Fair Value Measurements (Tables)

9 Months Ended

Sep. 27, 2013

Fair Value Disclosures [Abstract]

Schedule of fair value of investment assets

The Company's investment assets are carried at fair value on the consolidated balance sheets as summarized in the table below. Additionally, the amortized cost basis of these investments was $315 million and $742 million as of September 27, 2013 and December 28, 2012, respectively.

	September 27, 2013								December 28, 2012
(Dollars in Millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Certificates of Deposit and Commercial Paper	$	—	$	119	$	—	$	119	$	—	$	555	$	—	$	555
Corporate Bonds	—		132		—		132		—		122		—		122
Government Securities	—		50		—		50		—		51		—		51
Auction Rate Securities	—		—		15		15		—		—		15		15
Total investments at fair value	$	—	$	301	$	15	$	316	$	—	$	728	$	15	$	743

Certain prior year amounts have been reclassified to conform to the current year presentation.

Schedule of investment maturities

These investments have the following maturities:

(Dollars in millions)	September 27, 2013		December 28, 2012
Less than 1 year	$	128	$	587
1 - 2 years	30		61
2 - 5 years	140		76
Greater than 5 years	18		19
Total	$	316	$	743

Schedule of fair value and carrying value of long-term debt

The fair value and carrying value of the Company's long-term debt is as follows:

(Dollars in millions)	September 27, 2013		December 28, 2012
Long-term Debt (Including Current Maturities):
Fair Value	$	9,884	$	11,562
Carrying Value	$	9,051	$	9,832