CONSOLIDATED STATEMENTS OF EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	Parent	Common Stock	Additional Paid-in Capital	Retained Earnings	AOCI Attributable to Parent	Noncontrolling Interest
Beginning of year at Dec. 31, 2013				$ 5,908	$ 5,202		$ 2,924
Net earnings (loss)	$ 4,287				3,900
Net earnings (loss) attributable to noncontrolling interest							387
Dividends and distributions					381
End of year at Dec. 31, 2014	18,020	$ 15,031		5,957	8,721		2,962
Net earnings (loss)	1,490				1,087
Net earnings (loss) attributable to noncontrolling interest							403
Dividends and distributions					(912)
End of year at Dec. 31, 2015	17,506	14,447		5,321	8,896	$ 228	3,059
Net earnings (loss)	1,752				1,635
Net earnings (loss) attributable to noncontrolling interest							117
Dividends paid to noncontrolling interest							(111)
Other comprehensive income (loss)	789					786	3
Repurchase of AB Holding units							(4)
Other changes in noncontrolling interest				(4)			(22)
End of year at Mar. 31, 2016	19,906	16,864		5,317	10,531	1,014	3,042
Beginning of year at Dec. 31, 2015	17,506	14,447		5,321	8,896	228	3,059
Net earnings (loss)	492				(4)
Net earnings (loss) attributable to noncontrolling interest							491
Dividends and distributions					1,050
End of year at Dec. 31, 2016	16,275	13,190		5,339	7,842	7	3,085
Common stock, at par value, beginning of year and end of period	2
Net earnings (loss)	(313)				(431)
Net earnings (loss) attributable to noncontrolling interest							118
Dividends paid to noncontrolling interest							(142)
Other comprehensive income (loss)	179					172	7
Repurchase of AB Holding units							(22)
Other changes in noncontrolling interest				3			(11)
End of year at Mar. 31, 2017	15,969	$ 12,934		$ 5,342	$ 7,411	$ 179	$ 3,035
Common stock, at par value, beginning of year and end of period	$ 2		$ 2