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DEBT (Details) In Millions, unless otherwise specified | 6 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 Months Ended |  |  |  |  |  | 6 Months Ended
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Jun. 30, 2014 CAD | Dec. 31, 2013 CAD | Jun. 30, 2014 Committed credit facilities CAD | Dec. 31, 2013 Committed credit facilities CAD | Jun. 30, 2014 Committed credit facilities Subsequent Event CAD | Jun. 30, 2014 Committed credit facilities Operating Segments CAD | Dec. 31, 2013 Committed credit facilities Operating Segments CAD | Jun. 30, 2014 Committed credit facilities Liquids Pipelines CAD | Dec. 31, 2013 Committed credit facilities Liquids Pipelines CAD | Jun. 30, 2014 Committed credit facilities Gas Distribution CAD | Dec. 31, 2013 Committed credit facilities Gas Distribution CAD | Jun. 30, 2014 Committed credit facilities Sponsored Investments CAD | Dec. 31, 2013 Committed credit facilities Sponsored Investments CAD | Jun. 30, 2014 Committed credit facilities Corporate CAD | Dec. 31, 2013 Committed credit facilities Corporate CAD | Jun. 30, 2014 Uncommitted demand credit facilities CAD | Jun. 30, 2014 Unsecured medium-term notes having maturities ranging from three to 30 years CAD | Jun. 30, 2014 Medium-term notes maturing in 50 years CAD | Jun. 30, 2014 Southern Lights project financing Committed credit facilities CAD | Dec. 31, 2013 Southern Lights project financing Committed credit facilities CAD | Jun. 30, 2014 Debt service reserve letters of credit Committed credit facilities CAD | Jun. 30, 2014 Commercial paper and credit facility draws, net of short term borrowings CAD | Dec. 31, 2013 Commercial paper and credit facility draws, net of short term borrowings CAD | Jun. 30, 2014 Unsecured senior notes USD ($) | Jun. 30, 2014 Unsecured medium-term notes and unsecured senior notes having maturities ranging from three to 30 years | Jun. 30, 2014 Unsecured medium-term notes and unsecured senior notes having maturities ranging from three to 30 years Minimum | Jun. 30, 2014 Unsecured medium-term notes and unsecured senior notes having maturities ranging from three to 30 years Maximum
DEBT |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of notes issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,830 | 130 |  |  |  |  |  | $ 1,500 |  |  |
Interest rate, minimum (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.70% |  |
Interest rate, maximum (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.60% |  |
Maturity period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50 years |  |  |  |  |  |  |  | 3 years | 30 years
CREDIT FACILITIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Facilities |  |  | 19,626 | 19,169 |  | 18,052 | 17,599 | 300 | 300 | 1,008 | 713 | 4,797 | 4,781 | 11,947 | 11,805 | 269 |  |  | 1,574 | 1,570 | 63 |  |  |  |  |  |
Draws |  |  | 8,223 |  |  | 6,721 |  | 196 |  | 708 |  | 1,831 |  | 3,986 |  |  |  |  | 1,502 |  |  |  |  |  |  |  |
Available |  |  | 11,403 |  |  | 11,331 |  | 104 |  | 300 |  | 2,966 |  | 7,961 |  | 250 |  |  | 72 |  |  |  |  |  |  |  |
Increase in committed credit facilities |  |  |  |  | 75 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average standby fee on unused portion (as a percent) | 0.20% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | 26,710 | 22,357 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,803 | 4,580 |  |  |  |

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