INVESTMENT SECURITIES (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Investment Securities Classified as Current and Long-Term

Investment securities classified as current and long-term were as follows at December 31, 2013 and 2012, respectively:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(in millions)
December 31, 2013
U.S. Treasury and other U.S. government corporations and agencies:
U.S. Treasury and agency obligations	$	584	$	6	$	(6	)	$	584
Mortgage-backed securities		1,834		34		(48	)		1,820
Tax-exempt municipal securities		2,911		93		(33	)		2,971
Mortgage-backed securities:
Residential		22		0		0			22
Commercial		662		20		(9	)		673
Asset-backed securities		63		1		(1	)		63
Corporate debt securities		3,474		223		(30	)		3,667
Total debt securities	$	9,550	$	377	$	(127	)	$	9,800
December 31, 2012
U.S. Treasury and other U.S. government corporations and agencies:
U.S. Treasury and agency obligations	$	602	$	16	$	0		$	618
Mortgage-backed securities		1,519		85		(1	)		1,603
Tax-exempt municipal securities		2,890		185		(4	)		3,071
Mortgage-backed securities:
Residential		33		2		(1	)		34
Commercial		615		44		0			659
Asset-backed securities		66		2		0			68
Corporate debt securities		3,394		402		(2	)		3,794
Total debt securities	$	9,119	$	736	$	(8	)	$	9,847

Schedule of Gross Unrealized Losses and Fair Value of Securities

Gross unrealized losses and fair values aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position were as follows at December 31, 2013 and 2012, respectively:

	Less than 12 months					12 months or more					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
	(in millions)
December 31, 2013
U.S. Treasury and other U.S. government corporations and agencies:
U.S. Treasury and agency obligations	$	231	$	(6	)	$	5	$	0		$	236	$	(6	)
Mortgage-backed securities		1,076		(47	)		21		(1	)		1,097		(48	)
Tax-exempt municipal securities		693		(28	)		57		(5	)		750		(33	)
Mortgage-backed securities:
Residential		6		0			1		0			7		0
Commercial		270		(8	)		40		(1	)		310		(9	)
Asset-backed securities		35		(1	)		0		0			35		(1	)
Corporate debt securities		594		(28	)		17		(2	)		611		(30	)
Total debt securities	$	2,905	$	(118	)	$	141	$	(9	)	$	3,046	$	(127	)
December 31, 2012
U.S. Treasury and other U.S. government corporations and agencies:
U.S. Treasury and agency obligations	$	56	$	0		$	2	$	0		$	58	$	0
Mortgage-backed securities		38		0			25		(1	)		63		(1	)
Tax-exempt municipal securities		233		(3	)		27		(1	)		260		(4	)
Mortgage-backed securities:
Residential		0		0			4		(1	)		4		(1	)
Commercial		94		0			0		0			94		0
Asset-backed securities		2		0			4		0			6		0
Corporate debt securities		104		(2	)		4		0			108		(2	)
Total debt securities	$	527	$	(5	)	$	66	$	(3	)	$	593	$	(8	)

Schedule of Realized Gains (Losses) Related to Investment Securities Included Within Investment Income

The detail of realized gains (losses) related to investment securities and included within investment income was as follows for the years ended December 31, 2013, 2012, and 2011:

	2013			2012			2011
	(in millions)
Gross realized gains	$	33		$	38		$	33
Gross realized losses		(11	)		(5	)		(22	)
Net realized capital gains	$	22		$	33		$	11

Schedule of Contractual Maturity of Debt Securities Available for Sale

The contractual maturities of debt securities available for sale at December 31, 2013, regardless of their balance sheet classification, are shown below. Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Amortized Cost		Fair Value
	(in millions)
Due within one year	$	395	$	398
Due after one year through five years		2,011		2,096
Due after five years through ten years		2,759		2,870
Due after ten years		1,804		1,858
Mortgage and asset-backed securities		2,581		2,578
Total debt securities	$	9,550	$	9,800