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Note 14 - Retirement and Pension Plans (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Allocation of Plan Assets [Table Text Block]
  

December 31

 
  

2021

  

2020

 
         

Cash

  19%  12%

Debt securities

  28%  28%

Equity securities

  43%  49%
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
  

Years Ended December 31

 
  

2021

  

2020

  

2019

 
             

Projected benefit obligation, beginning of the year

 $1,034  $979  $1,018 

Service cost

  4   3   3 

Interest cost

  3   7   7 

Actuarial loss (gain)

  21   19   (34)

Settlement

  (25)  (26)  (38)

Effect of changes in foreign exchange rate

  30   52   23 
             

Projected benefit obligation, end of the year

 $1,067  $1,034  $979 
             

Fair value of plan assets, beginning of the year

 $857  $765  $697 

Employer contributions

  22   19   19 

Actual return on plan assets

  15   31   31 

Effect of changes in foreign exchange rate

  26   42   18 
             

Fair value of plan assets, end of the year

 $920  $857  $765 
Schedule of Net Benefit Costs [Table Text Block]
  

Years Ended December 31

 
  

2021

  

2020

  

2019

 
             

Service cost

 $4  $3  $3 

Interest cost

  3   7   7 

Expected return on plan assets

  (15)  (13)  (12)

Amortization of net pension loss

  2   2   6 

Curtailment or settlement loss

  3   3   5 
             

Net periodic benefit (income) cost

 $(3) $2  $9 
Schedule of Net Funded Status [Table Text Block]
  

December 31

 
  

2021

  

2020

 
         

Accumulated benefit obligation

 $(932) $(889)
         

Project benefit obligation

  (1,067)  (1,034)

Plan assets at fair value

  920   857 
         

Funded status of the plan

 $(147) $(177)
Defined Benefit Plan, Assumptions [Table Text Block]
  

December 31

 
  

2021

  

2020

 
         

Discount rate

  0.7%  0.3%

Rate of compensation increases

  2.0%  2.0%
Assumptions To Determine The Net Periodic Benefit Cost [Table Text Block]
  

Years Ended December 31

 
  

2021

  

2020

  

2019

 
             

Discount rate

  0.3%  0.7%  0.8%

Rate of compensation increases

  2.0%  2.0%  2.0%

Expected long-term rate of return on plan assets

  1.8%  1.8%  1.8%
Schedule of Expected Benefit Payments [Table Text Block]

Year

    
     

2022

 $173 

2023

  36 

2024

  158 

2025

  27 

2026 and thereafter

  326