Note 9: Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2013

Notes to Condensed Consolidated Financial Statements [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Text Block]

	March 31, 2013				December 31, 2012
(Dollars in millions)	Derivatives designated as hedging instruments		Derivatives not designated as hedging instruments		Derivatives designated as hedging instruments		Derivatives not designated as hedging instruments
Balance Sheet Asset Locations:
Other assets, current	$	15	$	45	$	48	$	47
Other assets	7		4		30		3
	22		49		78		50
Total Asset Derivative Contracts			$	71			$	128
Balance Sheet Liability Locations:
Accrued liabilities	$	38	$	35	$	10	$	136
Other long-term liabilities	16		1		1		2
	54		36		11		138
Total Liability Derivative Contracts			$	90			$	149

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Text Block]

	Quarter Ended March 31,
(Dollars in millions)	2013			2012
(Loss) gain recorded in Accumulated other comprehensive loss	$	(97	)	$	92
(Loss) gain reclassified from Accumulated other comprehensive loss into Product sales (effective portion)	$	(8	)	$	11

Schedule of Foreign Exchange Contracts Not Designated as Hedges, Gain (Loss) In Statement of Financial Performance [TextBlock]

	Quarter Ended March 31,
(Dollars in millions)	2013		2012
Gain recognized in Other income, net	$	32	$	38

Fair Value, Measurement Inputs, Disclosure [Text Block]

(Dollars in millions)	Total Carrying Value at December 31, 2012			Quoted price in active markets (Level 1)		Significant other observable inputs (Level 2)			Unobservable inputs (Level 3)
Recurring fair value measurements:
Available-for-sale securities	$	781		$	781	$	—		$	—
Derivative assets	128			—		128			—
Derivative liabilities	(149		)	—		(149		)	—
Nonrecurring fair value measurements:
Equity method investment	432			—		432			—
Business dispositions	84			—		84			—

(Dollars in millions)	Total Carrying Value at March 31, 2013			Quoted price in active markets (Level 1)		Significant other observable inputs (Level 2)			Unobservable inputs (Level 3)
Recurring fair value measurements:
Available-for-sale securities	$	864		$	864	$	—		$	—
Derivative assets	71			—		71			—
Derivative liabilities	(90		)	—		(90		)	—
Nonrecurring fair value measurements:
Business dispositions	96			—		96			—

Fair Value, by Balance Sheet Grouping [Text Block]

	March 31, 2013						December 31, 2012
(Dollars in millions)	Carrying Amount			Fair Value			Carrying Amount			Fair Value
Long-term receivables	$	499		$	464		$	499		$	464
Customer financing notes receivable	368			364			375			371
Short-term borrowings	(171		)	(171		)	(503		)	(503		)
Long-term debt (excluding capitalized leases)	(22,603		)	(24,039		)	(22,665		)	(25,606		)
Long-term liabilities	(182		)	(167		)	(182		)	(167		)

(Dollars in millions)	Total Fair Value at March 31, 2013			Quoted price in active markets (Level 1)		Significant other observable inputs (Level 2)			Unobservable inputs (Level 3)
Long-term receivables	$	464		$	—	$	464		$	—
Customer financing notes receivable	364			—		364			—
Short-term borrowings	(171		)	—		—			(171		)
Long-term debt (excluding capitalized leases)	(24,039		)	—		(23,980		)	(59		)
Long-term liabilities	(167		)	—		(167		)	—