FINANCIAL INSTRUMENTS (Investments) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Financial Instruments [Line Items]
Investing Results, Proceeds from sales of available-for-sale securities	$ 360	$ 352
Investing Results, Gross realized gains	62	56
Investing Results, Gross realized losses	(2)	(11)
Contractual Maturities of Debt Securities, Within one year, Amortized Cost	11
Contractual Maturities of Debt Securities, One to five years, Amortized Cost	594
Contractual Maturities of Debt Securities, Six to ten years, Amortized Cost	467
Contractual Maturities of Debt Securities, After ten years, Amortized Cost	141
Contractual Maturities of Debt Securities, Total, Amortized Cost	1,213
Contractual Maturities of Debt Securities, Within one year, Fair Value	11
Contractual Maturities of Debt Securities, One to five years, Fair Value	628
Contractual Maturities of Debt Securities, Six to ten years, Fair Value	486
Contractual Maturities of Debt Securities, After ten years, Fair Value	165
Contractual Maturities of Debt Securities, Total, Fair Value	1,290
Held-to-maturity securities	650		1,581
Investments in money market funds	658		1,331
Cost method investments, aggregate cost	176		185
Cost method investments, reduction in cost basis due to impairment	$ 6	$ 3

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This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.