v2.4.0.6

Preferred shares issued by a subsidiary company (Details) (Subsidiary company) In Millions, except Per Share data, unless otherwise specified | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2012 Series 2 Shares CAD | Dec. 31, 2009 Series 2 Shares CAD | Dec. 31, 2012 Series 2 Shares December 31, 2014 and every five years thereafter CAD | Dec. 31, 2012 Series 3 Shares | Dec. 31, 2012 Series 1 Shares CAD | Dec. 31, 2007 Series 1 Shares CAD | Dec. 31, 2007 Series 1 Shares On or after June 30, 2012 CAD | Dec. 31, 2007 Series 1 Shares After June 30, 2016 CAD | Dec. 31, 2012 Series 1 Shares and Series 2 Shares USD ($) | Dec. 31, 2011 Series 1 Shares and Series 2 Shares USD ($)
Preferred shares issued by subsidiary company |  |  |  |  |  |  |  |  |  |
Number of preferred shares issued |  | 4.0 |  |  |  | 5.0 |  |  |  |
Dividend rate on preferred shares (as a percent) |  | 7.00% |  |  |  | 4.85% |  |  |  |
Issue price of preferred shares (in Canadian dollars per share) |  | 25.00 |  |  |  | 25.00 |  |  |  |
Dividend per share per annum (in Canadian dollars per share) | 1.75 |  |  |  | 1.2125 |  |  |  |  |
Redemption price after specified date and thereafter (in Canadian dollars per share) |  |  | 25.00 |  |  |  | 26.00 | 25.00 |  |
Decline in redemption price per year (in Canadian dollars per share) |  |  |  |  |  | 0.25 |  |  |  |
Initial period for declaration of dividend | 5 years |  |  |  |  |  |  |  |  |
Period for declaration of dividend at reset rate | 5 years |  |  |  |  |  |  |  |  |
Reference rate for dividend | Five-year Government of Canada bond yield |  |  | 90-day Government of Canada treasury bill rate |  |  |  |  |  |
Percentage points added to the reference rate | 4.18% |  |  | 4.18% |  |  |  |  |  |
Frequency for redemption after December 31, 2014 | 5 years |  |  |  |  |  |  |  |  |
Dividend paid |  |  |  |  |  |  |  |  | $ 13.0 | $ 3.2

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- Definition The percentage points added to the reference rate to compute the variable rate on the preference stock. + References No definition available. + Details
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- Definition Issued price per share of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). + References No definition available. + Details
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- Definition Cash outflow in the form of ordinary dividends to preferred shareholders, generally out of earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 + Details
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- Definition Description of basis of dividend, such as adjustable rate. Excludes percentage rate dividend payments or fixed dollar amounts per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 3, 4, 5, 6, 7, 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 + Details
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- Definition The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 7 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4, 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 + Details
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- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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