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Business Segments - Geographic Information on Certain Long-Lived Assets (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Certain long-lived assets | $ 8,225.1 | $ 8,228.0 | $ 8,127.9
United States |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Certain long-lived assets | 6,555.0 | 6,562.8 | 6,371.4
Canada |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Certain long-lived assets | 1,497.3 | 1,499.1 | 1,566.9
Other |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Certain long-lived assets | $ 172.8 | $ 166.1 | $ 189.6

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 + Details
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Balance Type: | debit
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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