EMPLOYEE STOCK PLANS - Summary of the status of the company's nonvested options and restricted stock (Details 1) (Employee Stock Plans, USD $)	3 Months Ended
Mar. 31, 2013
Stock Options
Share Based Compensation Arrangement By Share Based Payment Award, Non vested Options [Roll Forward]
Nonvested- Beginning of Year 2013	10,047,200
Granted
Vested	(39,200)
Forfeited
Nonvested-Quarter Ended March 31, 2013	10,008,000
Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested - Beginning of Year 2013
Granted
Vested
Forfeited
Nonvested-Quarter Ended March 31, 2013
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested - Beginning of Year 2013	4,235,164
Granted	1,908,602
Vested	(2,967,392)
Forfeited
Nonvested-Quarter Ended March 31, 2013	3,176,374

As of the balance sheet date, the number of shares into which non vested options outstanding.

No definition available.

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- Definition

The number of equity-based payment instruments non vested options that were forfeited during the reporting period.

+ References

No definition available.

+ Details

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- Definition

The number of grants made during the period

+ References

No definition available.

+ Details

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- Definition

The number of equity-based payment instruments, non vested options that were vested during the reporting period.

+ References

No definition available.

+ Details

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period.

+ References

No definition available.

+ Details

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards forfeited during the period.

+ References

No definition available.

+ Details

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards granted during the period.

+ References

No definition available.

+ Details

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards vested during the period.

+ References

No definition available.

+ Details

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

+ Details

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