Special Charges (Narrative) (Details) (USD $) | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended |
In Millions, unless otherwise specified | Mar. 31, 2012 | Jun. 29, 2013 | Mar. 31, 2012 | Jun. 30, 2012 | Sep. 29, 2012 | Jun. 29, 2013 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Dec. 31, 2011 | Sep. 28, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Dec. 29, 2012 | Dec. 29, 2012 | Dec. 29, 2012 | Dec. 29, 2012 | Dec. 29, 2012 | Dec. 29, 2012 | Dec. 29, 2012 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Dec. 29, 2012 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Jun. 29, 2013 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 |
| Licensing Agreements [Member] | Licensing Agreements [Member] | Intangible Asset Charges [Member] | Intangible Asset Charges [Member] | Intangible Asset Charges [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2011 Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] | 2012 Business Realignment Restructuring Plan [Member] |
| | | CATD [Member] | IESD [Member] | Customer Relationships [Member] | | | | | | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Contract Termination [Member] | Facility Closing [Member] | Other Costs [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | | | | | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Contract Termination [Member] | Other Costs [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Cost of Sales [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] | Operating Expense [Member] |
| | | | | | | | | | | | | | | cardiac rhythm management business [Member] | cardiac rhythm management business [Member] | cardiac rhythm management business [Member] | cardiac rhythm management business [Member] | | cardiac rhythm management business [Member] | | | Employee Termination Costs [Member] | Inventory Charges [Member] | Fixed Asset Charges [Member] | Other Restructuring [Member] | | | | | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Fixed Asset Charges [Member] | Fixed Asset Charges [Member] | Fixed Asset Charges [Member] | Fixed Asset Charges [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | | | | | | | | | | | | | | | | | | | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Fixed Asset Charges [Member] | Fixed Asset Charges [Member] | Fixed Asset Charges [Member] | Fixed Asset Charges [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | | | | | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Employee Termination Costs [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Inventory Charges [Member] | Fixed Asset Charges [Member] | Fixed Asset Charges [Member] | Fixed Asset Charges [Member] | Fixed Asset Charges [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] | Other Restructuring [Member] |
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Purchased In-Process Research And Development (IPR&D) And Special Charges [Line Items] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Special charges | ' | ' | ' | ' | ' | ' | $6 | $4 | $9 | $102 | $162 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $44 | ' | ' | ' | ' | $6 | $4 | $9 | $58 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $13 | $39 | $34 | $185 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $2 | $1 | $18 | $24 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $11 | $38 | $16 | $161 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Severance and benefit costs | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 2 | 2 | 38 | ' | ' | ' | ' | ' | ' | ' | ' | ' | 11 | ' | ' | ' | ' | ' | ' | ' | 2 | 0 | 2 | 27 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 4 | 19 | 10 | 109 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 0 | 5 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 4 | 19 | 10 | 104 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Special charges, inventory obsolescence charges | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 13 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 2 | 1 | 18 | 17 | 2 | 18 | 17 | 1 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' |
Special charges, fixed asset impairment charges | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 1 | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 0 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 2 | 2 | 41 | ' | ' | ' | ' |
Restructuring reserve period expense | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 51 | 4 | 3 | 7 | 37 | 8 | ' | 6 | ' | ' | ' | ' | 20 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 4 | 3 | 7 | 31 | ' | ' | ' | ' | ' | ' | ' | ' | 7 | 17 | 4 | 18 | 7 | 11 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0 | 0 | 0 | 2 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 7 | 17 | 4 | 16 |
Restructuring and Related Cost, Number of Positions Eliminated, Inception to Date Percent | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 5.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Idle facility costs | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 13 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Legal settlement charge | ' | 22 | 28 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Impairment of Intangible Assets, Finite-lived | ' | ' | ' | 5 | 23 | 13 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Purchased technology and patents | $12 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |