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Other Liabilities - Schedule of Other Liabilities (Parenthetical) (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Other Liabilities [Line Items]    
Environmental remediation $ 332,000,000 $ 152,000,000
Accrued indemnification liability 41,000,000 46,000,000
Fayetteville Works, Fayetteville [Member]    
Other Liabilities [Line Items]    
Environmental remediation $ 181,000,000 $ 0