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Changes in Fair Value of Level 3 Assets (Detail) (CAD) In Millions, unless otherwise specified |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2013 Mortgage Funds | Dec. 31, 2012 Mortgage Funds | Dec. 31, 2011 Mortgage Funds | Dec. 31, 2013 Venture Capital | Dec. 31, 2012 Venture Capital
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Fair value at beginning | 1 | 1 | 1 | 158 | 148
Net realized gains/(losses) |  |  |  | (17) | (11)
Net unrealized gains/(losses) |  |  |  | 44 | 8
Net purchases/(sales) |  |  |  | 3 | 13
Fair value at ending | 1 | 1 | 1 | 188 | 158

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- Definition Fair value measurement with unobservable inputs net unrealized gains losses. + References No definition available. + Details
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- Definition Amount of purchases, (sales), issuances and (settlements) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph c -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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