Investments of Insurance Subsidiaries (Tables)

9 Months Ended

Sep. 30, 2014

Investments, Debt and Equity Securities [Abstract]

Schedule of Investments

A summary of our insurance subsidiaries’ investments at September 30, 2014 and December 31, 2013 follows (dollars in millions):

	September 30, 2014
	Amortized Cost		Unrealized Amounts					Fair Value
			Gains		Losses
Debt securities:
States and municipalities	$	449	$	19	$	(1	)	$	467
Money market funds		37		—		—			37
		486		19		(1	)		504
Equity securities		1		2		—			3
	$	487	$	21	$	(1	)		507
Amounts classified as current assets									(66	)
Investment carrying value								$	441

	December 31, 2013
	Amortized Cost		Unrealized Amounts					Fair Value
			Gains		Losses
Debt securities:
States and municipalities	$	404	$	11	$	(3	)	$	412
Money market funds		94		—		—			94
		498		11		(3	)		506
Equity securities		2		2		—			4
	$	500	$	13	$	(3	)		510
Amounts classified as current assets									(62	)
Investment carrying value								$	448

Schedule of Maturities of Investments

Scheduled maturities of investments in debt securities at September 30, 2014 were as follows (dollars in millions):

	Amortized Cost		Fair Value
Due in one year or less	$	59	$	60
Due after one year through five years		207		212
Due after five years through ten years		97		104
Due after ten years		123		128
	$	486	$	504