|
Asset Allocation Ranges and Actual Allocation, CRIP (Detail) (Canadian Retirement Income Plan, or CRIP)
|
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|
|
Canadian Equities
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Range minimum | 25.00% | |
| Range maximum | 50.00% | |
| Actual | 34.80% | 35.30% |
|
U.S. Equities
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Range minimum | 0.00% | |
| Range maximum | 19.00% | |
| Actual | 5.20% | 4.90% |
|
International Equities
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Range minimum | 0.00% | |
| Range maximum | 19.00% | |
| Actual | 8.90% | 8.90% |
|
Fixed Income
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Range minimum | 30.00% | |
| Range maximum | 70.00% | |
| Actual | 50.50% | 50.30% |
|
Money Market
|
||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Range minimum | 0.00% | |
| Range maximum | 10.00% | |
| Actual | 0.60% | 0.60% |
| X | ||||||||||
|
- Definition
Defined Benefit Plan Target Allocation Percentage Of Assets Range Maximum No definition available.
|
| X | ||||||||||
|
- Definition
Defined Benefit Plan Target Allocation Percentage Of Assets Range Minimum No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The aggregate percentage of the fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of total plan assets held as of the measurement date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|