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Retirement Benefit Plans - Summary of Defined Benefit Pension Plan Assets (Detail) - CAD CAD in Millions	Dec. 31, 2017	Dec. 31, 2016
Disclosure of fair value of plan assets [line items]
Equity securities	47.00%	48.00%
Debt securities	37.00%	36.00%
Real estate and other	16.00%	16.00%
Quoted [member]
Disclosure of fair value of plan assets [line items]
Equity securities	CAD 1,184	CAD 1,124
Debt securities	935	850
Real estate and other	74	49
Unquoted [member]
Disclosure of fair value of plan assets [line items]
Real estate and other	CAD 317	CAD 319

X

- Definition

The amount that instruments representing debt (rather than equity) constitute of the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]]

+ References

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+ References

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