STOCK BASED COMPENSATION PLANS 3 (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share Based Compensation Arrangement By Share Based Payment Stock Options [Line Items]
Tax benefit from stock options exercised (Cash Flow)	$ 56	$ 42	$ 13
Stock Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Stock Options [Line Items]
Shares available for Future Grants	32,796,373
Stock Incentive Plan [Member] \| Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Stock Options [Line Items]
Stock options vesting period, years	4 years 0 months
Stock Options General Expiration Period	10 years 0 months
Share-based compensation expense	65	59	55
Future tax benefit from share-based compensation expense	23	19	16
Number of Options Exercisable	19,468,017	21,672,281	24,722,493
Weighted Average Exercise Price	$ 43.64	$ 40.71	$ 39.43
Options exercisable aggregate intrinsic value	202	164	54
Cash received from stock options exercised	305	290	181
Tax benefit realized from stock options exercised	74	54	18
Tax benefit from stock options exercised (Cash Flow)	56	42	13
Unrecognized compensation on nonvested stock options	123
Nonvested options recognized over weighted average period, years	2 years 4 months
Fair value of options vested	63	52	41
Stock Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Stock Options [Line Items]
Share-based compensation expense	105	109	109
Unrecognized compensation on nonvested stock options	$ 185
Nonvested options recognized over weighted average period, years	2 years 0 months
Stock Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member] \| Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Stock Options [Line Items]
Stock options vesting period, years	3 years 0 months
Stock Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Stock Options [Line Items]
Stock options vesting period, years	7 years 0 months
Non Employee Directors Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Stock Options [Line Items]
Shares available for Future Grants	186,933
Non Employee Directors Plan [Member] \| Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Stock Options [Line Items]
Stock options vesting period, years	4 years 0 months
Stock Options General Expiration Period	10 years 0 months

Fair value of options vested

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General period, in years, stock options expire

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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Amount of excess tax benefit (tax deficiency) that arises when compensation cost from non-qualified share-based compensation recognized on the entity's tax return exceeds (is less than) compensation cost from equity-based compensation recognized in financial statements. Excess tax benefit (tax deficiency) increases (decreases) net cash provided by financing activities.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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