				Gross		Gross
				Unrealized		Unrealized
				Gain in		Loss in		Gain/(Loss)
		Amortized		Accumulated		Accumulated		in		Fair		Fair Value
Dollars in Millions		Cost		OCI		OCI		Income		Value		Level 1		Level 2		Level 3
September 30, 2012
Marketable Securities
	Certificates of Deposit	$	121	$	-	$	-	$	-	$	121	$	-	$	121	$	-
	Corporate Debt Securities		4,337		94		-		-		4,431		-		4,431		-
	Commercial Paper		240		-		-		-		240		-		240		-
	U.S. Treasury Securities		150		1		-		-		151		151		-		-
	FDIC Insured Debt Securities		50		-		-		-		50		-		50		-
	Equity Funds		51		-		-		5		56		-		56		-
	Fixed Income Funds		46		-		-		1		47		-		47		-
	ARS		9		1		-		-		10		-		-		10
	FRS		21		-		(2)		-		19		-		-		19
	Total Marketable Securities	$	5,025	$	96	$	(2)	$	6	$	5,125	$	151	$	4,945	$	29

December 31, 2011
Marketable Securities
	Certificates of Deposit	$	1,051	$	-	$	-	$	-	$	1,051	$	-	$	1,051	$	-
	Corporate Debt Securities		2,908		60		(3)		-		2,965		-		2,965		-
	Commercial Paper		1,035		-		-		-		1,035		-		1,035		-
	U.S. Treasury Securities		400		2		-		-		402		402		-		-
	FDIC Insured Debt Securities		302		1		-		-		303		-		303		-
	ARS		80		12		-		-		92		-		-		92
	FRS		21		-		(3)		-		18		-		-		18
	Total Marketable Securities	$	5,797	$	75	$	(6)	$	-	$	5,866	$	402	$	5,354	$	110

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

+ References+ Details

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

+ References+ Details

- Definition

Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

+ References+ Details