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Statements of Consolidated Stockholders' Equity (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Common Stock, Dividends, Per Share, Declared	$ 0.84	$ 0.80	$ 0.78
Preferred Stock, Dividends Per Share, Declared			28.88
Series A Preferred Stock
Preferred Stock, Dividends Per Share, Declared	$ 56.50	56.50	28.88
Preferred Stock, Liquidation Preference, Value	$ 400
Series B Preferred Stock
Preferred Stock, Dividends Per Share, Declared	$ 1,625.00	$ 1,674.65	$ 0
Preferred Stock, Liquidation Preference, Value	$ 500

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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-Paragraph 1
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Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

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-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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