Special Charges (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			12 Months Ended	3 Months Ended	9 Months Ended				12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended				9 Months Ended	12 Months Ended	3 Months Ended		3 Months Ended							9 Months Ended	12 Months Ended	3 Months Ended			12 Months Ended	3 Months Ended			12 Months Ended	3 Months Ended			9 Months Ended	12 Months Ended	3 Months Ended			12 Months Ended	3 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011	Mar. 31, 2012	Dec. 31, 2011 Intangible Asset Charges [Member]	Jun. 30, 2012 Intangible Asset Charges [Member] CV/AF [Member]	Sep. 29, 2012 Intangible Asset Charges [Member] CV/AF [Member]	Sep. 29, 2012 Intangible Asset Charges [Member] NMD [Member]	Sep. 29, 2012 Other Restructuring [Member]	Sep. 29, 2012 2011 Restructuring Plan [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member]	Sep. 29, 2012 2011 Restructuring Plan [Member] Other Restructuring [Member]	Sep. 29, 2012 2011 Restructuring Plan [Member] Other Restructuring [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member] Other Restructuring [Member]	Sep. 29, 2012 2011 Restructuring Plan [Member] Other Restructuring [Member] CRM [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member] Other Restructuring [Member] CRM [Member]	Sep. 29, 2012 2011 Restructuring Plan [Member] Contract Termination [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member] Contract Termination [Member]	Sep. 29, 2012 2011 Restructuring Plan [Member] Facility Closing [Member] CRM [Member]	Sep. 29, 2012 2011 Restructuring Plan [Member] Facility Closing [Member] CRM [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member] Facility Closing [Member] CRM [Member]	Sep. 29, 2012 2011 Restructuring Plan [Member] Employee Termination Costs [Member]	Sep. 29, 2012 2011 Restructuring Plan [Member] Employee Termination Costs [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member] Employee Termination Costs [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member] Employee Termination Costs [Member] CRM [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member] Fixed Asset Charges [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member] Fixed Asset Charges [Member] CRM [Member]	Sep. 29, 2012 2011 Restructuring Plan [Member] Other Costs [Member]	Dec. 31, 2011 2011 Restructuring Plan [Member] Other Costs [Member]	Sep. 29, 2012 2012 Business Realignment Restructuring Plan [Member]	Dec. 29, 2012 2012 Business Realignment Restructuring Plan [Member]	Sep. 29, 2012 2012 Business Realignment Restructuring Plan [Member] Employee Termination Costs [Member]	Sep. 29, 2012 2012 Business Realignment Restructuring Plan [Member] Fixed Asset Charges [Member]	Sep. 29, 2012 2012 Business Realignment Restructuring Plan [Member] minimum range for estimated costs [Member]	Sep. 29, 2012 2012 Business Realignment Restructuring Plan [Member] maximumrangeforestimatedcosts [Member]	Sep. 29, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member]	Jun. 30, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member]	Mar. 31, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member]	Sep. 29, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member]	Dec. 31, 2011 Cost of Sales [Member] 2011 Restructuring Plan [Member]	Sep. 29, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Other Restructuring [Member]	Jun. 30, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Other Restructuring [Member]	Mar. 31, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Other Restructuring [Member]	Dec. 31, 2011 Cost of Sales [Member] 2011 Restructuring Plan [Member] Other Restructuring [Member]	Sep. 29, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Employee Termination Costs [Member]	Jun. 30, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Employee Termination Costs [Member]	Mar. 31, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Employee Termination Costs [Member]	Dec. 31, 2011 Cost of Sales [Member] 2011 Restructuring Plan [Member] Employee Termination Costs [Member]	Sep. 29, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Inventory Charges [Member]	Jun. 30, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Inventory Charges [Member]	Mar. 31, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Inventory Charges [Member]	Sep. 29, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Inventory Charges [Member]	Dec. 31, 2011 Cost of Sales [Member] 2011 Restructuring Plan [Member] Inventory Charges [Member]	Sep. 29, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Fixed Asset Charges [Member]	Jun. 30, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Fixed Asset Charges [Member]	Mar. 31, 2012 Cost of Sales [Member] 2011 Restructuring Plan [Member] Fixed Asset Charges [Member]	Dec. 31, 2011 Cost of Sales [Member] 2011 Restructuring Plan [Member] Fixed Asset Charges [Member]	Sep. 29, 2012 Cost of Sales [Member] 2012 Business Realignment Restructuring Plan [Member]	Sep. 29, 2012 Cost of Sales [Member] 2012 Business Realignment Restructuring Plan [Member] Other Restructuring [Member]	Sep. 29, 2012 Cost of Sales [Member] 2012 Business Realignment Restructuring Plan [Member] Employee Termination Costs [Member]	Sep. 29, 2012 Cost of Sales [Member] 2012 Business Realignment Restructuring Plan [Member] Inventory Charges [Member]	Sep. 29, 2012 Cost of Sales [Member] 2012 Business Realignment Restructuring Plan [Member] Fixed Asset Charges [Member]
Purchased In-Process Research And Development (IPR&D) And Special Charges [Line Items]
Research and Development Asset Acquired Other than Through Business Combination, Written-off	$ 0	$ 0	$ 0	$ 4
Special charges											95	163																			74						4	15	23	42	48																		3
Legal settlement charge										28
Purchased technology and patents					12
Severance and benefit costs																							7	36	82								52													0	5	5	9												1
Other restructuring type items																																		22
Special charges, inventory obsolescence charges																																																		0	3	9	12	20								2
Impairment charges																											26	12																											0	0	0	9					0
Intangible asset impairment charges						52	5	5	23
Restructuring reserve period expense													13	47	35	33		8	7										6	11												4	7	9	10															0
Severance and benefits costs, number of employees impacted											100											650				550
Pension settlement charges																	13
Idle facility costs																				4	11	4
Restructuring and Related Cost, Number of Positions Eliminated, Inception to Date Percent																																5.00%
Restructuring and Related Cost, Expected Cost																																			$ 150	$ 200