Fresh Start Accounting - Other Current Assets (Details) - Discharge of Debt
$ in Millions
Dec. 15, 2017
USD ($)
Fresh-Start Adjustment [Line Items]  
Release of restricted cash $ (76)
Reclassification of prepaid debt issuance costs related to the Term Loan Credit Agreement (42)
Payment of fees related to the ABL Credit Agreement 5
Restricted cash for bankruptcy related professional fees 55
Total other current assets $ (58)