STOCK OPTION AND STOCK UNIT PLANS - INCENTIVE PLANS (Details)	12 Months Ended
Dec. 31, 2016 item shares
STOCK OPTION AND STOCK UNIT PLANS
Number of long-term incentive compensation plans \| item	4
2002 ISO plan
STOCK OPTION AND STOCK UNIT PLANS
Maximum number of common shares reserved for issuance under the share-based compensation plan	60,000,000
Number of shares issued to date under the share-based compensation plan	50,000,000
2007 ISO and PSO plans
STOCK OPTION AND STOCK UNIT PLANS
Maximum number of common shares reserved for issuance under the share-based compensation plan	71,000,000
Number of shares issued to date under the share-based compensation plan	14,000,000
Number of shares exercised to date under the share-based compensation plan	14,000,000
PSU and RSU plans
STOCK OPTION AND STOCK UNIT PLANS
Number of common shares for each stock unit granted	1

Cumulative number of shares exercised through the balance sheet date under the share-based compensation plan.

No definition available.

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- Definition

Cumulative number of shares issued through the balance sheet date under the share-based compensation plan.

+ References

No definition available.

+ Details

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- Definition

Represents the number of common shares for each stock unit granted under the share-based compensation plan.

+ References

No definition available.

+ Details

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- Definition

Represents the number of share-based compensation plans of the entity.

+ References

No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ 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)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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