SHARE-BASED AND OTHER COMPENSATION PROGRAMS - Alliance Bernstein (Details) - USD ($) $ in Millions		1 Months Ended			12 Months Ended
	Jul. 01, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense					$ 211	$ 192	$ 340
Alliance Bernstein
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units purchased during the period (in shares)					8,500,000	3,600,000
Dollar amount paid for Holding Units acquired					$ 218	$ 93
Open-market purchases (in shares)					5,800,000	300,000
Open-market purchases, value					$ 151	$ 7
Restricted holding unit awards granted to employees (in shares)		7,000,000	6,600,000	6,600,000	7,400,000	7,600,000
Units issued upon exercise of options (in shares)					500,000	1,100,000
Proceeds from options exercised					$ 9	$ 19
Treasury stock, shares retired	13,100,000
Share based compensation expense					$ 173	$ 173	$ 156
Holding unit-based awards authorized for grant (in shares)		60,000,000			60,000,000
Holding unit-based awards, maximum additional shares authorized for grant (in shares)					30,000,000
Grant of holding units (in shares)					302,443
Grant of holding units, net of forfeitures (in shares)					47,200,000
Holding unit-based awards available for grant (in shares)		12,500,000			12,500,000