Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2011

Quarterly Financial Data [Abstract]

Quarterly Financial Data

	Quarters Ended 2011
	December 31			September 30		June 30		March 31
	(in thousands, except per unit amounts)
Net revenues	$	624,978		$	641,529	$	727,994	$	755,390
Net (loss) income attributable to AllianceBernstein Unitholders	$	(516,360	)	$	90,981	$	114,139	$	136,472
Basic net (loss) income per AllianceBernstein Unit(1)	$	(1.84	)	$	0.32	$	0.41	$	0.49
Diluted net (loss) income per AllianceBernstein Unit(1)	$	(1.84	)	$	0.32	$	0.41	$	0.48
Cash distributions per AllianceBernstein Unit(2)(3)	$	0.17		$	0.32	$	0.41	$	0.48

	Quarters Ended 2010
	December 31		September 30		June 30		March 31
	(in thousands, except per unit amounts)
Net revenues	$	777,561	$	757,567	$	688,343	$	725,086
Net income attributable to AllianceBernstein Unitholders	$	136,519	$	51,515	$	106,119	$	148,266
Basic net income per AllianceBernstein Unit(1)	$	0.49	$	0.19	$	0.38	$	0.53
Diluted net income per AllianceBernstein Unit(1)	$	0.49	$	0.18	$	0.38	$	0.53
Cash distributions per AllianceBernstein Unit(2)	$	0.49	$	0.18	$	0.38	$	0.53

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(1) Basic and diluted net (loss) income per unit are computed independently for each of the periods presented. Accordingly, the sum of the quarterly net (loss) income per unit amounts may not agree to the total for the year.

(2) Declared and paid during the following quarter.

(3) The 2011 distribution excludes the $587.1 million one-time, non-cash deferred compensation charge.