Special Charges - Summary Of Activity Related To Special Charge Restructuring Accrual (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Apr. 04, 2015	Mar. 29, 2014	Jan. 03, 2015
Manufacturing and Supply Chain Optimization Plan
Restructuring Cost and Reserve
Balance at beginning	$ 20	$ 0	$ 0
Special charges	8		32
Non-cash charges used	(1)		(5)
Cash payments	(10)		(7)
Restructuring Reserve, Translation Adjustment	(1)
Balance at ending	16		20
Manufacturing and Supply Chain Optimization Plan | Employee Termination Costs
Restructuring Cost and Reserve
Balance at beginning	14	0	0
Non-cash charges used	0		0
Cash payments	(5)		(5)
Restructuring Reserve, Translation Adjustment	0
Balance at ending	13		14
Manufacturing and Supply Chain Optimization Plan | Inventory Valuation Reserve
Restructuring Cost and Reserve
Balance at beginning	0	0	0
Non-cash charges used	(1)		0
Cash payments	0		0
Restructuring Reserve, Translation Adjustment	0
Balance at ending	0		0
Manufacturing and Supply Chain Optimization Plan | Fixed Asset Write-offs
Restructuring Cost and Reserve
Balance at beginning	0	0	0
Non-cash charges used	0		(5)
Cash payments	0		0
Restructuring Reserve, Translation Adjustment	0
Balance at ending	0		0
Manufacturing and Supply Chain Optimization Plan | Other Restructuring
Restructuring Cost and Reserve
Balance at beginning	6	0	0
Non-cash charges used	0		0
Cash payments	(5)		(2)
Restructuring Reserve, Translation Adjustment	(1)
Balance at ending	3		6
Manufacturing and Supply Chain Optimization Plan | Cost of Sales
Restructuring Cost and Reserve
Special charges	2		7
Manufacturing and Supply Chain Optimization Plan | Cost of Sales | Employee Termination Costs
Restructuring Cost and Reserve
Special charges, severance and benefit costs	1		7
Manufacturing and Supply Chain Optimization Plan | Cost of Sales | Inventory Valuation Reserve
Restructuring Cost and Reserve
Special charges, inventory obsolescence charges	1		0
Manufacturing and Supply Chain Optimization Plan | Cost of Sales | Fixed Asset Write-offs
Restructuring Cost and Reserve
Special charges, fixed asset impairment charges	0		0
Manufacturing and Supply Chain Optimization Plan | Cost of Sales | Other Restructuring
Restructuring Cost and Reserve
Restructuring reserve period expense	0		0
Manufacturing and Supply Chain Optimization Plan | Operating Expense
Restructuring Cost and Reserve
Special charges	6		25
Manufacturing and Supply Chain Optimization Plan | Operating Expense | Employee Termination Costs
Restructuring Cost and Reserve
Special charges, severance and benefit costs	3		12
Manufacturing and Supply Chain Optimization Plan | Operating Expense | Inventory Valuation Reserve
Restructuring Cost and Reserve
Special charges, inventory obsolescence charges	0		0
Manufacturing and Supply Chain Optimization Plan | Operating Expense | Fixed Asset Write-offs
Restructuring Cost and Reserve
Special charges, fixed asset impairment charges	0		5
Manufacturing and Supply Chain Optimization Plan | Operating Expense | Other Restructuring
Restructuring Cost and Reserve
Restructuring reserve period expense	3		8
2012 Business Realignment Restructuring Plan
Restructuring Cost and Reserve
Balance at beginning	38	87	87
Special charges	5		108
Non-cash charges used	(2)		(28)
Cash payments	(6)		(125)
Restructuring Reserve, Translation Adjustment	(2)
Balance at ending	33		38
2012 Business Realignment Restructuring Plan | Employee Termination Costs
Restructuring Cost and Reserve
Balance at beginning	26	54	54
Non-cash charges used	0		0
Cash payments	(6)		(69)
Restructuring Reserve, Translation Adjustment	(2)
Balance at ending	19		26
2012 Business Realignment Restructuring Plan | Inventory Valuation Reserve
Restructuring Cost and Reserve
Balance at beginning	0	0	0
Non-cash charges used	(1)		(8)
Cash payments	0		0
Restructuring Reserve, Translation Adjustment	0
Balance at ending	0		0
2012 Business Realignment Restructuring Plan | Fixed Asset Write-offs
Restructuring Cost and Reserve
Balance at beginning	0	0	0
Special charges, fixed asset impairment charges	1	1
Non-cash charges used	(1)		(20)
Cash payments	0		0
Restructuring Reserve, Translation Adjustment	0
Balance at ending	0		0
2012 Business Realignment Restructuring Plan | Other Restructuring
Restructuring Cost and Reserve
Balance at beginning	12	33	33
Non-cash charges used	0		0
Cash payments	0		(56)
Restructuring Reserve, Translation Adjustment	0
Balance at ending	14		12
2012 Business Realignment Restructuring Plan | Cost of Sales
Restructuring Cost and Reserve
Special charges	2		30
2012 Business Realignment Restructuring Plan | Cost of Sales | Employee Termination Costs
Restructuring Cost and Reserve
Special charges, severance and benefit costs	1		8
2012 Business Realignment Restructuring Plan | Cost of Sales | Inventory Valuation Reserve
Restructuring Cost and Reserve
Special charges, inventory obsolescence charges	1		8
2012 Business Realignment Restructuring Plan | Cost of Sales | Fixed Asset Write-offs
Restructuring Cost and Reserve
Special charges, fixed asset impairment charges	0		13
2012 Business Realignment Restructuring Plan | Cost of Sales | Other Restructuring
Restructuring Cost and Reserve
Restructuring reserve period expense	0		1
2012 Business Realignment Restructuring Plan | Operating Expense
Restructuring Cost and Reserve
Special charges	3		78
2012 Business Realignment Restructuring Plan | Operating Expense | Employee Termination Costs
Restructuring Cost and Reserve
Special charges, severance and benefit costs	0		36
2012 Business Realignment Restructuring Plan | Operating Expense | Inventory Valuation Reserve
Restructuring Cost and Reserve
Special charges, inventory obsolescence charges	0		0
2012 Business Realignment Restructuring Plan | Operating Expense | Fixed Asset Write-offs
Restructuring Cost and Reserve
Special charges, fixed asset impairment charges	1		7
2012 Business Realignment Restructuring Plan | Operating Expense | Other Restructuring
Restructuring Cost and Reserve
Restructuring reserve period expense	$ 2		$ 35