RELATED PERSON TRANSACTIONS - Leased Property by Real Estate Ventures (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Related person transactions
Amount received			$ 20
Entities owned by the controlling shareholders \| Leased assets or facilities
Related person transactions
Amount received	$ 1	$ 1	$ 1

Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

No definition available.

Name:	us-gaap_RelatedPartyTransactionOtherRevenuesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration