000,000 57,000,000
Depreciation, depletion and amortization 259,000,000 282,000,000
Segment Reporting, Other Segment Item, Amount (21,000,000) 11,000,000
Adjusted EBITDA 95,000,000 (179,000,000)
Interest expense, net (148,000,000) (140,000,000)
Income Tax Expense (Benefit) 81,000,000 149,000,000
Depreciation, depletion and amortization (259,000,000) (282,000,000)
Changes in fair value of derivatives, net 10,000,000 9,000,000
Amortization of inventory step-up [Abstract] 7,000,000  
Net loss (229,000,000) (486,000,000)
Capital additions 126,000,000 129,000,000
Net Income (Loss) Attributable to Noncontrolling Interest 8,000,000 12,000,000
Depreciation, depletion and amortization attributable to noncontrolling interests 7,000,000 6,000,000
Adj EBITDA Calculation    
Segment Reporting Information [Line Items]    
Depreciation, depletion and amortization 259,000,000 282,000,000
Interest expense, net (148,000,000) (140,000,000)
Income Tax Expense (Benefit) 81,000,000 149,000,000
Depreciation, depletion and amortization (259,000,000) (282,000,000)
EBITDA of noncontrolling interests 15,000,000 18,000,000
Idled facilities employment charges 10,000,000 (44,000,000)
Gain (Loss), Foreign Currency Transaction, before Tax (14,000,000)  
Changes in fair value of derivatives, net (10,000,000) (9,000,000)
Other Adjustments, Net (6,000,000) (2,000,000)
Steelmaking    
Segment Reporting Information [Line Items]    
Revenues 4,797,000,000 4,495,000,000
Cost of Product and Service Sold (4,892,000,000) (4,900,000,000)
Selling, General and Administrative Expense (117,000,000) (126,000,000)
Net periodic benefit costs (credits) 64,000,000 57,000,000
Depreciation, depletion and amortization 251,000,000 274,000,000
Segment Reporting, Other Segment Item, Amount (23,000,000) 11,000,000
Adjusted EBITDA 80,000,000 (189,000,000)
Depreciation, depletion and amortization (251,000,000) (274,000,000)
Capital additions 124,000,000 123,000,000
Other Businesses    
Segment Reporting Information [Line Items]    
Revenues 167,000,000 162,000,000
Cost of Product and Service Sold (154,000,000) (153,000,000)
Selling, General and Administrative Expense (8,000,000) (7,000,000)
Net periodic benefit costs (credits) 0 0
Depreciation, depletion and amortization 8,000,000 8,000,000
Segment Reporting, Other Segment Item, Amount 2,000,000 0
Adjusted EBITDA 15,000,000 10,000,000
Depreciation, depletion and amortization (8,000,000) (8,000,000)
Capital additions 2,000,000 6,000,000
Eliminations    
Segment Reporting Information [Line Items]    
Revenues (42,000,000) (28,000,000)
Cost of Product and Service Sold 42,000,000 28,000,000
Selling, General and Administrative Expense 0 0
Net periodic benefit costs (credits) 0 0
Depreciation, depletion and amortization 0 0
Segment Reporting, Other Segment Item, Amount 0 0
Adjusted EBITDA 0 0
Depreciation, depletion and amortization 0 0
Capital additions $ 0 $ 0