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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481435/852-10-45-14

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481404/852-10-50-7

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481404/852-10-50-7

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481372/852-10-55-10

Name:	us-gaap_ReorganizationChapter11LineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

FRESH START ACCOUNTING - Narrative (Details) $ in Millions			7 Months Ended
FRESH START ACCOUNTING - Narrative (Details) $ in Millions	Oct. 01, 2023 reporting_unit	Aug. 11, 2023 USD ($) reporting_unit	Aug. 12, 2023 reporting_unit
Reorganization, Chapter 11 [Line Items]
Enterprise value		$ 2,150.0
Number of reporting units \| reporting_unit	2	2	4
Internal rate of return (IRR)		18.90%
Global Banking
Reorganization, Chapter 11 [Line Items]
Reporting unit, measurement input		0.190
Global Retail
Reorganization, Chapter 11 [Line Items]
Reporting unit, measurement input		0.190
Minimum
Reorganization, Chapter 11 [Line Items]
Enterprise value		$ 2,150.0
Maximum
Reorganization, Chapter 11 [Line Items]
Enterprise value		$ 2,450.0