STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION (Common Stock) (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended		3 Months Ended		4 Months Ended			9 Months Ended	12 Months Ended
	Jan. 05, 2016	Aug. 04, 2015	Feb. 29, 2012	Jun. 30, 2016	Mar. 31, 2015	Nov. 23, 2016	Aug. 04, 2016	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 30, 2016
Class of Stock [Line Items]
Authorized shares of capital stock										3,050,000,000.00
Authorized shares of common stock										3,000,000,000.0
Authorized shares of preferred stock										50,000,000
Issuance of common stock								$ 1,000.0		$ 2,366.0	$ 1,936.0
Proceeds from sale of common stock										$ 1,515.0	$ 1,936.0	$ 0.0
Debt Instrument, Face Amount													$ 2,342.0
Common Stock, Dividends, Per Share, Cash Paid		$ 0.1105
Dividends declared per share of common stock (in dollars per share)			$ 1.25		$ 0.20					$ 0	$ 0.2605	$ 1.25
Common stocks
Class of Stock [Line Items]
Issuance of common stock				$ 540.0		$ 1,500.0	$ 311.0		$ 1,000.0	$ 20.0	$ 20.0
Stock Issued During Period, Shares, New Issues	4,300,000			48,100,000		116,500,000	27,700,000			197,000,000	205,700,000
Shares Issued, Price Per Share						$ 12.87		$ 9.53			$ 9.53
Proceeds from sale of common stock	$ 29.0					$ 1,500.0					$ 1,960.0
Proceeds From Issuance Of Common Stock Net						1,480.0					1,940.0
Payments of Stock Issuance Costs	$ 0.3			$ 5.0		$ 15.0					$ 20.0
Debt Instrument, Face Amount							$ 369.0