GOODWILL AND OTHER INTANGIBLE ASSETS (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		12 Months Ended
	Jun. 21, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Jun. 20, 2014
Goodwill And Intangible Asset Impairment [Line Items]
Amortization of other intangibles		$ 28	$ 27	$ 24
Amortization expense, 2016		29
Amortization expense, 2017		29
Amortization expense, 2018		29
Amortization expense, 2019		29
Amortization expense, 2020		29
AllianceBernstein Acquisitions[Abstract]
Redeemable Noncontrolling Interest		13	17
Goodwill and other intangible assets, net		3,733	3,762
Capitalized Computer Software, Net [Abstract]
Capitalized software, net		157	163
Amortization of capitalized software		55	50	119
Impairments of capitalized software		45
Alliance Bernstein
Goodwill And Intangible Asset Impairment [Line Items]
Carrying value of goodwill		3,562	3,562
AllianceBernstein Acquisitions[Abstract]
Carrying value of goodwill		3,562	3,562
Alliance Bernstein | Investment Management
Goodwill And Intangible Asset Impairment [Line Items]
Gross carrying amount of AllianceBernstein related intangible assets		610	610
Accumulated amortization of these intangible assets		439	411
Amortization of other intangibles		28	27	$ 24
Investment Management segments Other assets [Abstract]
Net deferred sales commissions		99	$ 118
Estimated amortization expense of deferred sales commissions for year 1		41
Estimated amortization expense of deferred sales commissions for year 2		32
Estimated amortization expense of deferred sales commissions for year 3		21
Estimated amortization expense of deferred sales commissions for year 4		5
Estimated amortization expense of deferred sales commissions for year 5		$ 0
Alliance Bernstein | CPH Capital | Investment Management
Goodwill And Intangible Asset Impairment [Line Items]
Carrying value of goodwill					$ 58
AllianceBernstein Acquisitions[Abstract]
Ownership percentage acquired		85.00%			82.00%
Assets under management, carrying amount					$ 3,000
Cash payment	$ 64
Contingent consideration payable	9
Carrying value of goodwill					58
Finite-lived intangible assets acquired	24
Indefinite-lived intangible assets acquired	$ 4
Redeemable Noncontrolling Interest					$ 17
Alliance Bernstein | W P Stewart | Investment Management
AllianceBernstein Acquisitions[Abstract]
Assets under management, carrying amount		$ 2,000
Contingent consideration payable		17
Finite-lived intangible assets acquired		14
Indefinite-lived intangible assets acquired		$ 8
Business acquisition, share price		$ 12
Shares outstanding and issued to shareholders, transferable contingent value rights		4.9
Additional cash payment per share		$ 4
Threshold required for additional cash payment		$ 5,000
Goodwill and other intangible assets, net		$ 32