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BASIS OF PRESENTATION - Narrative (Details) $ in Billions		6 Months Ended
	Apr. 28, 2018	Jun. 30, 2018 USD ($) claim	Mar. 26, 2018	Mar. 14, 2018
Segment Reporting Information [Line Items]
Number of proofs of claims | claim		3,600
Amount of proofs of claims | $		$ 765.7
Equity interest distributed to equity holders (percent)	99.00%
Equity interest distributed to equity holders pursuant to post-emergency plan (percent)	1.00%
Other
Segment Reporting Information [Line Items]
Revenue from contract with customer, contract term		10 years
Maximum | Americas and International Outdoor Advertising
Segment Reporting Information [Line Items]
Revenue from contract with customer, contract term		1 year
Senior Notes Due 2021
Segment Reporting Information [Line Items]
Stated interest rate	14.00%	14.00%	14.00%	14.00%

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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=6877327&loc=d3e13212-122682

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