CASH AND CASH EQUIVALENTS (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Cash collected on behalf of Enbridge subsidiary for accounts receivable sales and not yet remitted to the Enbridge subsidiary (Note 24)	$ 24.5	$ 19.0
Cash held in escrow for acquisitions (Note 7)	0.0	6.0
Cash collateral for derivative activities (Note 21)	0.0	12.6
Restricted cash and cash equivalents	24.5	37.6
Obligations paid but not yet presented to financial institution	$ 9.8	$ 21.5