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Segments of Business and Geographic Areas (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 27, 2015 | Sep. 28, 2014 | Sep. 27, 2015 | Sep. 28, 2014
Sales by segment of business |  |  |  |
Sales | $ 17,102 | $ 18,467 | $ 52,263 | $ 56,077
Percentage Change In Sales By Segment Of Business | (7.40%) |  | (6.80%) |
United States |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 8,791 | 8,842 | $ 26,394 | 26,178
Percentage Change In Sales By Segment Of Business | (0.60%) |  | 0.80% |
International |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 8,311 | 9,625 | $ 25,869 | 29,899
Percentage Change In Sales By Segment Of Business | (13.70%) |  | (13.50%) |
Consumer |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 3,314 | 3,589 | $ 10,187 | 10,890
Percentage Change In Sales By Segment Of Business | (7.70%) |  | (6.50%) |
Consumer | United States |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 1,277 | 1,173 | $ 3,991 | 3,802
Percentage Change In Sales By Segment Of Business | 8.90% |  | 5.00% |
Consumer | International |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 2,037 | 2,416 | $ 6,196 | 7,088
Percentage Change In Sales By Segment Of Business | (15.70%) |  | (12.60%) |
Pharmaceutical |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 7,694 | 8,307 | $ 23,366 | 24,314
Percentage Change In Sales By Segment Of Business | (7.40%) |  | (3.90%) |
Pharmaceutical | United States |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 4,509 | 4,723 | $ 13,423 | 13,076
Percentage Change In Sales By Segment Of Business | (4.50%) |  | 2.70% |
Pharmaceutical | International |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 3,185 | 3,584 | $ 9,943 | 11,238
Percentage Change In Sales By Segment Of Business | (11.10%) |  | (11.50%) |
Medical Devices |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 6,094 | 6,571 | $ 18,710 | 20,873
Percentage Change In Sales By Segment Of Business | (7.30%) |  | (10.40%) |
Medical Devices | United States |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 3,005 | 2,946 | $ 8,980 | 9,300
Percentage Change In Sales By Segment Of Business | 2.00% |  | (3.40%) |
Medical Devices | International |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 3,089 | $ 3,625 | $ 9,730 | $ 11,573
Percentage Change In Sales By Segment Of Business | (14.80%) |  | (15.90%) |

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