Condensed Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Investment advisory and services fees	$ 486,286	$ 496,503	$ 1,496,198	$ 1,443,735
Bernstein research services	127,065	112,147	375,021	354,129
Distribution revenues	105,365	115,513	326,399	332,041
Dividend and interest income	5,459	4,744	16,220	13,523
Investment gains (losses)	(10,326)	(6,278)	5,555	(4,891)
Other revenues	25,647	27,589	76,660	81,362
Total revenues	739,496	750,218	2,296,053	2,219,899
Less: Interest expense	803	470	2,052	1,885
Net revenues	738,693	749,748	2,294,001	2,218,014
Expenses:
Employee compensation and benefits	317,560	317,259	981,527	951,764
Promotion and servicing:
Distribution-related payments	96,690	107,859	299,654	308,469
Amortization of deferred sales commissions	12,359	11,234	37,471	29,517
Other	52,789	54,054	167,508	166,635
General and administrative:
General and administrative	107,996	107,967	323,421	321,367
Real estate charges (credits)	1,682	(980)	1,219	457
Contingent payment arrangements	443	476	1,328	1,117
Interest on borrowings	712	620	2,302	2,169
Amortization of intangible assets	6,411	6,551	19,384	18,468
Total expenses	596,642	605,040	1,833,814	1,799,963
Operating income	142,051	144,708	460,187	418,051
Income taxes	10,146	9,410	29,769	27,783
Net income	131,905	135,298	430,418	390,268
Net (loss) income of consolidated entities attributable to non-controlling interests	(3,071)	(4,500)	4,879	(2,690)
Net income attributable to AB Unitholders	$ 134,976	$ 139,798	$ 425,539	$ 392,958
Net income per AB Unit:
Basic (in dollars per unit)	$ 0.49	$ 0.51	$ 1.55	$ 1.45
Diluted (in dollars per unit)	$ 0.49	$ 0.51	$ 1.54	$ 1.44