XML 40 R31.htm IDEA: XBRL DOCUMENT
v3.5.0.2

RETIREMENT AND POSTRETIREMENT BENEFITS (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2016
RETIREMENT AND POSTRETIREMENT BENEFITS |
Schedule of net benefit costs recognized |
|  | Three months ended June 30, |  | Six months ended June 30, |
|  | 2016 |  | 2015 |  | 2016 |  | 2015 |
(millions of Canadian dollars) |  |  |  |  |  |  |  |  |
Benefits earned during the period |  | 41 |  | 44 |  | 83 |  | 88 |
Interest cost on projected benefit obligations |  | 23 |  | 26 |  | 49 |  | 53 |
Expected return on plan assets |  | (38 | ) | (37) |  | (76 | ) | (73 | )
Amortization of prior service costs |  | - |  | 1 |  | - |  | 1 |
Amortization of actuarial loss |  | 9 |  | 12 |  | 18 |  | 24 |
Net benefit costs on an accrual basis 1,2 |  | 35 |  | 46 |  | 74 |  | 93 |
| 1 |  | Included in net benefit costs for the three and six months ended June 30, 2016 are costs related to OPEB of $3 million and $7 million, respectively. (2015 - $4 million and $7 million).
| 2 |  | For the three and six months ended June 30, 2016, offsetting regulatory liabilities of $3 million and $5 million, respectively (2015 - nil regulatory liabilities) have been recorded to the extent pension and OPEB costs are expected to be refunded to or collected from customers in future rates.

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

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration