FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2015

Financial Instruments [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:

	December 31, 2015										December 31, 2014
Dollars in Millions	Level 1		Level 2			Level 3		Total			Level 1		Level 2			Level 3			Total
Cash and cash equivalents - Money market and other securities	$	—	$	1,825		$	—	$	1,825		$	—	$	5,051		$	—		$	5,051
Marketable securities:
Certificates of deposit	—		804			—		804			—		896			—			896
Corporate debt securities	—		5,638			—		5,638			—		5,259			—			5,259
Equity funds	—		92			—		92			—		94			—			94
Fixed income funds	—		11			—		11			—		11			—			11
Auction Rate Securities (ARS)	—		—			—		—			—		—			12			12
Derivative assets:
Interest rate swap contracts	—		31			—		31			—		46			—			46
Forward starting interest rate swap contracts	—		15			—		15			—		—			—			—
Foreign currency forward contracts	—		50			—		50			—		118			—			118
Equity investments	60		—			—		60			36		—			—			36
Derivative liabilities:
Interest rate swap contracts	—		(1		)	—		(1		)	—		(3		)	—			(3		)
Forward starting interest rate swap contracts	—		(7		)	—		(7		)	—		—			—			—
Foreign currency forward contracts	—		(10		)	—		(10		)	—		—			—			—
Written option liabilities	—		—			—		—			—		—			(198		)	(198		)
Contingent consideration liability	—		—			—		—			—		—			(8		)	(8		)

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table summarizes the activity of the financial assets utilizing Level 3 fair value measurements:

	2015									2014
Dollars in Millions	ARS			Written option liabilities			Contingent consideration liability			ARS		Written option liabilities			Contingent consideration liability
Fair value at January 1	$	12		$	(198	)	$	(8	)	$	12	$	(162	)	$	(8	)
Realized losses	(2		)	—			—			—		—			—
Sales	(7		)	—			—			—		—			—
Settlements and other	—			75			—			—		—			—
Changes in fair value	(3		)	123			8			—		(36		)	—
Fair value at December 31	$	—		$	—		$	—		$	12	$	(198	)	$	(8	)

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
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
December 31, 2014
Certificates of deposit	$	896	$	—	$	—		$	896
Corporate debt securities	5,237		30		(8		)	5,259
ARS	9		3		—			12
Equity investments	14		22		—			36
Total	$	6,156	$	55	$	(8	)	$	6,203

Schedule of Derivatives and Fair Value [Table Text Block]

The following summarizes the fair value of outstanding derivatives:

		December 31, 2015					December 31, 2014
Dollars in Millions	Balance Sheet Location	Notional		Fair Value			Notional		Fair Value
Derivatives designated as hedging instruments:
Interest rate swap contracts	Other assets	$	1,100	$	31		$	847	$	46
Interest rate swap contracts	Other liabilities	650		(1		)	1,050		(3		)
Forward starting interest rate swap contracts	Other assets	500		15			—		—
Forward starting interest rate swap contracts	Other liabilities	250		(7		)	—		—
Foreign currency forward contracts	Prepaid expenses and other	1,016		50			1,323		106
Foreign currency forward contracts	Other assets	—		—			100		12
Foreign currency forward contracts	Accrued expenses	787		(10		)	—		—

Schedule of Long-term Debt Instruments [Table Text Block]

Long-term debt includes:

	December 31,
Dollars in Millions	2015			2014
Principal Value:
4.375% Euro Notes due 2016	$	—		$	611
0.875% Notes due 2017	750			750
1.750% Notes due 2019	500			500
4.625% Euro Notes due 2021	—			611
2.000% Notes due 2022	750			750
7.150% Debentures due 2023	302			304
3.250% Notes due 2023	500			500
1.000% Euro Notes due 2025	630			—
6.800% Debentures due 2026	256			330
1.750% Euro Notes due 2035	630			—
5.875% Notes due 2036	404			625
6.125% Notes due 2038	278			480
3.250% Notes due 2042	500			500
4.500% Notes due 2044	500			500
6.880% Debentures due 2097	260			260
0% - 5.75% Other - maturing 2017 - 2030	79			83
Subtotal	6,339			6,804
Adjustments to Principal Value:
Fair value of interest rate swap contracts	30			43
Unamortized basis adjustment from swap terminations	272			454
Unamortized bond discounts and issuance costs(a)	(91		)	(59		)
Total	$	6,550		$	7,242

(a) Excludes unamortized bond issuance costs of $34 million that were not reclassified at December 31, 2014.

Schedule of Note Issuances [Table Text Block]

The following table summarizes the note issuances:

	2015						2013
Amounts in Millions	Euro			U.S. dollars			U.S. dollars
Principal Value:
1.750% Notes due 2019	€	—		$	—		$	500
3.250% Notes due 2023	—			—			500
1.000% Euro Notes due 2025	575			643			—
1.750% Euro Notes due 2035	575			643			—
4.500% Notes due 2044	—			—			500
Total	€	1,150		$	1,286		$	1,500
Proceeds net of discount and deferred loan issuance costs	€	1,133		$	1,268		$	1,477
Forward starting interest rate swap contracts terminated:
Notional amount	€	500		$	559		$	305
Unrealized gain/(loss)	(16		)	(18		)	20

Schedule of Debt Repurchases [Table Text Block]

There were no debt redemptions in 2013. Debt redemption activity for 2015 and 2014 was as follows:

Dollars in Millions	2015		2014
Principal amount	$	1,624	$	582
Carrying value	1,795		633
Debt redemption price	1,957		676
Notional amount of interest rate swap contracts terminated	735		500
Interest rate swap termination payments	11		4
Loss on debt redemption(a)	180		45