Special Charges - Summary Of Activity Related To Special Charge Restructuring Accrual (Details) - USD ($) $ in Millions	3 Months Ended				12 Months Ended
	Jul. 04, 2015	Apr. 04, 2015	Jun. 28, 2014	Mar. 29, 2014	Jan. 03, 2015
Manufacturing and Supply Chain Optimization Plan
Restructuring Reserve [Roll Forward]
Balance at beginning	$ 16	$ 20		$ 0	$ 0
Special charges, total	27	8			32
Non-cash charges used		(1)			(5)
Cash payments	(23)	(10)			(7)
Foreign exchange rate impact		(1)
Balance at ending	20	16			20
Manufacturing and Supply Chain Optimization Plan | Employee Termination Costs
Restructuring Reserve [Roll Forward]
Balance at beginning	13	14		0	0
Non-cash charges used		0			0
Cash payments	(12)	(5)			(5)
Foreign exchange rate impact		0
Balance at ending	12	13			14
Manufacturing and Supply Chain Optimization Plan | Inventory Charges
Restructuring Reserve [Roll Forward]
Balance at beginning	0	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
Manufacturing and Supply Chain Optimization Plan | Fixed Asset Charges
Restructuring Reserve [Roll Forward]
Balance at beginning	0	0		0	0
Non-cash charges used		0			(5)
Cash payments	0	0			0
Foreign exchange rate impact		0
Balance at ending	0	0			0
Manufacturing and Supply Chain Optimization Plan | Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Balance at beginning	3	6		0	0
Non-cash charges used		0			0
Cash payments	(11)	(5)			(2)
Foreign exchange rate impact		(1)
Balance at ending	8	3			6
Manufacturing and Supply Chain Optimization Plan | Cost of sales
Restructuring Reserve [Roll Forward]
Special charges, total	6	2			7
Manufacturing and Supply Chain Optimization Plan | Cost of sales | Employee Termination Costs
Restructuring Reserve [Roll Forward]
Special charges, employee terminations costs	1	1			7
Manufacturing and Supply Chain Optimization Plan | Cost of sales | Inventory Charges
Restructuring Reserve [Roll Forward]
Special charges, inventory charges	0	1			0
Manufacturing and Supply Chain Optimization Plan | Cost of sales | Fixed Asset Charges
Restructuring Reserve [Roll Forward]
Special charges, fixed asset charges	0	0			0
Manufacturing and Supply Chain Optimization Plan | Cost of sales | Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Special charges, other restructuring costs	5	0			0
Manufacturing and Supply Chain Optimization Plan | Operating Expense
Restructuring Reserve [Roll Forward]
Special charges, total	21	6			25
Manufacturing and Supply Chain Optimization Plan | Operating Expense | Employee Termination Costs
Restructuring Reserve [Roll Forward]
Special charges, employee terminations costs	10	3			12
Manufacturing and Supply Chain Optimization Plan | Operating Expense | Inventory Charges
Restructuring Reserve [Roll Forward]
Special charges, inventory charges	0	0			0
Manufacturing and Supply Chain Optimization Plan | Operating Expense | Fixed Asset Charges
Restructuring Reserve [Roll Forward]
Special charges, fixed asset charges	0	0			5
Manufacturing and Supply Chain Optimization Plan | Operating Expense | Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Special charges, other restructuring costs	11	3			8
2012 Business Realignment Restructuring Plan
Restructuring Reserve [Roll Forward]
Balance at beginning	33	38		87	87
Special charges, total	9	5			108
Non-cash charges used	(3)	(2)			(28)
Cash payments	(12)	(6)			(125)
Foreign exchange rate impact		(2)
Balance at ending	27	33			38
2012 Business Realignment Restructuring Plan | Employee Termination Costs
Restructuring Reserve [Roll Forward]
Balance at beginning	19	26		54	54
Non-cash charges used	0	0			0
Cash payments	(8)	(6)			(69)
Foreign exchange rate impact		(2)
Balance at ending	15	19			26
2012 Business Realignment Restructuring Plan | Inventory Charges
Restructuring Reserve [Roll Forward]
Balance at beginning	0	0		0	0
Non-cash charges used	(2)	(1)			(8)
Cash payments	0	0			0
Foreign exchange rate impact		0
Balance at ending	0	0			0
2012 Business Realignment Restructuring Plan | Fixed Asset Charges
Restructuring Reserve [Roll Forward]
Balance at beginning	0	0		0	0
Special charges, fixed asset charges		1	$ 14	1
Non-cash charges used	(1)	(1)			(20)
Cash payments	0	0			0
Foreign exchange rate impact		0
Balance at ending	0	0			0
2012 Business Realignment Restructuring Plan | Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Balance at beginning	14	12		$ 33	33
Non-cash charges used	0	0			0
Cash payments	(4)	0			(56)
Foreign exchange rate impact		0
Balance at ending	12	14			12
2012 Business Realignment Restructuring Plan | Cost of sales
Restructuring Reserve [Roll Forward]
Special charges, total	3	2			30
2012 Business Realignment Restructuring Plan | Cost of sales | Employee Termination Costs
Restructuring Reserve [Roll Forward]
Special charges, employee terminations costs	1	1			8
2012 Business Realignment Restructuring Plan | Cost of sales | Inventory Charges
Restructuring Reserve [Roll Forward]
Special charges, inventory charges	2	1			8
2012 Business Realignment Restructuring Plan | Cost of sales | Fixed Asset Charges
Restructuring Reserve [Roll Forward]
Special charges, fixed asset charges	0	0			13
2012 Business Realignment Restructuring Plan | Cost of sales | Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Special charges, other restructuring costs	0	0			1
2012 Business Realignment Restructuring Plan | Operating Expense
Restructuring Reserve [Roll Forward]
Special charges, total	6	3			78
2012 Business Realignment Restructuring Plan | Operating Expense | Employee Termination Costs
Restructuring Reserve [Roll Forward]
Special charges, employee terminations costs	3	0			36
2012 Business Realignment Restructuring Plan | Operating Expense | Inventory Charges
Restructuring Reserve [Roll Forward]
Special charges, inventory charges	0	0			0
2012 Business Realignment Restructuring Plan | Operating Expense | Fixed Asset Charges
Restructuring Reserve [Roll Forward]
Special charges, fixed asset charges	1	1			7
2012 Business Realignment Restructuring Plan | Operating Expense | Other Restructuring Costs
Restructuring Reserve [Roll Forward]
Special charges, other restructuring costs	$ 2	$ 2			$ 35