Information About Segments of Business Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting, Asset Reconciling Item
Assets	$ 26,501.4	$ 25,159.4
Consolidation elimination adjustments [Member]
Segment Reporting, Asset Reconciling Item
Assets	$ (303.2)	$ (227.2)

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details