Fair Value Measurements (Tables)

3 Months Ended

Mar. 27, 2015

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 $357 million and $453 million as of March 27, 2015 and December 26, 2014, respectively.

	March 27, 2015						December 26, 2014
(Dollars in Millions)	Level 2		Level 3		Total		Level 2		Level 3		Total
Certificates of Deposit and Commercial Paper	$	250	$	—	$	250	$	250	$	—	$	250
Corporate Bonds	72		—		72		141		—		141
Government Securities	32		—		32		51		—		51
Auction Rate Securities	—		4		4		—		11		11
Total investments at fair value	$	354	$	4	$	358	$	442	$	11	$	453

Schedule of Investment Maturities

These investments have the following maturities:

(Dollars in millions)	March 27, 2015		December 26, 2014
Less than 1 year	$	257	$	292
1 - 2 years	12		45
2 - 5 years	80		100
Greater than 5 years	9		16
Total	$	358	$	453

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 27, 2015		December 26, 2014
Long-term Debt (Including Current Maturities):
Fair Value	$	11,379	$	11,042
Carrying Value	9,741		9,742