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Credit Facility and Short-term Debt (Tables) | 12 Months Ended
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Dec. 31, 2022
Debt Disclosure [Abstract] |
Summary of Contractual Obligations Under Short-term Debts | The following table summarizes our contractual obligations under short-term debt as at December 31, 2022.
|  |  | Payments Due By Period
Contractual Basis |  |  | Less than 1 year |  |  |  |  |  |  |  | Total
|  |  | ($ in millions)
Short-term Debt Obligations |  | $ | 300.0 |  |  |  |  |  |  |  |  | $ | 300.0 |

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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
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