CASH FLOW INFORMATION (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 6 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
May. 01, 2015 |
Feb. 02, 2015 |
Nov. 03, 2014 |
Aug. 01, 2014 |
May. 01, 2014 |
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| Dividends Payable [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Preferred stock cash dividend | $ 0.0 | $ 12.8 | $ 12.8 | $ 25.6 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Preferred Class A [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Dividends Payable [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Dividends payable, per share | Ìý | Ìý | Ìý | Ìý | $ 17.50 | $ 17.50 | $ 17.50 | $ 17.50 | $ 17.50 |
| Preferred stock cash dividend | $ 0.0 | $ 12.8 | $ 12.8 | $ 25.6 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Depositary Share [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Dividends Payable [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Dividends payable, per share | Ìý | Ìý | Ìý | Ìý | $ 0.44 | $ 0.44 | $ 0.440 | $ 0.440 | $ 0.440 |
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- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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