Available-for-Sale Investments (Tables)

12 Months Ended

Dec. 31, 2011

Available-for-Sale Investments (Tables) [Abstract]

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

Available-for-sale investments as of December 31, 2011 and December 25, 2010 were as follows:

	2011								2010
			Gross		Gross						Gross		Gross
	Adjusted		Unrealized		Unrealized		Fair		Adjusted		Unrealized		Unrealized		Fair
(In Millions)	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
Government bonds	$	4,131	$	—	$	(4)	$	4,127	$	10,075	$	9	$	(5)	$	10,079
Commercial paper		3,820		—		(3)		3,817		5,312		—		—		5,312
Bank deposits		1,046		1		(1)		1,046		1,550		1		—		1,551
Corporate bonds		892		14		(9)		897		2,250		9		(4)		2,255
Marketable equity securities		189		385		(12)		562		380		629		(1)		1,008
Money market fund deposits		546		—		—		546		34		—		—		34
Asset-backed securities		48		—		(12)		36		76		—		(9)		67
Total available-for-sale
investments	$	10,672	$	400	$	(41)	$	11,031	$	19,677	$	648	$	(19)	$	20,306

Investments Classified by Contractual Maturity Date [Table Text Block]

The amortized cost and fair value of available-for-sale debt investments as of December 31, 2011, by contractual maturity, were as follows:

(In Millions)	Cost		Fair Value
Due in 1 year or less	$	9,033	$	9,034
Due in 1–2 years		626		626
Due in 2–5 years		226		224
Due after 5 years		4		3
Instruments not due at a single maturity date		594		582
Total	$	10,483	$	10,469