RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended				6 Months Ended
	Jul. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Intercompany receivables (less than $1 million)		$ 1				$ 1		$ 1
Intercompany payables (less than $1 million)		1				1		$ 1
Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party		2		$ 3		5	$ 6
Related Party Transaction, Other Revenues from Transactions with Related Party (less than $1 million)		1		1		1	1
Payments of Dividends		83	$ 82	$ 73	$ 72	165	$ 145
Intercompany tax payable to subsidiaries		$ 2				$ 2
Subsequent Event
Payments of Dividends	$ 83