Derivative Financial Instruments and Hedging Activities - Schedule of Fair Value by Balance Sheet Location (Details) - Not Designated as Hedging Instrument - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Derivative [Line Items]
Derivative Asset, Fair Value, Gross	$ 527.7	$ 338.8
Cash collateral	55.4	25.9
Derivative Asset, Fair Value, Gross, Total net of cash collateral	472.3	312.9
Derivative Liabilities, Fair Value, Gross	517.3	307.8
Cash collateral	19.6	24.8
Derivative Liabilities, Fair Value, Gross, Total net of cash collateral	497.7	283.0
Derivative Asset	244.7	120.9
Derivative Assets, Total net of cash collateral	189.3	95.0
Derivative Liabilities, Fair Value, Net	234.3	89.9
Derivative Liabilities, Total net of cash collateral	$ 214.7	$ 65.1

Derivative Asset, Fair Value, Gross, Amount Offset Against Collateral

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Derivative Liability, Fair Value, Gross, Amount Offset Against Collateral

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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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