FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2016

Sep. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

Financial assets and liabilities measured at fair value on a recurring basis are summarized below:

	September 30, 2016								December 31, 2015
Dollars in Millions	Level 1		Level 2			Total			Level 1		Level 2			Total
Cash and cash equivalents - Money market and other securities	$	—	$	2,835		$	2,835		$	—	$	1,825		$	1,825
Marketable securities:
Certificates of deposit	—		469			469			—		804			804
Commercial paper	—		540			540			—		—			—
Corporate debt securities	—		4,046			4,046			—		5,638			5,638
Equity funds	—		101			101			—		92			92
Fixed income funds	—		7			7			—		11			11
Derivative assets:
Interest rate swap contracts	—		8			8			—		31			31
Forward starting interest rate swap contracts	—		—			—			—		15			15
Foreign currency forward contracts	—		20			20			—		50			50
Equity investments	34		—			34			60		—			60
Derivative liabilities:
Interest rate swap contracts	—		—			—			—		(1		)	(1		)
Forward starting interest rate swap contracts	—		(102		)	(102		)	—		(7		)	(7		)
Foreign currency forward contracts	—		(42		)	(42		)	—		(10		)	(10		)

Available-for-sale Securities [Table Text Block]

The following table summarizes available-for-sale securities:

Dollars in Millions	Amortized Cost		Gross Unrealized Gain in Accumulated OCI		Gross Unrealized Loss in Accumulated OCI			Fair Value
September 30, 2016
Certificates of deposit	$	469	$	—	$	—		$	469
Commercial paper	540		—		—			540
Corporate debt securities	4,011		36		(1		)	4,046
Equity investments	31		4		(1		)	34
Total	$	5,051	$	40	$	(2	)	$	5,089
December 31, 2015
Certificates of deposit	$	804	$	—	$	—		$	804
Corporate debt securities	5,646		15		(23		)	5,638
Equity investments	74		10		(24		)	60
Total	$	6,524	$	25	$	(47	)	$	6,502

Dollars in Millions	September 30, 2016		December 31, 2015
Current marketable securities(a)	$	2,128	$	1,885
Non-current marketable securities(b)	3,035		4,660
Other assets	34		60
Available-for-sale securities	$	5,197	$	6,605

(a) The fair value option for financial assets was elected for investments in equity and fixed income funds. The fair value of these investments were $108 million at September 30, 2016 and $103 million at December 31, 2015 and were included in current marketable securities.

(b) All non-current marketable securities mature within five years as of September 30, 2016 and December 31, 2015.

Schedule of Derivatives and Fair Value [Table Text Block]

The following table summarizes the fair value of outstanding derivatives:

		September 30, 2016					December 31, 2015
Dollars in Millions	Balance Sheet Location	Notional		Fair Value			Notional		Fair Value
Derivatives designated as hedging instruments:
Interest rate swap contracts	Other assets	$	1,250	$	8		$	1,100	$	31
Interest rate swap contracts	Pension and other liabilities	—		—			650		(1		)
Forward starting interest rate swap contracts	Other assets	—		—			500		15
Forward starting interest rate swap contracts	Accrued liabilities	750		(102		)	—		—
Forward starting interest rate swap contracts	Pension and other liabilities	—		—			250		(7		)
Foreign currency forward contracts	Prepaid expenses and other	415		18			1,016		50
Foreign currency forward contracts	Accrued liabilities	748		(40		)	342		(5		)
Derivatives not designated as hedging instruments:
Foreign currency forward contracts	Prepaid expenses and other	188		2			—		—
Foreign currency forward contracts	Accrued liabilities	360		(2		)	445		(5		)

Schedule of Fair Value and Other Adjustments to Long Term Debt [Table Text Block]

Long-term debt and the current portion of long-term debt includes:

Dollars in Millions	September 30, 2016			December 31, 2015
Principal Value	$	6,367		$	6,339
Adjustments to Principal Value:
Fair value of interest rate swap contracts	8			30
Unamortized basis adjustment from swap terminations	294			272
Unamortized bond discounts and issuance costs	(84		)	(91		)
Total	$	6,585		$	6,550
Current portion of long-term debt	$	749		$	—
Long-term debt	$	5,836		$	6,550

Schedule of Note Issuances [Table Text Block]

	2015
Amounts in Millions	Euro			U.S. dollars
Principal Value:
1.000% Euro Notes due 2025	€	575		$	643
1.750% Euro Notes due 2035	575			643
Total	€	1,150		$	1,286
Proceeds net of discount and deferred loan issuance costs	€	1,133		$	1,268
Forward starting interest rate swap contracts terminated:
Notional amount	€	500		$	559
Unrealized loss	(16		)	(18		)

Debt Instrument Redemption [Table Text Block]

Dollars in Millions	2015
Principal amount	$	1,624
Carrying value	1,795
Debt redemption price	1,957
Notional amount of interest rate swap contracts terminated	735
Interest rate swap contract termination payments	11
Loss on debt redemption(a)	180

(a) Including acceleration of debt issuance costs, loss on interest rate lock contract and other related fees.