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Business Segments | 3 Months Ended
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Mar. 31, 2018
Business Segments |
Business Segments | NOTE 16. Business Segments 3M’s businesses are organized, managed and internally grouped into segments based on differences in markets, products, technologies and services. 3M manages its operations in five business segments: Industrial; Safety and Graphics; Health Care; Electronics and Energy; and Consumer. 3M’s five business segments bring together common or related 3M technologies, enhancing the development of innovative products and services and providing for efficient sharing of business resources. Transactions among reportable segments are recorded at cost. 3M is an integrated enterprise characterized by substantial intersegment cooperation, cost allocations and inventory transfers. Therefore, management does not represent that these segments, if operated independently, would report the operating income information shown. The difference between operating income and pre-tax income relates to interest income and interest expense, which are not allocated to business segments, along with non-service cost related pension and postretirement net periodic benefit costs. As part of 3M’s continuing effort to improve the alignment of its businesses around markets and customers, the Company made the following changes, effective in the first quarter of 2018, and other revisions impacting business segment reporting: Consolidation of customer account activity within international countries – expanding dual credit reporting
| · |  | The Company consolidated its customer account activity in each country into centralized sales districts for certain countries that make up approximately 70 percent of 3M’s 2017 international net sales. Expansion of these initiatives, which previously had been deployed only in the U.S., reduces the complexity for customers when interacting with multiple 3M businesses. 3M business segment reporting measures include dual credit to business segments for certain sales and related operating income. This dual credit is based on which business segment provides customer account activity with respect to a particular product sold in a specific country. The expansion of alignment of customer accounts within additional countries increased the attribution of dual credit across 3M’s business segments. Additionally, certain sales and operating income results for electronic bonding product lines that were previously equally divided between the Electronics and Energy business segment and the Industrial business segment are now reported similarly to dual credit.
Centralization of manufacturing and supply technology platforms
| · |  | Certain shared film manufacturing and supply technology platform resources formerly reflected within the Electronics and Energy business segment were combined with other shared and centrally managed material resource centers of expertise within Corporate and Unallocated.
In addition, as discussed in Note 1, 3M adopted ASU N0. 2017-07, Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost, effective January 1, 2018 on a retrospective basis. As a result, operating income for 3M’s business segments has been revised to reflect non-service cost related pension and postretirement net periodic benefit costs within other expense (income), net. The financial information presented herein reflects the impact of the preceding changes for all periods presented. Business Segment Information
|  | Three months ended |
|  | March 31, |
(Millions) |  | 2018 |  | 2017 |
Net Sales |  |  |  |  |  |  |
Industrial |  | $ | 3,144 |  | $ | 2,936 |
Safety and Graphics |  |  | 1,783 |  |  | 1,550 |
Health Care |  |  | 1,536 |  |  | 1,435 |
Electronics and Energy |  |  | 1,350 |  |  | 1,291 |
Consumer |  |  | 1,127 |  |  | 1,073 |
Corporate and Unallocated |  |  | — |  |  | 1 |
Elimination of Dual Credit |  |  | (662) |  |  | (601) |
Total Company |  | $ | 8,278 |  | $ | 7,685 |
Operating Income |  |  |  |  |  |  |
Industrial |  | $ | 719 |  | $ | 670 |
Safety and Graphics |  |  | 483 |  |  | 399 |
Health Care |  |  | 460 |  |  | 429 |
Electronics and Energy |  |  | 337 |  |  | 256 |
Consumer |  |  | 218 |  |  | 223 |
Corporate and Unallocated |  |  | (1,046) |  |  | (93) |
Elimination of Dual Credit |  |  | (164) |  |  | (142) |
Total Company |  | $ | 1,007 |  | $ | 1,742 |
Corporate and unallocated operating income includes a variety of miscellaneous items, such as corporate investment gains and losses, certain derivative gains and losses, certain insurance-related gains and losses, certain litigation and environmental expenses, corporate restructuring charges and certain under- or over-absorbed costs (e.g. pension, stock-based compensation) that the Company may choose not to allocate directly to its business segments. Because this category includes a variety of miscellaneous items, it is subject to fluctuation on a quarterly and annual basis. 3M business segment reporting measures include dual credit to business segments for certain sales and related operating income. Management evaluates each of its five business segments based on net sales and operating income performance, including dual credit reporting to further incentivize sales growth. As a result, 3M reflects additional (“dual”) credit to another business segment when the customer account activity (“sales district”) with respect to the particular product sold to the external customer is provided by a different business segment. This additional dual credit is largely reflected at the division level. For example, certain respirators are primarily sold by the Personal Safety Division within the Safety and Graphics business segment; however, a sales district within the Industrial business segment provides the contact for sales of the product to particular customers. In this example, the non-primary selling segment (Industrial) would also receive credit for the associated net sales initiated through its sales district and the related approximate operating income. The assigned operating income related to dual credit activity may differ from operating income that would result from actual costs associated with such sales. The offset to the dual credit business segment reporting is reflected as a reconciling item entitled “Elimination of Dual Credit,” such that sales and operating income in total are unchanged.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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