Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Net income	[1]	$ 136,200	$ 86,051
Other comprehensive income (loss)
Cash flow hedges net unrealized gain (loss)		95,427	(528)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax		16,574	8,632
Net unrealized investment gains		(32,856)	37,827
Other comprehensive income (loss)		79,145	45,931
Total comprehensive income		215,345	131,982
Net Income (Loss) Attributable to Noncontrolling Interest, Preferred Unit Holders		3,439	3,446
Comprehensive Income Attributable to Entergy Corporation		211,906	128,536
Entergy Louisiana [Member]
Net income		111,593	94,378
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax		(501)	(370)
Other comprehensive income (loss)		(501)	(370)
Total comprehensive income		$ 111,092	$ 94,008

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