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Divestitures and Investment Activities - Schedule of Assets and Liabilities Held for Sale (Parenthetical) (Details) - Business Solutions - Asset Held for Sale, Not Discontinued Operations - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accumulated depreciation on property and equipment	$ 2.5	$ 19.3
Accumulated amortization on other intangible assets	$ 78.2	$ 360.2