Comprehensive Income (Loss) (Components Of Comprehensive Income (Loss)) (Details) (USD $) In Millions	3 Months Ended	9 Months Ended
Oct. 01, 2011	Sep. 25, 2010	Oct. 01, 2011	Sep. 25, 2010
Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ 97	$ (118)	$ 668	$ 96
Net change in unrealized losses on available-for-sale securities, net of taxes of $0		(4)		(9)
Net change in unrealized gains (losses) on cash flow hedges, net of taxes of $0	(8)	10	(9)	9
Cumulative translation adjustments, net of taxes of $0		(1)		(142)
Other comprehensive income (loss)	(8)	5	(9)	(142)
Total comprehensive income (loss)	89	(113)	659	(46)
Net change in unrealized losses on available-for-sale securities, taxes	0	0	0	0
Net change in unrealized gains (losses) on cash flow hedges, taxes	0	0	0	0
Cumulative translation adjustments, taxes	$ 0	$ 0	$ 0	$ 0

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity, net of tax.

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