Consolidated Balance Sheets (ENTERGY ARKANSAS, INC.) (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Regulatory assets:
Securitization property	$ 1,029,433	$ 882,346
NON-CURRENT LIABILITIES
Securitization bonds	1,086,277	931,131
COMMON EQUITY
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	254,752,788	254,752,788
Entergy Arkansas [Member]
Regulatory assets:
Securitization property	108,470	118,505
NON-CURRENT LIABILITIES
Securitization bonds	$ 119,923	$ 124,066
COMMON EQUITY
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	325,000,000	325,000,000
Common stock, shares issued	46,980,196	46,980,196
Common stock, shares outstanding	46,980,196	46,980,196