Debt - Noble Second Lien Notes (Details) - Second Lien Notes - Secured Debt - USD ($) $ in Millions		6 Months Ended
Apr. 18, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt repurchase amount	$ 173.7	$ 48.1
Gain (loss) on repurchase of debt instrument	$ (25.7)	$ (4.6)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details