Fair Value Measurements (Tables)

3 Months Ended

Mar. 30, 2012

Fair Value Disclosures [Abstract]

Schedule of fair value of investment assets

The following is a summary of the fair value of the Company's investment assets:

	March 2012								December 2011
(Dollars in Millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Certificates of Deposit	$	—	$	100	$	—	$	100	$	—	$	477	$	—	$	477
Corporate Bonds	—		112		—		112		—		98		—		98
U.S. Treasury Obligations	—		43		—		43		—		53		—		53
Auction Rate Securities	—		—		15		15		—		—		15		15
Total investments at fair value	$	—	$	255	$	15	$	270	$	—	$	628	$	15	$	643

Schedule of investment maturities

These investments have the following maturities:

(Dollars in millions)	March 30, 2012		December 30, 2011
Less than 1 year	$	139	$	523
1 - 2 years	42		32
2 - 5 years	74		73
Greater than 5 years	15		15
Total	$	270	$	643

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)	March 30, 2012		December 30, 2011
Long-term Debt Including Current Maturities:
Fair Value	$	10,412	$	10,708
Carrying Value	$	9,125	$	9,241