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SUPPLEMENTAL FINANCIAL INFORMATION (Condensed Consolidated Statements of Income) (Details) - CAD CAD in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Revenues [Abstract] |  |
Regulated electric | CAD 3,437.0 | CAD 2,141.0
Regulated | 499.0 | 52.0
Non-regulated | 341.0 | 596.0
Total operating revenues | 4,277.0 | 2,789.0
Operating expenses |  |
Regulated fuel for generation and purchased power | 1,222.0 | 815.0
Regulated cost of natural gas | 177.0 | 0.0
Regulated fuel adjustment | 61.0 | 42.0
Non-regulated fuel for generation and purchased power | 313.0 | 336.0
Non-regulated direct costs | 29.0 | 19.0
Operating, maintenance and general | 1,137.0 | 666.0
Provincial, state, and municipal taxes | 195.0 | 63.0
Depreciation and amortization | 588.0 | 340.0
Total operating expenses | 3,722.0 | 2,281.0
Operating Income (Loss) | 555.0 | 508.0
Income from equity investments | 100.0 | 108.0
Other income (expenses), net | 174.0 | 141.0
Interest expense, net | (585.0) | (212.0)
Income before provision for income taxes | 244.0 | 545.0
Income tax expense (recovery) | (22.0) | 93.0
Net income | 266.0 | 452.0
Non-controlling interest in subsidiaries | 11.0 | 25.0
Net income of Emera Incorporated | 255.0 | 427.0
Preferred stock dividends | 28.0 | 30.0
Net income attributable to common shareholders | 227.2 | 397.2
Comprehensive income attributable to common shareholders | 228.0 | 911.0
Consolidation, Eliminations [Member] |  |
Revenues [Abstract] |  |
Regulated electric | (2.0) | (2.0)
Regulated | 0.0 | 0.0
Non-regulated | (33.0) | (42.0)
Total operating revenues | (35.0) | (44.0)
Operating expenses |  |
Regulated fuel for generation and purchased power | 0.0 | 0.0
Regulated cost of natural gas | 0.0 | 0.0
Regulated fuel adjustment | 0.0 | 0.0
Non-regulated fuel for generation and purchased power | (4.0) | (5.0)
Non-regulated direct costs | (23.0) | (30.0)
Operating, maintenance and general | (8.0) | (8.0)
Provincial, state, and municipal taxes | 0.0 | 0.0
Depreciation and amortization | 0.0 | 0.0
Total operating expenses | (35.0) | (43.0)
Operating Income (Loss) | 0.0 | (1.0)
Income (Loss) from Subsidiaries, before Tax | (150.0) | (270.0)
Income from equity investments | 0.0 | 0.0
Intercompany income (expenses), net | (46.0) | (164.0)
Other income (expenses), net | 0.0 | 0.0
Interest expense, net | 0.0 | (134.0)
Income before provision for income taxes | (196.0) | (301.0)
Income tax expense (recovery) | 0.0 | 0.0
Net income | (196.0) | (301.0)
Non-controlling interest in subsidiaries | 4.0 | 12.0
Net income of Emera Incorporated | (200.0) | (313.0)
Preferred stock dividends | (50.0) | (41.0)
Net income attributable to common shareholders | (150.0) | (272.0)
Comprehensive income attributable to common shareholders | (283.0) | (755.0)
Parent Company [Member] |  |
Revenues [Abstract] |  |
Regulated electric | 0.0 | 0.0
Regulated | 0.0 | 0.0
Non-regulated | 0.0 | 0.0
Total operating revenues | 0.0 | 0.0
Operating expenses |  |
Regulated fuel for generation and purchased power | 0.0 | 0.0
Regulated cost of natural gas | 0.0 | 0.0
Regulated fuel adjustment | 0.0 | 0.0
Non-regulated fuel for generation and purchased power | 0.0 | 0.0
Non-regulated direct costs | 0.0 | 0.0
Operating, maintenance and general | 37.0 | 54.0
Provincial, state, and municipal taxes | 0.0 | 0.0
Depreciation and amortization | 2.0 | 1.0
Total operating expenses | 39.0 | 55.0
Operating Income (Loss) | (39.0) | (55.0)
Income (Loss) from Subsidiaries, before Tax | 150.0 | 270.0
Income from equity investments | 18.0 | 37.0
Intercompany income (expenses), net | 203.0 | 156.0
Other income (expenses), net | 135.0 | 91.0
Interest expense, net | 226.0 | 46.0
Income before provision for income taxes | 241.0 | 453.0
Income tax expense (recovery) | (14.0) | 25.0
Net income | 255.0 | 428.0
Non-controlling interest in subsidiaries | 0.0 | 0.0
Net income of Emera Incorporated | 255.0 | 428.0
Preferred stock dividends | 28.0 | 30.0
Net income attributable to common shareholders | 227.0 | 398.0
Comprehensive income attributable to common shareholders | 228.0 | 911.0
Subsidiary Issuer [Member] |  |
Revenues [Abstract] |  |
Regulated electric | 0.0 | 0.0
Regulated | 0.0 | 0.0
Non-regulated | 0.0 | 0.0
Total operating revenues | 0.0 | 0.0
Operating expenses |  |
Regulated fuel for generation and purchased power | 0.0 | 0.0
Regulated cost of natural gas | 0.0 | 0.0
Regulated fuel adjustment | 0.0 | 0.0
Non-regulated fuel for generation and purchased power | 0.0 | 0.0
Non-regulated direct costs | 0.0 | 0.0
Operating, maintenance and general | 0.0 | 0.0
Provincial, state, and municipal taxes | 0.0 | 0.0
Depreciation and amortization | 0.0 | 0.0
Total operating expenses | 0.0 | 0.0
Operating Income (Loss) | 0.0 | 0.0
Income (Loss) from Subsidiaries, before Tax | 0.0 | 0.0
Income from equity investments | 0.0 | 0.0
Intercompany income (expenses), net | 101.0 | 0.0
Other income (expenses), net | 0.0 | 0.0
Interest expense, net | 85.0 | 0.0
Income before provision for income taxes | 16.0 | 0.0
Income tax expense (recovery) | 7.0 | 0.0
Net income | 9.0 | 0.0
Non-controlling interest in subsidiaries | 0.0 | 0.0
Net income of Emera Incorporated | 9.0 | 0.0
Preferred stock dividends | 0.0 | 0.0
Net income attributable to common shareholders | 9.0 | 0.0
Comprehensive income attributable to common shareholders | 19.0 | 0.0
Guarantor Subsidiaries [Member] |  |
Revenues [Abstract] |  |
Regulated electric | 1,665.0 | 283.0
Regulated | 451.0 | 0.0
Non-regulated | 378.0 | 419.0
Total operating revenues | 2,494.0 | 702.0
Operating expenses |  |
Regulated fuel for generation and purchased power | 560.0 | 70.0
Regulated cost of natural gas | 177.0 | 0.0
Regulated fuel adjustment | 0.0 | 0.0
Non-regulated fuel for generation and purchased power | 261.0 | 277.0
Non-regulated direct costs | 0.0 | 0.0
Operating, maintenance and general | 647.0 | 148.0
Provincial, state, and municipal taxes | 152.0 | 21.0
Depreciation and amortization | 330.0 | 79.0
Total operating expenses | 2,127.0 | 595.0
Operating Income (Loss) | 367.0 | 107.0
Income (Loss) from Subsidiaries, before Tax | 0.0 | 0.0
Income from equity investments | 0.0 | 5.0
Intercompany income (expenses), net | (107.0) | 0.0
Other income (expenses), net | 24.0 | 21.0
Interest expense, net | 127.0 | 28.0
Income before provision for income taxes | 157.0 | 105.0
Income tax expense (recovery) | 48.0 | 35.0
Net income | 109.0 | 70.0
Non-controlling interest in subsidiaries | 0.0 | 0.0
Net income of Emera Incorporated | 109.0 | 70.0
Preferred stock dividends | 31.0 | 15.0
Net income attributable to common shareholders | 78.0 | 55.0
Comprehensive income attributable to common shareholders | 205.0 | 303.0
Non-Guarantor Subsidiaries [Member] |  |
Revenues [Abstract] |  |
Regulated electric | 1,774.0 | 1,860.0
Regulated | 48.0 | 52.0
Non-regulated | (4.0) | 219.0
Total operating revenues | 1,818.0 | 2,131.0
Operating expenses |  |
Regulated fuel for generation and purchased power | 662.0 | 745.0
Regulated cost of natural gas | 0.0 | 0.0
Regulated fuel adjustment | 61.0 | 42.0
Non-regulated fuel for generation and purchased power | 56.0 | 64.0
Non-regulated direct costs | 52.0 | 49.0
Operating, maintenance and general | 461.0 | 472.0
Provincial, state, and municipal taxes | 43.0 | 42.0
Depreciation and amortization | 256.0 | 260.0
Total operating expenses | 1,591.0 | 1,674.0
Operating Income (Loss) | 227.0 | 457.0
Income (Loss) from Subsidiaries, before Tax | 0.0 | 0.0
Income from equity investments | 82.0 | 66.0
Intercompany income (expenses), net | (151.0) | 8.0
Other income (expenses), net | 15.0 | 29.0
Interest expense, net | 147.0 | 272.0
Income before provision for income taxes | 26.0 | 288.0
Income tax expense (recovery) | (63.0) | 33.0
Net income | 89.0 | 255.0
Non-controlling interest in subsidiaries | 7.0 | 13.0
Net income of Emera Incorporated | 82.0 | 242.0
Preferred stock dividends | 19.0 | 26.0
Net income attributable to common shareholders | 63.0 | 216.0
Comprehensive income attributable to common shareholders | CAD 59.0 | CAD 452.0

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- Definition All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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