INSURANCE GROUP STATUTORY FINANCIAL INFORMATION (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Insurance Group Statutory Financial Information [Abstract]
Statutory accounting practices, statutory Amount available for dividend payments without regulatory approval	$ 1,242
Insurance Groups statutory net income (loss)	894	$ 679	$ 2,038
Statutory surplus, capital stock and Asset Valuation Reserve	7,988	5,278
Shareholder dividends		$ 1,050	$ 767
Common stock dividends, shares			10.0
Fair value of units transferred			$ 245
Securities on deposit with such government or state agencies	$ 61
Repayments of surplus notes			$ 200