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Segments of Business and Geographic Areas - Sales By Segment Of Business (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 02, 2016 | Sep. 27, 2015 | Jun. 28, 2015 | Oct. 02, 2016 | Sep. 27, 2015
Segment Reporting Information [Line Items] |  |  |  |  |
Gain (Loss) on Sale of Assets and Asset Impairment Charges |  |  |  | $ 276 | $ 1,274
Sales by segment of business |  |  |  |  |
Sales | $ 17,820 | $ 17,102 |  | $ 53,784 | 52,263
Percentage Change In Sales By Segment Of Business | 4.20% |  |  | 2.90% |
United States |  |  |  |  |
Sales by segment of business |  |  |  |  |
Sales | $ 9,381 | 8,791 |  | $ 28,274 | 26,394
Percentage Change In Sales By Segment Of Business | 6.70% |  |  | 7.10% |
International |  |  |  |  |
Sales by segment of business |  |  |  |  |
Sales | $ 8,439 | 8,311 |  | $ 25,510 | 25,869
Percentage Change In Sales By Segment Of Business | 1.50% |  |  | (1.40%) |
Consumer |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Gain (Loss) on Sale of Assets and Asset Impairment Charges |  | 229 |  |  | 229
Sales by segment of business |  |  |  |  |
Sales | $ 3,261 | 3,314 |  | $ 9,875 | 10,187
Percentage Change In Sales By Segment Of Business | (1.60%) |  |  | (3.10%) |
Consumer | United States |  |  |  |  |
Sales by segment of business |  |  |  |  |
Sales | $ 1,291 | 1,277 |  | $ 4,033 | 3,991
Percentage Change In Sales By Segment Of Business | 1.10% |  |  | 1.10% |
Consumer | International |  |  |  |  |
Sales by segment of business |  |  |  |  |
Sales | $ 1,970 | 2,037 |  | $ 5,842 | 6,196
Percentage Change In Sales By Segment Of Business | (3.30%) |  |  | (5.70%) |
Pharmaceutical |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Gain (Loss) on Sale of Assets and Asset Impairment Charges |  |  | $ 981 |  | 981
Sales by segment of business |  |  |  |  |
Sales | $ 8,400 | 7,694 |  | $ 25,232 | 23,366
Percentage Change In Sales By Segment Of Business | 9.20% |  |  | 8.00% |
Pharmaceutical | United States |  |  |  |  |
Sales by segment of business |  |  |  |  |
Sales | $ 5,042 | 4,509 |  | $ 15,123 | 13,423
Percentage Change In Sales By Segment Of Business | 11.80% |  |  | 12.70% |
Pharmaceutical | International |  |  |  |  |
Sales by segment of business |  |  |  |  |
Sales | $ 3,358 | 3,185 |  | $ 10,109 | 9,943
Percentage Change In Sales By Segment Of Business | 5.40% |  |  | 1.70% |
Medical Devices |  |  |  |  |
Sales by segment of business |  |  |  |  |
Sales | $ 6,159 | 6,094 |  | $ 18,677 | 18,710
Percentage Change In Sales By Segment Of Business | 1.10% |  |  | (0.20%) |
Medical Devices | United States |  |  |  |  |
Sales by segment of business |  |  |  |  |
Sales | $ 3,048 | 3,005 |  | $ 9,118 | 8,980
Percentage Change In Sales By Segment Of Business | 1.40% |  |  | 1.50% |
Medical Devices | International |  |  |  |  |
Sales by segment of business |  |  |  |  |
Sales | $ 3,111 | $ 3,089 |  | $ 9,559 | $ 9,730
Percentage Change In Sales By Segment Of Business | 0.70% |  |  | (1.80%) |

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