DEBT - Term Loan Facility - Fourth Amendment (Details) - Secured debt - HDS (Debt Issuer) - Credit facility - USD ($) $ in Millions	Oct. 30, 2016	Oct. 14, 2016
Term B-1 Loan Facility due 2021
DEBT
Aggregate principal amount	$ 842	$ 842
Term B-2 Loan Facility due 2023
DEBT
Aggregate principal amount	$ 550	$ 550

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant