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v3.8.0.1

Consolidated Statement of Income - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Consolidated Statement of Income |  |  |
Net sales | $ 31,657 | $ 30,109 | $ 30,274
Operating expenses |  |  |
Cost of sales | 16,055 | 15,118 | 15,351
Selling, general and administrative expenses | 6,626 | 6,311 | 6,233
Research, development and related expenses | 1,870 | 1,764 | 1,757
Gain on sale of businesses | (586) | (111) | (47)
Total operating expenses | 23,965 | 23,082 | 23,294
Operating income | 7,692 | 7,027 | 6,980
Interest expense and income |  |  |
Other expense (income), net | 144 | (26) | 157
Income before income taxes | 7,548 | 7,053 | 6,823
Provision for income taxes | 2,679 | 1,995 | 1,982
Net income including noncontrolling interest | 4,869 | 5,058 | 4,841
Less: Net income attributable to noncontrolling interest | 11 | 8 | 8
Net income attributable to 3M | $ 4,858 | $ 5,050 | $ 4,833
Weighted average 3M common shares outstanding - basic (in shares) | 597.5 | 604.7 | 625.6
Earnings per share attributable to 3M common shareholders - basic (in dollars per share) | $ 8.13 | $ 8.35 | $ 7.72
Weighted average 3M common shares outstanding - diluted (in shares) | 612.7 | 618.7 | 637.2
Earnings per share attributable to 3M common shareholders - diluted (in dollars per share) | $ 7.93 | $ 8.16 | $ 7.58
Cash dividends paid per 3M common share (in dollars per share) | $ 4.70 | $ 4.44 | $ 4.10

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- Definition The aggregate costs incurred during an accounting period to research and develop new products/technologies when the technological feasibility has not been reached, and related expenses, which primarily include technical support provided by 3M to customers who are using existing 3M products; internally developed patent costs, which include costs and fees incurred to prepare, file, secure and maintain patents; and amortization of acquired patents. + References No definition available. + Details
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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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