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CONDENSED CONSOLIDATING FINANCIAL INFORMATION - Condensed Consolidating Statements of Cash Flows (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | $ 9,398 | $ 10,502 | $ 6,658
Capital expenditures | (5,492) | (6,806) | (8,287)
Long-term investments and restricted long-term investments | (1,159) | (1,312) | (3,586)
Distributions from equity investments in excess of cumulative earnings | 417 | 1,277 | 125
Additions to intangible assets | (200) | (540) | (789)
Cash acquired in Merger Transaction | 0 | 0 | 682
Affiliate loans, net | (314) | (76) | (22)
Proceeds from dispositions | 2,110 | 4,452 | 628
Contributions to subsidiaries | 0 | 0 | 0
Return of share capital from subsidiaries | 0 | 0 | 0
Advances to affiliates | 0 | 0 | 0
Repayment of advances to affiliates | 0 | 0 | 0
Other | (20) | (12) | 212
Net cash used in investing activities | (4,658) | (3,017) | (11,037)
Net change in short-term borrowings | (127) | (420) | 721
Net change in commercial paper and credit facility draws | 825 | (2,256) | (1,249)
Debenture and term note issues, net of issue costs | 6,176 | 3,537 | 9,483
Debenture and term note repayments | (4,668) | (4,445) | (5,054)
Purchase of interest in consolidated subsidiary | 0 | 0 | (227)
Sale of noncontrolling interest in subsidiary | 0 | 1,289 | 0
Contributions from noncontrolling interests | 12 | 24 | 832
Distributions to noncontrolling interests | (254) | (857) | (919)
Contributions from redeemable noncontrolling interests | 0 | 70 | 1,178
Distributions to redeemable noncontrolling interests | 0 | (325) | (247)
Contributions from parents | 0 | 0 | 0
Distributions to parents | 0 | 0 | 0
Sponsored Vehicle buy-in cash payment | 0 | (64) | 0
Preference shares issued | 0 | 0 | 489
Redemption of preferred shares | (300) | (210) | 0
Common shares issued | 18 | 21 | 1,549
Preference share dividends | (383) | (364) | (330)
Common share dividends | (5,973) | (3,480) | (2,750)
Advances from affiliates | 0 | 0 | 0
Repayment of advances from affiliates | 0 | 0 | 0
Other | (71) | (23) | 0
Net cash (used in)/provided by financing activities | (4,745) | (7,503) | 3,476
Effect of translation of foreign denominated cash and cash equivalents and restricted cash | 44 | 68 | (72)
Net increase/(decrease) in cash and cash equivalents and restricted cash | 39 | 50 | (975)
Cash and cash equivalents and restricted cash at beginning of year | 637 | 587 | 1,562
Cash and cash equivalents and restricted cash at end of year | 676 | 637 | 587
Eliminations and Other |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | (3,834) | (4,389) | (3,276)
Capital expenditures | 0 | 0 | 0
Long-term investments and restricted long-term investments | 0 | 78 | 202
Distributions from equity investments in excess of cumulative earnings | (1,196) | (1,269) | (957)
Additions to intangible assets | 0 | 0 | 0
Cash acquired in Merger Transaction |  |  | 0
Affiliate loans, net | 0 |  | 0
Proceeds from dispositions | 0 | 0 | (2,217)
Contributions to subsidiaries | 4,771 | 9,878 | 6,922
Return of share capital from subsidiaries | (5,281) | (3,753) | (3,724)
Advances to affiliates | 114,462 | 14,251 | 12,094
Repayment of advances to affiliates | (40,301) | (15,573) | (9,522)
Other | 0 | 0 | 0
Net cash used in investing activities | 72,455 | 3,612 | 2,798
Net change in short-term borrowings | 0 | 0 | 0
Net change in commercial paper and credit facility draws | 0 | 0 | 0
Debenture and term note issues, net of issue costs | 0 | 0 | 0
Debenture and term note repayments | 0 | 0 | 0
Purchase of interest in consolidated subsidiary |  |  | 2,217
Sale of noncontrolling interest in subsidiary |  | 1,289 |
Contributions from noncontrolling interests | 12 | 24 | 832
Distributions to noncontrolling interests | (254) | (857) | (919)
Contributions from redeemable noncontrolling interests | 0 | 70 | 615
Distributions to redeemable noncontrolling interests | 0 | (325) | (247)
Contributions from parents | (4,771) | (9,230) | (6,922)
Distributions to parents | 10,553 | 9,132 | 8,869
Sponsored Vehicle buy-in cash payment |  | 0 |
Preference shares issued |  |  | 0
Redemption of preferred shares | 0 | 0 | 0
Common shares issued | 0 | (648) | (1,873)
Preference share dividends | 0 | 0 | 478
Common share dividends | 0 | 0 | 0
Advances from affiliates | (114,462) | (14,251) | (12,094)
Repayment of advances from affiliates | 40,301 | 15,573 | 9,522
Other | 0 | 0 |
Net cash (used in)/provided by financing activities | (68,621) | 777 | 478
Effect of translation of foreign denominated cash and cash equivalents and restricted cash | 0 | 0 | 0
Net increase/(decrease) in cash and cash equivalents and restricted cash | 0 | 0 | 0
Cash and cash equivalents and restricted cash at beginning of year | 0 | 0 | 0
Cash and cash equivalents and restricted cash at end of year | 0 | 0 | 0
Parent Issuer and Guarantor | Parent and Subsidiaries |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | 2,246 | 1,696 | 620
Capital expenditures | (75) | (28) | (21)
Long-term investments and restricted long-term investments | (26) | (81) | (202)
Distributions from equity investments in excess of cumulative earnings | 0 | 287 | 36
Additions to intangible assets | (68) | (43) | (47)
Cash acquired in Merger Transaction |  |  | 0
Affiliate loans, net | 0 |  | 0
Proceeds from dispositions | 0 | 1,790 | 0
Contributions to subsidiaries | (4,759) | (8,131) | (4,866)
Return of share capital from subsidiaries | 5,281 | 3,753 | 2,192
Advances to affiliates | (50,897) | (6,863) | (7,145)
Repayment of advances to affiliates | 15,808 | 9,427 | 4,506
Other | 0 | 0 | 0
Net cash used in investing activities | (34,736) | 111 | (5,547)
Net change in short-term borrowings | 0 | 0 | 0
Net change in commercial paper and credit facility draws | 3,158 | (734) | (1,845)
Debenture and term note issues, net of issue costs | 3,621 | 2,554 | 8,177
Debenture and term note repayments | (1,450) | 0 | (1,711)
Purchase of interest in consolidated subsidiary |  |  | 0
Sale of noncontrolling interest in subsidiary |  | 0 |
Contributions from noncontrolling interests | 0 | 0 | 0
Distributions to noncontrolling interests | 0 | 0 | 0
Contributions from redeemable noncontrolling interests | 0 | 0 | 563
Distributions to redeemable noncontrolling interests | 0 | 0 | 0
Contributions from parents | 0 | 0 | 0
Distributions to parents | 0 | 0 | 0
Sponsored Vehicle buy-in cash payment |  | (64) |
Preference shares issued |  |  | 489
Redemption of preferred shares | 0 | 0 | 0
Common shares issued | 18 | 21 | 1,549
Preference share dividends | (383) | (364) | (330)
Common share dividends | (5,973) | (3,480) | (2,336)
Advances from affiliates | 46,860 | 710 | 407
Repayment of advances from affiliates | (13,361) | (443) | (40)
Other | 0 | 0 |
Net cash (used in)/provided by financing activities | 32,490 | (1,800) | 4,923
Effect of translation of foreign denominated cash and cash equivalents and restricted cash | 0 | 0 | 0
Net increase/(decrease) in cash and cash equivalents and restricted cash | 0 | 7 | (4)
Cash and cash equivalents and restricted cash at beginning of year | 9 | 2 | 6
Cash and cash equivalents and restricted cash at end of year | 9 | 9 | 2
Subsidiary Non-Guarantors | Parent and Subsidiaries |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | 9,675 | 11,683 | 9,654
Capital expenditures | (5,417) | (6,778) | (8,266)
Long-term investments and restricted long-term investments | (1,122) | (1,297) | (3,535)
Distributions from equity investments in excess of cumulative earnings | 393 | 1,232 | 103
Additions to intangible assets | (132) | (497) | (742)
Cash acquired in Merger Transaction |  |  | 682
Affiliate loans, net | (314) | (76) | (22)
Proceeds from dispositions | 2,110 | 2,662 | 1,103
Contributions to subsidiaries | 0 | (1,655) | 0
Return of share capital from subsidiaries | 0 | 0 | 0
Advances to affiliates | (60,787) | (5,685) | (3,020)
Repayment of advances to affiliates | 22,136 | 4,124 | 2,887
Other | (20) | (12) | 212
Net cash used in investing activities | (43,153) | (7,982) | (10,598)
Net change in short-term borrowings | (127) | (420) | 721
Net change in commercial paper and credit facility draws | 695 | 449 | (1,053)
Debenture and term note issues, net of issue costs | 2,555 | 983 | 787
Debenture and term note repayments | (704) | (3,288) | (2,810)
Purchase of interest in consolidated subsidiary |  |  | (1,969)
Sale of noncontrolling interest in subsidiary |  | 0 |
Contributions from noncontrolling interests | 0 | 0 | 0
Distributions to noncontrolling interests | 0 | 0 | 0
Contributions from redeemable noncontrolling interests | 0 | 0 | 0
Distributions to redeemable noncontrolling interests | 0 | 0 | 0
Contributions from parents | 4,771 | 8,223 | 6,922
Distributions to parents | (8,888) | (6,564) | (6,093)
Sponsored Vehicle buy-in cash payment |  | 0 |
Preference shares issued |  |  | 0
Redemption of preferred shares | (300) | (210) | 1,613
Common shares issued | 0 | 0 | 0
Preference share dividends | 0 | 0 | 0
Common share dividends | 0 | 0 | (414)
Advances from affiliates | 53,675 | 8,566 | 9,074
Repayment of advances from affiliates | (18,165) | (11,449) | (6,635)
Other | (60) | (18) |
Net cash (used in)/provided by financing activities | 33,452 | (3,728) | 143
Effect of translation of foreign denominated cash and cash equivalents and restricted cash | 44 | 68 | (70)
Net increase/(decrease) in cash and cash equivalents and restricted cash | 18 | 41 | (871)
Cash and cash equivalents and restricted cash at beginning of year | 612 | 571 | 1,442
Cash and cash equivalents and restricted cash at end of year | 630 | 612 | 571
Spectra Energy Partners, LP | Subsidiary Issuer and Guarantor | Parent and Subsidiaries |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | 1,676 | 1,751 | 355
Capital expenditures | 0 | 0 | 0
Long-term investments and restricted long-term investments | (11) | (12) | (51)
Distributions from equity investments in excess of cumulative earnings | 24 | 45 | 22
Additions to intangible assets | 0 | 0 | 0
Cash acquired in Merger Transaction |  |  | 0
Affiliate loans, net | 0 |  | 0
Proceeds from dispositions | 0 | 0 | 0
Contributions to subsidiaries | 0 | (79) | 0
Return of share capital from subsidiaries | 0 | 0 | 0
Advances to affiliates | 0 | 0 | (519)
Repayment of advances to affiliates | 0 | 518 | 0
Other | 0 | 0 | 0
Net cash used in investing activities | 13 | 472 | (548)
Net change in short-term borrowings | 0 | 0 | 0
Net change in commercial paper and credit facility draws | (2,011) | (962) | 1,965
Debenture and term note issues, net of issue costs | 0 | 0 | 519
Debenture and term note repayments | 0 | (648) | (533)
Purchase of interest in consolidated subsidiary |  |  | 0
Sale of noncontrolling interest in subsidiary |  | 0 |
Contributions from noncontrolling interests | 0 | 0 | 0
Distributions to noncontrolling interests | 0 | 0 | 0
Contributions from redeemable noncontrolling interests | 0 | 0 | 0
Distributions to redeemable noncontrolling interests | 0 | 0 | 0
Contributions from parents | 0 | 0 | 0
Distributions to parents | (1,014) | (1,902) | (1,987)
Sponsored Vehicle buy-in cash payment |  | 0 |
Preference shares issued |  |  | 0
Redemption of preferred shares | 0 | 0 | 0
Common shares issued | 0 | 648 | 227
Preference share dividends | 0 | 0 | 0
Common share dividends | 0 | 0 | 0
Advances from affiliates | 5,678 | 1,474 | 0
Repayment of advances from affiliates | (4,321) | (826) | 0
Other | (4) | (5) |
Net cash (used in)/provided by financing activities | (1,672) | (2,221) | 191
Effect of translation of foreign denominated cash and cash equivalents and restricted cash | 0 | 0 | 0
Net increase/(decrease) in cash and cash equivalents and restricted cash | 17 | 2 | (2)
Cash and cash equivalents and restricted cash at beginning of year | 16 | 14 | 16
Cash and cash equivalents and restricted cash at end of year | 33 | 16 | 14
Enbridge Energy Partners, L.P. | Subsidiary Issuer and Guarantor | Parent and Subsidiaries |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | (365) | (239) | (695)
Capital expenditures | 0 | 0 | 0
Long-term investments and restricted long-term investments | 0 | 0 | 0
Distributions from equity investments in excess of cumulative earnings | 1,196 | 982 | 921
Additions to intangible assets | 0 | 0 | 0
Cash acquired in Merger Transaction |  |  | 0
Affiliate loans, net | 0 |  | 0
Proceeds from dispositions | 0 | 0 | 1,742
Contributions to subsidiaries | (12) | (13) | (2,056)
Return of share capital from subsidiaries | 0 | 0 | 1,532
Advances to affiliates | (2,778) | (1,703) | (1,410)
Repayment of advances to affiliates | 2,357 | 1,504 | 2,129
Other | 0 | 0 | 0
Net cash used in investing activities | 763 | 770 | 2,858
Net change in short-term borrowings | 0 | 0 | 0
Net change in commercial paper and credit facility draws | (1,017) | (1,009) | (316)
Debenture and term note issues, net of issue costs | 0 | 0 | 0
Debenture and term note repayments | (2,514) | (509) | 0
Purchase of interest in consolidated subsidiary |  |  | (475)
Sale of noncontrolling interest in subsidiary |  | 0 |
Contributions from noncontrolling interests | 0 | 0 | 0
Distributions to noncontrolling interests | 0 | 0 | 0
Contributions from redeemable noncontrolling interests | 0 | 0 | 0
Distributions to redeemable noncontrolling interests | 0 | 0 | 0
Contributions from parents | 0 | 1,007 | 0
Distributions to parents | (651) | (666) | (789)
Sponsored Vehicle buy-in cash payment |  | 0 |
Preference shares issued |  |  | 0
Redemption of preferred shares | 0 | 0 | (1,613)
Common shares issued | 0 | 0 | 1,646
Preference share dividends | 0 | 0 | (478)
Common share dividends | 0 | 0 | 0
Advances from affiliates | 8,249 | 3,501 | 2,613
Repayment of advances from affiliates | (4,454) | (2,855) | (2,847)
Other | (7) | 0 |
Net cash (used in)/provided by financing activities | (394) | (531) | (2,259)
Effect of translation of foreign denominated cash and cash equivalents and restricted cash | 0 | 0 | (2)
Net increase/(decrease) in cash and cash equivalents and restricted cash | 4 | 0 | (98)
Cash and cash equivalents and restricted cash at beginning of year | 0 | 0 | 98
Cash and cash equivalents and restricted cash at end of year | $ 4 | $ 0 | $ 0

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- Definition The cash outflow to reacquire preferred stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Cash outflow to owners or shareholders, excluding ordinary dividends. Includes special dividends. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding 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 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, beyond the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the long-term. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with extending a long-term loan to a related party. Alternate caption: Payments for Advances to Affiliates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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