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Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2016
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Subsequent Events On August 2, 2016, Enable declared a quarterly cash distribution of $0.318 per unit on all of its outstanding common and subordinated units for the quarter ended June 30, 2016. Accordingly, CERC Corp. expects to receive a cash distribution of approximately $74 million from Enable in the third quarter of 2016 to be made with respect to CERC Corp.’s investment in common and subordinated units in Enable for the second quarter of 2016.