RETIREMENT AND POSTRETIREMENT BENEFITS (Details 6) (CAD) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Benefits Expected to be Paid by the Company
Expected future benefit payments for 2015	93
Expected future benefit payments for 2016	99
Expected future benefit payments for 2017	106
Expected future benefit payments for 2018	113
Expected future benefit payments for 2019	120
Expected future benefit payments for 2020-2024	720
Pension Plans
Benefits Expected to be Paid by the Company
Total contributions	138	155
Contributions expected to be paid in 2015	109
Other Postretirement Plans
Benefits Expected to be Paid by the Company
Total contributions	11	12
Contributions expected to be paid in 2015	10

The increase in the fair value of plan assets from contributions made by the employer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)(3)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

+ Details

Name:	us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References