Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Reconciliation of cash, cash equivalents and restricted cash
Cash and due from banks, including restricted balances of $29.6 and $22.9 at March 31, 2020 and 2019, respectively	$ 220.7	$ 990.1	$ 130.1
Interest-bearing cash, including restricted balances of $2.1 and $2.3 at March 31, 2020 and 2019, respectively	3,477.8	1,695.5	1,190.1
Total cash, cash equivalents, and restricted cash shown in the Statements of Cash Flows	3,698.5	2,685.6	1,320.2	$ 1,795.6
Cash and due from banks, restricted	29.6	875.2	22.9
Restricted interest-bearing deposits	$ 2.1	$ 2.2	$ 2.3