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CONDENSED CONSOLIDATED STATEMENT OF INCOME - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Income Statement [Abstract] |  |  |  |
Sales | $ 10,325 | $ 10,536 | $ 29,689 | $ 29,692
Costs, Expenses and Other |  |  |  |
Materials and production | 3,274 | 3,409 | 9,369 | 10,559
Marketing and administrative | 2,401 | 2,393 | 7,251 | 7,169
Research and development | 4,383 | 1,664 | 7,927 | 5,475
Restructuring costs | 153 | 161 | 470 | 386
Other (income) expense, net | (86) | 22 | 30 | 88
Total Costs, Expenses and Other | 10,125 | 7,649 | 25,047 | 23,677
Income Before Taxes | 200 | 2,887 | 4,642 | 6,015
Taxes on Income | 251 | 699 | 1,186 | 1,487
Net (Loss) Income | (51) | 2,188 | 3,456 | 4,528
Less: Net Income Attributable to Noncontrolling Interests | 5 | 4 | 16 | 13
Net (Loss) Income Attributable to Merck & Co., Inc. | $ (56) | $ 2,184 | $ 3,440 | $ 4,515
Basic (Loss) Earnings per Common Share Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share) | $ (0.02) | $ 0.79 | $ 1.26 | $ 1.63
(Loss) Earnings per Common Share Assuming Dilution Attributable to Merck & Co., Inc. Common Shareholders (in dollars per share) | (0.02) | 0.78 | 1.25 | 1.62
Dividends Declared per Common Share (in dollars per share) | $ 0.47 | $ 0.46 | $ 1.41 | $ 1.38

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