XML 83 R70.htm IDEA: XBRL DOCUMENT
v3.19.2

CONDENSED CONSOLIDATING FINANCIAL INFORMATION - Statement of Earnings and Comprehensive Income (Details) - CAD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Operating revenues |  |  |  |
Revenues | $ 13,263 | $ 10,745 | $ 26,119 | $ 23,471
Operating expenses |  |  |  |
Operating and administrative | 1,695 | 1,636 | 3,320 | 3,277
Depreciation and amortization | 842 | 829 | 1,682 | 1,653
Impairment of long-lived assets | 0 | 10 | 0 | 1,072
Total operating expenses | 10,978 | 9,174 | 21,215 | 21,022
Operating income | 2,285 | 1,571 | 4,904 | 2,449
Income from equity investments | 413 | 363 | 826 | 698
Equity earnings from consolidated subsidiaries | 0 | 0 | 0 | 0
Other |  |  |  |
Net foreign currency gain/(loss) | 140 | (43) | 354 | (228)
Other | 65 | 29 | 111 | 94
Interest expense | (637) | (690) | (1,322) | (1,346)
Earnings before income taxes | 2,266 | 1,230 | 4,873 | 1,667
Income tax recovery/(expense) | (436) | 97 | (1,020) | 170
Earnings | 1,830 | 1,327 | 3,853 | 1,837
(Earnings)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 2 | (167) | (35) | (143)
Earnings attributable to controlling interests | 1,832 | 1,160 | 3,818 | 1,694
Preference share dividends | (96) | (89) | (191) | (178)
Earnings attributable to common shareholders | 1,736 | 1,071 | 3,627 | 1,516
Total other comprehensive income/(loss) | (1,374) | 1,078 | (2,702) | 2,551
Comprehensive income | 456 | 2,405 | 1,151 | 4,388
Comprehensive (income)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 51 | (297) | 64 | (444)
Comprehensive income attributable to controlling interests | 507 | 2,108 | 1,215 | 3,944
Consolidation, Eliminations |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Operating and administrative | 0 | 0 | 0 | 0
Depreciation and amortization | 0 | 0 | 0 | 0
Impairment of long-lived assets |  | 0 |  | 0
Total operating expenses | 0 | 0 | 0 | 0
Operating income | 0 | 0 | 0 | 0
Income from equity investments | (6) | (55) | (65) | (71)
Equity earnings from consolidated subsidiaries | (2,692) | (2,660) | (4,620) | (4,729)
Other |  |  |  |
Net foreign currency gain/(loss) | (143) | 61 | (1,047) | 131
Other | (565) | (276) | (1,013) | (527)
Interest expense | 595 | 282 | 1,053 | 556
Earnings before income taxes | (2,811) | (2,648) | (5,692) | (4,640)
Income tax recovery/(expense) | 106 | 9 | 212 | 18
Earnings | (2,705) | (2,639) | (5,480) | (4,622)
(Earnings)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 2 | (167) | (35) | (143)
Earnings attributable to controlling interests | (2,703) | (2,806) | (5,515) | (4,765)
Preference share dividends | 0 | 0 | 0 | 0
Earnings attributable to common shareholders | (2,703) | (2,806) | (5,515) | (4,765)
Total other comprehensive income/(loss) | 113 | (49) | 784 | (158)
Comprehensive income | (2,592) | (2,688) | (4,696) | (4,780)
Comprehensive (income)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 51 | (297) | 64 | (444)
Comprehensive income attributable to controlling interests | (2,541) | (2,985) | (4,632) | (5,224)
Parent Issuer and Guarantor | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Operating and administrative | 69 | 33 | 35 | 100
Depreciation and amortization | 18 | 15 | 33 | 29
Impairment of long-lived assets |  | 0 |  | 0
Total operating expenses | 87 | 48 | 68 | 129
Operating income | (87) | (48) | (68) | (129)
Income from equity investments | 8 | 59 | 67 | 76
Equity earnings from consolidated subsidiaries | 1,624 | 1,287 | 2,398 | 1,994
Other |  |  |  |
Net foreign currency gain/(loss) | 256 | (171) | 1,477 | (370)
Other | 464 | 272 | 794 | 518
Interest expense | (322) | (286) | (630) | (529)
Earnings before income taxes | 1,943 | 1,113 | 4,038 | 1,560
Income tax recovery/(expense) | (111) | 47 | (220) | 134
Earnings | 1,832 | 1,160 | 3,818 | 1,694
(Earnings)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 0 | 0 | 0 | 0
Earnings attributable to controlling interests | 1,832 | 1,160 | 3,818 | 1,694
Preference share dividends | (96) | (89) | (191) | (178)
Earnings attributable to common shareholders | 1,736 | 1,071 | 3,627 | 1,516
Total other comprehensive income/(loss) | (1,325) | 948 | (2,603) | 2,250
Comprehensive income | 507 | 2,108 | 1,215 | 3,944
Comprehensive (income)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 0 | 0 | 0 | 0
Comprehensive income attributable to controlling interests | 507 | 2,108 | 1,215 | 3,944
Subsidiary Non-Guarantors | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 13,263 | 10,745 | 26,119 | 23,471
Operating expenses |  |  |  |
Operating and administrative | 1,627 | 1,595 | 3,283 | 3,164
Depreciation and amortization | 824 | 814 | 1,649 | 1,624
Impairment of long-lived assets |  | 10 |  | 1,072
Total operating expenses | 10,892 | 9,118 | 21,145 | 20,880
Operating income | 2,371 | 1,627 | 4,974 | 2,591
Income from equity investments | 380 | 323 | 762 | 623
Equity earnings from consolidated subsidiaries | 473 | 615 | 966 | 1,223
Other |  |  |  |
Net foreign currency gain/(loss) | 27 | 65 | (76) | 7
Other | 112 | (3) | 235 | 36
Interest expense | (690) | (477) | (1,273) | (956)
Earnings before income taxes | 2,673 | 2,150 | 5,588 | 3,524
Income tax recovery/(expense) | (443) | 41 | (1,039) | 18
Earnings | 2,230 | 2,191 | 4,549 | 3,542
(Earnings)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 0 | 0 | 0 | 0
Earnings attributable to controlling interests | 2,230 | 2,191 | 4,549 | 3,542
Preference share dividends | 0 | 0 | 0 | 0
Earnings attributable to common shareholders | 2,230 | 2,191 | 4,549 | 3,542
Total other comprehensive income/(loss) | (148) | 162 | (868) | 415
Comprehensive income | 2,082 | 2,353 | 3,681 | 3,957
Comprehensive (income)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 0 | 0 | 0 | 0
Comprehensive income attributable to controlling interests | 2,082 | 2,353 | 3,681 | 3,957
Spectra Energy Partners L P | Subsidiary Issuer and Guarantor - SEP and EEP | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Operating and administrative | 1 | 3 | 3 | 4
Depreciation and amortization | 0 | 0 | 0 | 0
Impairment of long-lived assets |  | 0 |  | 0
Total operating expenses | 1 | 3 | 3 | 4
Operating income | (1) | (3) | (3) | (4)
Income from equity investments | 31 | 36 | 62 | 70
Equity earnings from consolidated subsidiaries | 344 | 529 | 742 | 1,080
Other |  |  |  |
Net foreign currency gain/(loss) | 0 | 2 | 0 | 4
Other | 1 | 1 | 1 | 2
Interest expense | (84) | (72) | (178) | (144)
Earnings before income taxes | 291 | 493 | 624 | 1,008
Income tax recovery/(expense) | 12 | 0 | 27 | 0
Earnings | 303 | 493 | 651 | 1,008
(Earnings)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 0 | 0 | 0 | 0
Earnings attributable to controlling interests | 303 | 493 | 651 | 1,008
Preference share dividends | 0 | 0 | 0 | 0
Earnings attributable to common shareholders | 303 | 493 | 651 | 1,008
Total other comprehensive income/(loss) | (28) | 11 | (44) | 30
Comprehensive income | 275 | 504 | 607 | 1,038
Comprehensive (income)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 0 | 0 | 0 | 0
Comprehensive income attributable to controlling interests | 275 | 504 | 607 | 1,038
Enbridge Energy Partners, L.P. | Subsidiary Issuer and Guarantor - SEP and EEP | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Operating and administrative | (2) | 5 | (1) | 9
Depreciation and amortization | 0 | 0 | 0 | 0
Impairment of long-lived assets |  | 0 |  | 0
Total operating expenses | (2) | 5 | (1) | 9
Operating income | 2 | (5) | 1 | (9)
Income from equity investments | 0 | 0 | 0 | 0
Equity earnings from consolidated subsidiaries | 251 | 229 | 514 | 432
Other |  |  |  |
Net foreign currency gain/(loss) | 0 | 0 | 0 | 0
Other | 53 | 35 | 94 | 65
Interest expense | (136) | (137) | (294) | (273)
Earnings before income taxes | 170 | 122 | 315 | 215
Income tax recovery/(expense) | 0 | 0 |  | 0
Earnings | 170 | 122 | 315 | 215
(Earnings)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 0 | 0 | 0 | 0
Earnings attributable to controlling interests | 170 | 122 | 315 | 215
Preference share dividends | 0 | 0 | 0 | 0
Earnings attributable to common shareholders | 170 | 122 | 315 | 215
Total other comprehensive income/(loss) | 14 | 6 | 29 | 14
Comprehensive income | 184 | 128 | 344 | 229
Comprehensive (income)/loss attributable to noncontrolling interests and redeemable noncontrolling interests | 0 | 0 | 0 | 0
Comprehensive income attributable to controlling interests | 184 | 128 | 344 | 229
Commodity |  |  |  |
Operating revenues |  |  |  |
Revenues | 8,416 | 6,451 | 15,048 | 13,719
Operating expenses |  |  |  |
Cost of goods and services sold | 8,129 | 6,278 | 14,694 | 13,275
Commodity | Consolidation, Eliminations |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Cost of goods and services sold | 0 | 0 | 0 | 0
Commodity | Parent Issuer and Guarantor | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Cost of goods and services sold | 0 | 0 | 0 | 0
Commodity | Subsidiary Non-Guarantors | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 8,416 | 6,451 | 15,048 | 13,719
Operating expenses |  |  |  |
Cost of goods and services sold | 8,129 | 6,278 | 14,694 | 13,275
Commodity | Spectra Energy Partners L P | Subsidiary Issuer and Guarantor - SEP and EEP | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Cost of goods and services sold | 0 | 0 | 0 | 0
Commodity | Enbridge Energy Partners, L.P. | Subsidiary Issuer and Guarantor - SEP and EEP | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Cost of goods and services sold | 0 | 0 | 0 | 0
Gas Distribution |  |  |  |
Operating revenues |  |  |  |
Revenues | 755 | 856 | 2,631 | 2,782
Operating expenses |  |  |  |
Cost of goods and services sold | 312 | 421 | 1,519 | 1,745
Gas Distribution | Consolidation, Eliminations |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Cost of goods and services sold | 0 | 0 | 0 | 0
Gas Distribution | Parent Issuer and Guarantor | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Cost of goods and services sold | 0 | 0 | 0 | 0
Gas Distribution | Subsidiary Non-Guarantors | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 755 | 856 | 2,631 | 2,782
Operating expenses |  |  |  |
Cost of goods and services sold | 312 | 421 | 1,519 | 1,745
Gas Distribution | Spectra Energy Partners L P | Subsidiary Issuer and Guarantor - SEP and EEP | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Cost of goods and services sold | 0 | 0 | 0 | 0
Gas Distribution | Enbridge Energy Partners, L.P. | Subsidiary Issuer and Guarantor - SEP and EEP | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Operating expenses |  |  |  |
Cost of goods and services sold | 0 | 0 | 0 | 0
Transportation and other services |  |  |  |
Operating revenues |  |  |  |
Revenues | 4,092 | 3,438 | 8,440 | 6,970
Transportation and other services | Consolidation, Eliminations |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Transportation and other services | Parent Issuer and Guarantor | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Transportation and other services | Subsidiary Non-Guarantors | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 4,092 | 3,438 | 8,440 | 6,970
Transportation and other services | Spectra Energy Partners L P | Subsidiary Issuer and Guarantor - SEP and EEP | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | 0 | 0 | 0 | 0
Transportation and other services | Enbridge Energy Partners, L.P. | Subsidiary Issuer and Guarantor - SEP and EEP | Reportable Legal Entities |  |  |  |
Operating revenues |  |  |  |
Revenues | $ 0 | $ 0 | $ 0 | $ 0

X
- Definition The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to noncontrolling interests and redeemable noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. + References No definition available. + Details
Name: | enb_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterestAndRedeemableNoncontrollingInterest
Namespace Prefix: | enb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e557-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total costs of sales and operating expenses for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_CostsAndExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109240200&loc=d3e30700-110894 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109240200&loc=d3e30690-110894 + Details
Name: | us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_GeneralAndAdministrativeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(10)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(8)) -URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(15)) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 + Details
Name: | us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(12)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(10)) -URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)(f)) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570 + Details
Name: | us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount before tax of income (loss) of subsidiary attributable to the parent entity. + References No definition available. + Details
Name: | us-gaap_IncomeLossFromSubsidiariesBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (210.5-03(11)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 + Details
Name: | us-gaap_InterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4591551-111686 + Details
Name: | us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=117326831&loc=d3e1377-109256 + Details
Name: | us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OperatingExpensesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of income (expense) related to nonoperating activities, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_OtherNonoperatingIncomeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OtherNonoperatingIncomeExpenseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate value of preferred stock dividends and other adjustments necessary to derive net income apportioned to common stockholders. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=117326831&loc=d3e1377-109256 + Details
Name: | us-gaap_PreferredStockDividendsAndOtherAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4591551-111686 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3000-108585 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4591552-111686 + Details
Name: | us-gaap_ProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RevenuesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ConsolidationEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ReportableLegalEntitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_NonGuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=enb_SpectraEnergyPartnersLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_GuarantorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=enb_EnbridgeEnergyPartnersLpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=enb_CommoditySalesRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=enb_GasDistributionRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=enb_TransportationAndOtherServicesRevenuesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |