Fresh Start Accounting Reorganization Adjustments - Equity Value (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jul. 01, 2019
Reorganizations [Abstract]
Enterprise Value	$ 3,100	$ 3,100
Cash and Cash Equivalents		125
Fair value of new debt		(1,646)
Fair value of remaining debt obligations		(184)
Pension Obligations		(239)
Total equity (deficit)		1,156
Noncontrolling Interest		1
Additional Paid-in Capital		$ 1,157

Enterprise Value

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Post Confirmation, Debt Issued

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Postconfirmation, Stockholders Equity, including portion attributable to non-controlling interest

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Amount of additional paid-in capital at the balance sheet date after fresh-start adjustments.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
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Amount of cash and cash equivalents at the balance sheet date after fresh-start adjustments.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 852
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