Fair Value Measurements (Details) - USD ($) $ / shares in Units, $ in Millions	Dec. 31, 2021	Jun. 30, 2021
7.750% Senior Secured Notes due 2026
Debt Instrument [Line Items]
Interest rate (as a percent)	7.75%	7.75%
Estimated fair value of loan	$ 266	$ 347
4.50% Convertible Senior Notes due 2026
Debt Instrument [Line Items]
Interest rate (as a percent)	4.50%	4.50%
Estimated fair value of loan	$ 27	$ 53
Initial conversion price	$ 15.29
Second Lien Facility
Debt Instrument [Line Items]
Estimated fair value of loan	$ 144	$ 189

The price per share of the conversion feature embedded in the debt instrument.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031898-161870

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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+ References

No definition available.

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