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Segments of Business and Geographic Areas - Sales By Segment Of Business (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 02, 2017 | Jul. 03, 2016 | Jul. 02, 2017 | Jul. 03, 2016
Segment Reporting Information [Line Items] |  |  |  |
Gain (Loss) on Sale of Assets and Asset Impairment Charges |  |  | $ 53 | $ 185
Sales by segment of business |  |  |  |
Sales | $ 18,839 | $ 18,482 | $ 36,605 | 35,964
Percentage Change In Sales By Segment Of Business | 1.90% |  | 1.80% |
United States |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 9,726 | 9,572 | $ 19,104 | 18,893
Percentage Change In Sales By Segment Of Business | 1.60% |  | 1.10% |
International |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 9,113 | 8,910 | $ 17,501 | 17,071
Percentage Change In Sales By Segment Of Business | 2.30% |  | 2.50% |
Consumer |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Gain (Loss) on Sale of Assets and Asset Impairment Charges |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 3,478 | 3,419 | $ 6,706 | 6,614
Percentage Change In Sales By Segment Of Business | 1.70% |  | 1.40% |
Consumer | United States |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 1,487 | 1,384 | $ 2,901 | 2,742
Percentage Change In Sales By Segment Of Business | 7.40% |  | 5.80% |
Consumer | International |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 1,991 | 2,035 | $ 3,805 | 3,872
Percentage Change In Sales By Segment Of Business | (2.20%) |  | (1.70%) |
Pharmaceutical |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 8,635 | 8,654 | $ 16,880 | 16,832
Percentage Change In Sales By Segment Of Business | (0.20%) |  | 0.30% |
Pharmaceutical | United States |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 5,010 | 5,144 | $ 9,882 | 10,081
Percentage Change In Sales By Segment Of Business | (2.60%) |  | (2.00%) |
Pharmaceutical | International |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 3,625 | 3,510 | $ 6,998 | 6,751
Percentage Change In Sales By Segment Of Business | 3.30% |  | 3.70% |
Medical Devices |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 6,726 | 6,409 | $ 13,019 | 12,518
Percentage Change In Sales By Segment Of Business | 4.90% |  | 4.00% |
Medical Devices | United States |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 3,229 | 3,044 | $ 6,321 | 6,070
Percentage Change In Sales By Segment Of Business | 6.10% |  | 4.10% |
Medical Devices | International |  |  |  |
Sales by segment of business |  |  |  |
Sales | $ 3,497 | $ 3,365 | $ 6,698 | $ 6,448
Percentage Change In Sales By Segment Of Business | 3.90% |  | 3.90% |

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