INVESTMENTS (EQUITY) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Equity Method Investments and Joint Ventures [Abstract]
Carrying value of equity investments	$ 1,106	$ 1,123
Total equity in net earnings (losses) for equity method investments	$ 156	$ 50	$ 67

This item represents the entity's total proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

No definition available.

Name:	axaeq_AggregateIncomeLossFromEquityMethodInvestments
Namespace Prefix:	axaeq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration