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Employee Benefits (Tables)
12 Months Ended
Dec. 31, 2017
Notes to Consolidated Financial Statements [Abstract]  
Composition of employee benefits

A. Composition

Composition of employee benefits:

 

As at December 31

 

2017

2016

 

$ millions

$ millions

 

 

 

 

Fair value of plan assets

631

552

Termination benefits

(142)

(147)

Defined benefit obligation

(1,068)

(934)

 

(579)

(529)

 

Composition of fair value of the plan assets

Composition of fair value of the plan assets:

 

As at December 31

 

2017

2016

 

$ millions

$ millions

 

 

 

 

Equity instruments

 

 

With quoted market price

197

205

Debt instruments

 

 

With quoted market price

179

133

Without quoted market price

145

126

 

324

259

 

 

 

Deposits with insurance companies

110

88

 

 

 

 

631

552

 

Movement in net defined benefit assets (liabilities)
Actuarial assumptions

F. Actuarial assumptions

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

 

For the year ended December 31

 

2017

2016

2015

 

%

%

%

 

 

 

 

 

Discount rate as at December 31

2.6

2.9

3.3

Future salary increases

2.9

2.6

2.9

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 2017

 

Decrease 10%

Decrease

5%

Increase

5%

Increase

10%

 

$ millions

$ millions

$ millions

$ millions

 

Significant actuarial assumptions

 

 

 

 

Salary increase

24

12

(13)

(25)

Discount rate

(37)

(18)

19

37

Mortality table

(22)

(11)

10

21