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Employee Benefits (Tables)
12 Months Ended
Dec. 31, 2018
Notes to Consolidated Financial Statements [Abstract]  
Composition of employee benefits

Composition of employee benefits:

 

As at December 31

 

2018

2017

 

$ millions

$ millions

 

Fair value of plan assets

518

631

Termination benefits

(111)

(142)

Defined benefit obligation

(860)

(1,068)

 

(453)

(579)

 

Composition of fair value of the plan assets

Composition of fair value of the plan assets:

 

As at December 31

 

2018

2017

 

$ millions

$ millions

 

Equity instruments

 

 

With quoted market price

200

197

 

 

 

Debt instruments

 

 

With quoted market price

164

179

Without quoted market price

119

145

 

283

324

 

 

 

Deposits with insurance companies

35

110

 

 

 

 

518

631

 

Movement in net defined benefit assets (liabilities)
Actuarial assumptions

Principal actuarial assumptions as of the reporting date (expressed as weighted averages):

 

For the year ended December 31

 

2018

2017

2016

 

%

%

%

 

Discount rate as at December 31

3.0

2.7

2.9

Future salary increases

3.3

3.2

2.6

Future pension increase

2.2

2.2

2.2

The assumptions regarding the future mortality rate are based on published statistics and accepted mortality tables.

Sensitivity analysis

Assuming all other assumptions remain constant, the following reasonable possible changes effect the defined benefit obligation as of the date of the financial statements in the following manner:

 

December 2018

 

Decrease 10%

Decrease

5%

Increase

5%

Increase

10%

 

$ millions

$ millions

$ millions

$ millions

 

Significant actuarial assumptions

 

 

 

 

Salary increase

18

9

(9)

(18)

Discount rate

(32)

(16)

16

32

Mortality table

(17)

(9)

9

17