Special Charges (Summary Of Activity Related To Special Charge Restructuring Accrual) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			12 Months Ended
	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Dec. 31, 2011	Sep. 29, 2012
2011 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning	$ 23	$ 32	$ 42	$ 72
Special charges	6	4	9	102	162
Non-cash charges used		(1)		(17)
Cash payments	(6)	(12)	(19)	(115)
Foreign exchange rate impact				0
Balance at ending	23	23	32	42	72
2011 Restructuring Plan [Member] | Employee Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning	9	14	25	54
Special charges, severance and benefit costs	2		2	38
Non-cash charges used		0		0
Cash payments	(1)	(5)	(13)	(68)
Foreign exchange rate impact				1
Balance at ending	10	9	14	25
2011 Restructuring Plan [Member] | Inventory Charges [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning	0	0	0	0
Non-cash charges used		0		(13)
Cash payments	0	0	0	0
Foreign exchange rate impact				0
Balance at ending	0	0	0	0
2011 Restructuring Plan [Member] | Fixed Asset Charges [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning	0	0		0
Non-cash charges used		(1)		0
Cash payments	0	0		0
Foreign exchange rate impact				0
Balance at ending	0	0		0
2011 Restructuring Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning	14	18	17	18
Restructuring reserve period expense				51
Non-cash charges used		0		(4)
Cash payments	(5)	(7)	(6)	(47)
Foreign exchange rate impact				(1)
Balance at ending	13	14	18	17
2011 Restructuring Plan [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Special charges				44
2011 Restructuring Plan [Member] | Cost of Sales [Member] | Employee Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, severance and benefit costs				11
2011 Restructuring Plan [Member] | Cost of Sales [Member] | Inventory Charges [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, inventory obsolescence charges				13
2011 Restructuring Plan [Member] | Cost of Sales [Member] | Fixed Asset Charges [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, fixed asset impairment charges				0
2011 Restructuring Plan [Member] | Cost of Sales [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve period expense				20
2011 Restructuring Plan [Member] | Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Special charges	6	4	9	58
2011 Restructuring Plan [Member] | Operating Expense [Member] | Employee Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, severance and benefit costs	2	0	2	27
2011 Restructuring Plan [Member] | Operating Expense [Member] | Inventory Charges [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, inventory obsolescence charges	0	0	0	0
2011 Restructuring Plan [Member] | Operating Expense [Member] | Fixed Asset Charges [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, fixed asset impairment charges	0	1	0	0
2011 Restructuring Plan [Member] | Operating Expense [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve period expense	4	3	7	31
2012 Business Realignment Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning	51	44	66	0
Special charges	13	39	34	185
Non-cash charges used	(2)	(7)	(20)	(61)
Cash payments	(22)	(26)	(35)	(59)
Foreign exchange rate impact	0	1	(1)	1
Balance at ending	40	51	44	66
2012 Business Realignment Restructuring Plan [Member] | Employee Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning	38	35	58	0
Special charges, severance and benefit costs	4	19	10	109
Non-cash charges used	0	0	0	0
Cash payments	(15)	(17)	(32)	(52)
Foreign exchange rate impact	0	1	(1)	1
Balance at ending	27	38	35	58
2012 Business Realignment Restructuring Plan [Member] | Inventory Charges [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning	0	0	0	0
Non-cash charges used	(2)	(1)	(18)	(17)
Cash payments	0	0	0	0
Foreign exchange rate impact	0	0	0	0
Balance at ending	0	0	0	0
2012 Business Realignment Restructuring Plan [Member] | Fixed Asset Charges [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning	0	0	0	0
Non-cash charges used	0	(2)	(2)	(41)
Cash payments	0	0	0	0
Foreign exchange rate impact	0	0	0	0
Balance at ending	0	0	0	0
2012 Business Realignment Restructuring Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning	13	9	8	0
Restructuring reserve period expense	7	17	4	18
Non-cash charges used	0	(4)	0	(3)
Cash payments	(7)	(9)	(3)	(7)
Foreign exchange rate impact	0	0	0	0
Balance at ending	13	13	9	8
2012 Business Realignment Restructuring Plan [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Special charges	2	1	18	24
2012 Business Realignment Restructuring Plan [Member] | Cost of Sales [Member] | Employee Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, severance and benefit costs	0	0	0	5
2012 Business Realignment Restructuring Plan [Member] | Cost of Sales [Member] | Inventory Charges [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, inventory obsolescence charges	2	1	18	17
2012 Business Realignment Restructuring Plan [Member] | Cost of Sales [Member] | Fixed Asset Charges [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, fixed asset impairment charges	0	0	0	0
2012 Business Realignment Restructuring Plan [Member] | Cost of Sales [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve period expense	0	0	0	2
2012 Business Realignment Restructuring Plan [Member] | Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Special charges	11	38	16	161
2012 Business Realignment Restructuring Plan [Member] | Operating Expense [Member] | Employee Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, severance and benefit costs	4	19	10	104
2012 Business Realignment Restructuring Plan [Member] | Operating Expense [Member] | Inventory Charges [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, inventory obsolescence charges	0	0	0	0
2012 Business Realignment Restructuring Plan [Member] | Operating Expense [Member] | Fixed Asset Charges [Member]
Restructuring Cost and Reserve [Line Items]
Special charges, fixed asset impairment charges	0	2	2	41
2012 Business Realignment Restructuring Plan [Member] | Operating Expense [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve period expense	$ 7	$ 17	$ 4	$ 16