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Commitments and Contingent Liabilities - Schedule of Environmental Remediation Liabilities (Parenthetical) (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Environmental Remediation [Line Items]    
Accrued environmental remediation liabilities $ 571 $ 590
Chambers Works, Deepwater, New Jersey [Member]    
Environmental Remediation [Line Items]    
Accrued environmental remediation liabilities 31 30
Fayetteville Works, Fayetteville, North Carolina [Member]    
Environmental Remediation [Line Items]    
Accrued environmental remediation liabilities [1] 351 383
USS Lead, East Chicago, Indiana [Member]    
Environmental Remediation [Line Items]    
Accrued environmental remediation liabilities $ 0 $ 12 [2]
[1] For more information on this matter refer to “Fayetteville Works, Fayetteville, North Carolina” within this “Note 22 – Commitments and Contingent Liabilities”
[2] USS Lead, East Chicago, Indiana: Although USS Lead, East Chicago, Indiana has a $0 balance as of December 31, 2024, the Company continues to include this remediation site in the table above due to the accrued environmental remediation liabilities associated with it as of December 31, 2023 for comparable purposes