Aggregate dividends declared during the period for each share of common stock outstanding.

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- Definition

The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Aggregate dividends declared during the period for each share of preferred stock outstanding.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
	Jan. 26, 2021	Jan. 04, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Subsequent Event [Line Items]
Payment to settle portion of forward share repurchase liability			$ 190.6	$ 0.0	$ 0.0
Dividends declared per share (usd per share)			$ 0.78	$ 1.23	$ 1.19
Preferred stock dividends declared per share (usd per share)			$ 59.00	$ 30.81
Subsequent event
Subsequent Event [Line Items]
Dividends declared per share (usd per share)	$ 0.155
Preferred stock dividends declared per share (usd per share)	$ 14.75
Subsequent event \| Forward Contracts \| $200 million - entered on May 13, 2019
Subsequent Event [Line Items]
Payment to settle portion of forward share repurchase liability		$ 117.0