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Expected Credit Losses (Tables) | 12 Months Ended
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Dec. 31, 2021
Credit Loss [Abstract] |
Allowance for Expected Credit Losses | The table below sets forth the allowance for expected credit losses:
(In $ millions) | Trade Receivables | Other Current Assets | Total
Upon adoption of ASU 2016-13 - Measurement of credit losses, as at January 1, 2020 | 1.0 |  | 1.9 |  | 2.9 |
Provision for expected credit losses | 1.2 |  | — |  | 1.2 |
Recoveries collected / reversals of provision | (1.0) |  | — |  | (1.0) |
Balance as at December 31, 2020 | 1.2 |  | 1.9 |  | 3.1 |
Provision for expected credit losses | 0.3 |  | — |  | 0.3 |
Recoveries collected / reversals of provision | (0.7) |  | — |  | (0.7) |
Write-off charged against allowance | — |  | (1.9) |  | (1.9) |
Balance as at December 31, 2021 | 0.8 |  | — |  | 0.8 |

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