Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), net of tax, Beginning Balance	$ 6	$ (29)	$ 46	$ 16
Other comprehensive income (loss) before reclassifications	51	48	14	8
Amounts reclassified to net earnings from accumulated other comprehensive income	(2)	(3)	(5)	(8)
Other comprehensive income (loss)	49	45	9	0
Accumulated other comprehensive income (loss), net of tax, Ending Balance	55	16	55	16
Unrealized gain (loss) on available-for-sale securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), net of tax, Beginning Balance	18	19	20	18
Other comprehensive income (loss) before reclassifications	0	4	1	10
Amounts reclassified to net earnings from accumulated other comprehensive income	(2)	(3)	(5)	(8)
Other comprehensive income (loss)	(2)	1	(4)	2
Accumulated other comprehensive income (loss), net of tax, Ending Balance	16	20	16	20
Unrealized gain (loss) on derivative instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), net of tax, Beginning Balance	3		0
Other comprehensive income (loss) before reclassifications	0		3
Amounts reclassified to net earnings from accumulated other comprehensive income	0		0
Other comprehensive income (loss)	0		3
Accumulated other comprehensive income (loss), net of tax, Ending Balance	3		3
Foreign Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), net of tax, Beginning Balance	(15)	(48)	26	(2)
Other comprehensive income (loss) before reclassifications	51	44	10	(2)
Amounts reclassified to net earnings from accumulated other comprehensive income	0	0	0	0
Other comprehensive income (loss)	51	44	10	(2)
Accumulated other comprehensive income (loss), net of tax, Ending Balance	$ 36	$ (4)	$ 36	$ (4)