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Disclosures about Segments (Policies)	3 Months Ended
Disclosures about Segments (Policies)	Mar. 31, 2013
Segment Reporting [Abstract]
Segment Reporting, Policy	The financial results of Cleco’s segments are presented on an accrual basis. Management evaluates the performance of its segments and allocates resources to them based on segment profit and the requirements to implement new strategic initiatives and projects to meet current business objectives.