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Other Accrued Liabilities - Schedule of Other Accrued Liabilities (Parenthetical) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Other Accrued Liabilities [Line Items]    
Environmental remediation $ 74 $ 139
Fayetteville Works, Fayetteville [Member]    
Other Accrued Liabilities [Line Items]    
Environmental remediation $ 20 $ 75