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FRESH START ACCOUNTING - Schedule Equity Attributable to Common Stock at Emergence (Details) $ in Millions	Oct. 31, 2020 USD ($)
Reorganizations [Abstract]
Par value	$ 1
Additional paid-in capital	1,253
Warrants	15
Total equity attributable to common stock	$ 1,269

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- Definition

Postconfirmation, Warrants

+ References

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

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- Definition

Amount of common stock at the balance sheet date after fresh-start adjustments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

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- Definition

Total stockholders' equity 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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-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
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