XML 51 R26.htm IDEA: XBRL DOCUMENT
v3.20.4

ASSET RETIREMENT OBLIGATIONS | 12 Months Ended
--- | ---
Dec. 31, 2020
Asset Retirement Obligation Disclosure [Abstract] |
ASSET RETIREMENT OBLIGATIONS | ASSET RETIREMENT OBLIGATIONS Our ARO relate mostly to the retirement of pipelines, renewable power generation assets, obligations related to right-of way agreements and contractual leases for land use. The liability for the expected cash flows as recognized in the financial statements reflected discount rates ranging from 1.8% to 9.0%. A reconciliation of movements in our ARO liabilities is as follows:
December 31, | 2020 | 2019
(millions of Canadian dollars) |  |
Obligations at beginning of year | 520 |  | 989 |
Liabilities disposed | — |  | (59) |
Liabilities incurred | — |  | 15 |
Liabilities settled | (30) |  | (12) |
Change in estimate and other | — |  | (417) |
Foreign currency translation adjustment | (6) |  | (18) |
Accretion expense | 12 |  | 22 |
Obligations at end of year | 496 |  | 520 |
Presented as follows: |  |
Accounts payable and other | 56 |  | 7 |
Other long-term liabilities | 440 |  | 513 |
| 496 |  | 520 |

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

X
- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2175671 + Details
Name: | us-gaap_AssetRetirementObligationDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration