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Pensions (Tables)
12 Months Ended
Dec. 31, 2021
Retirement Benefits [Abstract]  
Reconciliation of Benefit Obligation and Plan Assets
A reconciliation of the changes in projected benefit obligations (“PBO”) for our pension plans are as follows:
As of December 31,
(In $ millions)20212020
Benefit obligation at beginning of period184.0 169.0 
Interest (credit) / cost(0.2)0.9 
Actuarial (gain) / loss(16.9)21.8 
Benefits paid(1.7)(1.6)
Foreign exchange rate changes7.7 (6.1)
Benefit obligation at end of period172.9 184.0 
A reconciliation of the changes in fair value of plan assets is as follows:
As of December 31,
(In $ millions)20212020
Fair value of plan assets at beginning of period184.0 169.3 
Actual return on plan assets(17.1)22.7 
Employer contribution— (0.3)
Benefits paid(1.7)(1.6)
Foreign exchange rate changes7.7 (6.1)
Fair value of plan assets at end of period172.9 184.0 
Benefit Cost
Benefit cost includes the following components:
 For the Years Ended December 31,
(In $ millions)20212020
Interest cost(0.2)0.9 
Expected return on plan assets0.2 (0.9)
Net benefit cost  
Defined Benefit Plans, Key Assumptions
The key assumptions for the plans are summarized below:
As of December 31,
Weighted Average Assumptions Used to Determine Benefit Obligations20212020
Discount rate
0.39% to 0.43%
(0.09)% to (0.14)%
For the Years Ended December 31,
Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost20212020
Discount rate
0.39% to 0.43%
(0.09)% to (0.14)%
Expected long-term return on plan assets
0.39% to 0.43%
(0.09)% to (0.14)%
Estimated Future Benefit Payments
The following table summarizes the benefit payments at December 31, 2021 estimated to be paid within the next ten years by the issuer of the guaranteed insurance contract:
Payments by Period
Total20222023202420252026Five Years Thereafter
Estimated benefit payments31.8 1.9 2.2 2.5 2.8 3.1 19.3