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SHAREHOLDERS' EQUITY (Dividends) (Details) - USD ($)		3 Months Ended
	Jan. 17, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Class of Stock [Line Items]
Cash dividends declared per common share (in usd per share)		$ 0.41	$ 0.40
Dividends paid in period of declaration (in usd per share)		0	0
Dividends paid in period following declaration (in usd per share)		$ 0.41	0.40
Stock redeemed (in shares)	9,000,000
Preferred shares		$ 550,000,000		$ 775,000,000
Series D Preferred Shares
Class of Stock [Line Items]
Cash dividends declared per preferred share (in usd per share)		$ 0	0.34
Dividends paid in period of declaration (in usd per share)		0	0
Dividends paid in period following declaration (in usd per share)		0	0.34
Preferred shares	$ 225,000,000
Series E Preferred Shares
Class of Stock [Line Items]
Cash dividends declared per preferred share (in usd per share)		34.38	34.38
Dividends paid in period of declaration (in usd per share)		0	0
Dividends paid in period following declaration (in usd per share)		$ 34.38	$ 34.38

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-Publisher FASB
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