STOCK OWNERSHIP AND COMPENSATION PLANS (Supplemental Deferred Compensation Plans) (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Amended company match percentage of employee contributions	5.00%
Cash surrender value of life insurance policies	$ 30,000,000	$ 29,000,000
Supplemental Deferred Compensation Plan [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
SDCP salary deferral	50.00%
SDCP variable incentive compensation deferral	95.00%
Amended company match percentage of employee contributions	5.00%
SDCP accrual	49,000,000	50,000,000
Funds in a trust pertaining to all participant deferrals and company matching amounts related to the SDCP	49,000,000	50,000,000
SDCP II [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Company match percentage of employee contributions	25.00%
SDCP accrual	36,000,000	34,000,000
SDCP salary deferral monetary	20,000
Deferred compensation arrangement with individual, employer contribution	5,000
SDCP II vesting period	four
SDCP II graded vesting percentage	25.00%
Cash surrender value of life insurance policies	$ 30,000,000	$ 29,000,000

Amended Company Match Percentage of Employee Contributions

No definition available.

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- Definition

The maximum matching contribution percentage made by employer of a participant's contributions into its or supplemental deferred compensation plans.

+ References

No definition available.

+ Details

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- Definition

Funds in a trust pertaining to all participant deferrals and company matching amounts related to the Supplemental Deferred Compensation Plan.

+ References

No definition available.

+ Details

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- Definition

SDCP II graded vesting percentage

+ References

No definition available.

+ Details

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- Definition

Monetary amount of salary deferral under the Supplemental Deferred Compensation Plan. This plan is anon-qualified plans that provides for certain management and highly compensated employees to defer up to this percentage or monetary amount of their annual salary in excess of their defined contribution plan limits.

+ References

No definition available.

+ Details

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- Definition

Percentage of salary deferral under the Supplemental Deferred Compensation Plan. This plans is an unfunded, non-qualified plan that provides for certain management and highly compensated employees to defer up to this percentage of their annual salary in excess of their defined contribution plan limits.

+ References

No definition available.

+ Details

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- Definition

Deferral percentage of the variable incentive compensation under the Supplemental Deferred Compensation Plan. The plan is an unfunded, non-qualified plan that provides for certain management and highly compensated eligible employees to defer up to this percentage of their variable incentive compensation.

+ References

No definition available.

+ Details

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- Definition

Fair value portion of the amount that could be realized under a life insurance contract or contracts owned by the entity, commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash Surrender Value

-URI http://asc.fasb.org/extlink&oid=6507153

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- Definition

The amount of payment into the fund established for purposes of making future disbursements to the individual in accordance with the terms and understanding of the deferred compensation arrangement.

+ References

No definition available.

+ Details

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- Definition

The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 710

-SubTopic 10

-Section 30

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363

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- Definition

The minimum period that the individual is required to perform services in order to be fully vested under the deferred compensation arrangement.

+ 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 (a)(1)

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

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