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SEGMENTED INFORMATION (Details) - CAD CAD in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segmented Information |  |  |
Revenues | CAD 34,560 | CAD 33,794 | CAD 37,641
Commodity and gas distribution costs | (24,005) | (25,241) | (29,483)
Operating and administrative | (4,360) | (4,152) | (3,281)
Depreciation and amortization | (2,240) | (2,024) | (1,577)
Environmental costs, net of recoveries | 2 | 21 | (100)
Impairment of property, plant and equipment | (1,376) | (96) |
Goodwill impairment | 0 | (440) |
Total operating income | 2,581 | 1,862 | 3,200
Income/(loss) from equity investments | 428 | 475 | 368
Other income/(expense) | 1,032 | (702) | (266)
Earnings/(loss) before interest and income taxes | 4,041 | 1,635 | 3,302
Interest expense | (1,590) | (1,624) | (1,129)
Income taxes | (142) | (170) | (611)
Earnings/(loss) from continuing operations | 2,309 | (159) | 1,562
Earnings from discontinued operations before income taxes |  |  | 73
Income taxes from discontinued operations |  |  | (27)
Earnings from discontinued operations |  |  | 46
Earnings/(loss) | 2,309 | (159) | 1,608
(Earnings)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | (240) | 410 | (203)
Preference share dividends | (293) | (288) | (251)
Earnings/(loss) attributable to Enbridge Inc. common shareholders | 1,776 | (37) | 1,154
Additions to property, plant and equipment | 5,129 | 7,275 | 10,527
Total assets | 85,832 | 84,515 |
Out of period adjustments |  |  |
Out of period non-cash adjustment to income taxes |  | 71 |
Liquids Pipelines |  |  |
Segmented Information |  |  |
Revenues | 8,176 | 5,589 | 4,805
Commodity and gas distribution costs | (12) | (9) | (1)
Operating and administrative | (2,910) | (2,769) | (1,985)
Depreciation and amortization | (1,369) | (1,227) | (911)
Environmental costs, net of recoveries | 2 | 21 | (100)
Impairment of property, plant and equipment | (1,365) | (80) |
Total operating income | 2,522 | 1,525 | 1,808
Income/(loss) from equity investments | 194 | 296 | 161
Other income/(expense) | 841 | (15) | 11
Earnings/(loss) before interest and income taxes | 3,557 | 1,806 | 1,980
Additions to property, plant and equipment | 3,957 | 5,884 | 8,914
Total assets | 52,043 | 52,015 |
Gas Distribution |  |  |
Segmented Information |  |  |
Revenues | 2,976 | 3,609 | 3,319
Commodity and gas distribution costs | (1,653) | (2,349) | (2,082)
Operating and administrative | (553) | (536) | (531)
Depreciation and amortization | (339) | (308) | (304)
Total operating income | 431 | 416 | 402
Income/(loss) from equity investments | 12 | (10) | (14)
Other income/(expense) | 49 | 49 | 44
Earnings/(loss) before interest and income taxes | 492 | 455 | 432
Additions to property, plant and equipment | 713 | 858 | 610
Total assets | 10,204 | 9,901 |
Gas Pipelines and Processing |  |  |
Segmented Information |  |  |
Revenues | 2,877 | 3,803 | 6,650
Commodity and gas distribution costs | (2,206) | (3,002) | (5,686)
Operating and administrative | (447) | (506) | (533)
Depreciation and amortization | (292) | (272) | (221)
Impairment of property, plant and equipment | (11) | (16) |
Goodwill impairment |  | (440) |
Total operating income | (79) | (433) | 210
Income/(loss) from equity investments | 223 | 200 | 224
Other income/(expense) | 27 | 4 | 33
Earnings/(loss) before interest and income taxes | 171 | (229) | 467
Additions to property, plant and equipment | 176 | 385 | 593
Total assets | 11,182 | 11,559 |
Green Power and Transmission |  |  |
Segmented Information |  |  |
Revenues | 502 | 498 | 360
Commodity and gas distribution costs | 5 | 4 | 3
Operating and administrative | (173) | (143) | (94)
Depreciation and amortization | (190) | (186) | (124)
Total operating income | 144 | 173 | 145
Income/(loss) from equity investments | 2 | 2 | 3
Other income/(expense) | 8 | 2 | 1
Earnings/(loss) before interest and income taxes | 154 | 177 | 149
Additions to property, plant and equipment | 251 | 68 | 333
Total assets | 5,571 | 4,977 |
Energy Services |  |  |
Segmented Information |  |  |
Revenues | 20,364 | 20,842 | 23,099
Commodity and gas distribution costs | (20,473) | (20,443) | (22,314)
Operating and administrative | (63) | (66) | (58)
Depreciation and amortization | (2) | 1 | 2
Total operating income | (174) | 334 | 729
Income/(loss) from equity investments | (3) | (9) |
Other income/(expense) | (8) |  | 1
Earnings/(loss) before interest and income taxes | (185) | 325 | 730
Additions to property, plant and equipment |  |  | 3
Total assets | 1,951 | 1,889 |
Eliminations and Other |  |  |
Segmented Information |  |  |
Revenues | (335) | (547) | (592)
Commodity and gas distribution costs | 334 | 558 | 597
Operating and administrative | (214) | (132) | (80)
Depreciation and amortization | (48) | (32) | (19)
Total operating income | (263) | (153) | (94)
Income/(loss) from equity investments |  | (4) | (6)
Other income/(expense) | 115 | (742) | (356)
Earnings/(loss) before interest and income taxes | (148) | (899) | (456)
Additions to property, plant and equipment | 32 | 80 | CAD 74
Total assets | CAD 4,881 | CAD 4,174 |

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