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

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

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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-Publisher FASB
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Aggregate dividends paid during the period for each share of preferred stock outstanding.

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Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended								3 Months Ended		9 Months Ended
	Sep. 30, 2019	Aug. 31, 2019	Jul. 31, 2019	Apr. 30, 2019	Mar. 31, 2019	Feb. 28, 2019	Sep. 30, 2018	Feb. 28, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Dec. 31, 2018	Aug. 31, 2018	Dec. 31, 2017
Common Stock, Dividends, Per Share, Declared									$ 0.10	$ 0.00	$ 0.30	$ 0.00
Dividends paid to common shareholders											$ 1,584.7	$ 654.9
Quarterly dividend [Member]
Common Stock, Dividends, Per Share, Declared		$ 0.10
Common Stock, Dividends, Per Share, Cash Paid			$ 0.10	$ 0.10
Annual variable dividend
Common Stock, Dividends, Per Share, Cash Paid						$ 2.5140		$ 1.1247
Series B Preferred Stock
Preferred Stock, Dividends, Per Share, Cash Paid	$ 26.875				$ 26.875		$ 27.024
Dividends payable		$ 13.4				$ 13.4									$ 13.5
Common Stock [Member] \| Quarterly dividend [Member]
Dividends payable	$ 58.5				$ 58.4				$ 58.5		$ 58.5		$ 58.4
Common Stock [Member] \| Annual variable dividend
Dividends payable														$ 1,467.9		$ 655.1