10-Q

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2020

Commission file number: 1-3285

3M COMPANY

(Exact name of registrant as specified in its charter)

Delaware	41-0417775
(State or other jurisdiction of incorporation)	(IRS Employer Identification No.)
3M Center, St. Paul, Minnesota	55144-1000
(Address of Principal Executive Offices)	(Zip Code)
(Registrant’s Telephone Number, Including Area Code) (651) 733-1110 Not Applicable
(Former Name or Former Address, if Changed Since Last Report) Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, Par Value $.01 Per Share	MMM	New York Stock Exchange, Inc.
	MMM	Chicago Stock Exchange, Inc.
0.375% Notes due 2022	MMM22A	New York Stock Exchange, Inc.
0.950% Notes due 2023	MMM23	New York Stock Exchange, Inc.
1.500% Notes due 2026	MMM26	New York Stock Exchange, Inc.
1.750% Notes due 2030	MMM30	New York Stock Exchange, Inc.
1.500% Notes due 2031	MMM31	New York Stock Exchange, Inc.

Note: The common stock of the Registrant is also traded on the SWX Swiss Exchange.

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒  No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒  No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.:

Large accelerated filer ☒	Accelerated filer ☐
Non-accelerated filer ☐	Smaller reporting company ☐
	Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for

complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐  No ☒

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

Class	Outstanding at September 30, 2020
Common Stock, $0.01 par value per share	576,821,878 shares

3M COMPANY

Form 10-Q for the Quarterly Period Ended September 30, 2020

	TABLE OF CONTENTS	BEGINNING PAGE
PART I	FINANCIAL INFORMATION
ITEM 1.	Financial Statements
	Index to Financial Statements:
	Consolidated Statement of Income	3
	Consolidated Statement of Comprehensive Income	4
	Consolidated Balance Sheet	5
	Consolidated Statement of Cash Flows	6
	Notes to Consolidated Financial Statements
	Note 1. Significant Accounting Policies	7
	Note 2. Revenue	10
	Note 3. Acquisitions and Divestitures	13
	Note 4. Goodwill and Intangible Assets	14
	Note 5. Restructuring Actions	16
	Note 6. Supplemental Income Statement Information	18
	Note 7. Supplemental Equity and Comprehensive Income Information	19
	Note 8. Income Taxes	23
	Note 9. Marketable Securities and Held-to-Maturity Debt Securities	24
	Note 10. Long-Term Debt and Short-Term Borrowings	24
	Note 11. Pension and Postretirement Benefit Plans	25
	Note 12. Derivatives	27
	Note 13. Fair Value Measurements	34
	Note 14. Commitments and Contingencies	36
	Note 15. Stock-Based Compensation	52
	Note 16. Business Segments	55
ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations
	Index to Management’s Discussion and Analysis:
	Overview	58
	Results of Operations	67
	Performance by Business Segment	71
	Financial Condition and Liquidity	77
	Cautionary Note Concerning Factors That May Affect Future Results	83
ITEM 3.	Quantitative and Qualitative Disclosures About Market Risk	83
ITEM 4.	Controls and Procedures	84
PART II	OTHER INFORMATION
ITEM 1.	Legal Proceedings	85
ITEM 1A.	Risk Factors	85
ITEM 2.	Unregistered Sales of Equity Securities and Use of Proceeds	89
ITEM 3.	Defaults Upon Senior Securities	90
ITEM 4.	Mine Safety Disclosures	90
ITEM 5.	Other Information	90
ITEM 6.	Exhibits	90

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3M COMPANY

FORM 10-Q

For the Quarterly Period Ended September 30, 2020

PART I. Financial Information

Item 1. Financial Statements.

3M Company and Subsidiaries

Consolidated Statement of Income

(Unaudited)

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions, except per share amounts)	2020		2019		2020		2019
Net sales	$	8,350	$	7,991	$	23,601	$	24,025
Operating expenses
Cost of sales		4,303		4,188		12,217		12,811
Selling, general and administrative expenses		1,677		1,455		5,039		5,089
Research, development and related expenses		461		443		1,422		1,390
Gain on sale of businesses		—		(106)		(389)		(114)
Total operating expenses		6,441		5,980		18,289		19,176
Operating income		1,909		2,011		5,312		4,849
Other expense (income), net		104		45		311		349
Income before income taxes		1,805		1,966		5,001		4,500
Provision for income taxes		387		378		1,002		888
Income of consolidated group		1,418		1,588		3,999		3,612
Income (loss) from unconsolidated subsidiaries, net of taxes		(1)		—		(1)		—
Net income including noncontrolling interest		1,417		1,588		3,998		3,612
Less: Net income (loss) attributable to noncontrolling interest		4		5		3		11
Net income attributable to 3M	$	1,413	$	1,583	$	3,995	$	3,601
Weighted average 3M common shares outstanding — basic		577.8		576.5		577.2		577.2
Earnings per share attributable to 3M common shareholders — basic	$	2.45	$	2.75	$	6.92	$	6.24
Weighted average 3M common shares outstanding — diluted		582.4		583.0		581.6		585.9
Earnings per share attributable to 3M common shareholders — diluted	$	2.43	$	2.72	$	6.87	$	6.15

The accompanying Notes to Consolidated Financial Statements are an integral part of this statement.

3

3M Company and Subsidiaries

Consolidated Statement of Comprehensive Income

(Unaudited)

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Net income including noncontrolling interest	$	1,417	$	1,588	$	3,998	$	3,612
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		271		(202)		(67)		(2)
Defined benefit pension and postretirement plans adjustment		127		76		304		356
Cash flow hedging instruments		(71)		8		(60)		(24)
Total other comprehensive income (loss), net of tax		327		(118)		177		330
Comprehensive income (loss) including noncontrolling interest		1,744		1,470		4,175		3,942
Comprehensive (income) loss attributable to noncontrolling interest		(5)		(3)		(1)		(10)
Comprehensive income (loss) attributable to 3M	$	1,739	$	1,467	$	4,174	$	3,932

The accompanying Notes to Consolidated Financial Statements are an integral part of this statement.

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3M Company and Subsidiaries

Consolidated Balance Sheet

(Unaudited)

	September 30,		December 31,
(Dollars in millions, except per share amount)	2020		2019
Assets
Current assets
Cash and cash equivalents	$	4,121	$	2,353
Marketable securities — current		440		98
Accounts receivable — net of allowances of $228 and $161		4,623		4,791
Inventories
Finished goods		1,859		2,003
Work in process		1,224		1,194
Raw materials and supplies		901		937
Total inventories		3,984		4,134
Prepaids		516		704
Other current assets		426		891
Total current assets		14,110		12,971
Property, plant and equipment		26,452		26,124
Less: Accumulated depreciation		(17,236)		(16,791)
Property, plant and equipment — net		9,216		9,333
Operating lease right of use assets		844		858
Goodwill		13,535		13,444
Intangible assets — net		5,926		6,379
Other assets		1,759		1,674
Total assets	$	45,390	$	44,659
Liabilities
Current liabilities
Short-term borrowings and current portion of long-term debt	$	1,169	$	2,795
Accounts payable		2,208		2,228
Accrued payroll		721		702
Accrued income taxes		220		194
Operating lease liabilities — current		252		247
Other current liabilities		2,840		3,056
Total current liabilities		7,410		9,222
Long-term debt		18,429		17,518
Pension and postretirement benefits		3,679		3,911
Operating lease liabilities		605		607
Other liabilities		3,324		3,275
Total liabilities	$	33,447	$	34,533
Commitments and contingencies (Note 14)
Equity
3M Company shareholders’ equity:
Common stock par value, $.01 par value; 944,033,056 shares issued	$	9	$	9
Shares outstanding - September 30, 2020: 576,821,878
Shares outstanding - December 31, 2019: 575,184,835
Additional paid-in capital		6,116		5,907
Retained earnings		43,285		42,135
Treasury stock, at cost:		(29,570)		(29,849)
Shares at September 30, 2020: 367,211,178
Shares at December 31, 2019: 368,848,221
Accumulated other comprehensive income (loss)		(7,960)		(8,139)
Total 3M Company shareholders’ equity		11,880		10,063
Noncontrolling interest		63		63
Total equity	$	11,943	$	10,126
Total liabilities and equity	$	45,390	$	44,659

The accompanying Notes to Consolidated Financial Statements are an integral part of this statement.

5

3M Company and Subsidiaries

Consolidated Statement of Cash Flows

(Unaudited)

	Nine months ended
	September 30,
(Millions)	2020		2019
Cash Flows from Operating Activities
Net income including noncontrolling interest	$	3,998	$	3,612
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities
Depreciation and amortization		1,413		1,130
Company pension and postretirement contributions		(122)		(129)
Company pension and postretirement expense		295		242
Stock-based compensation expense		216		230
Gain on sale of businesses		(389)		(111)
Deferred income taxes		(57)		(88)
Loss on deconsolidation of Venezuelan subsidiary		—		162
Changes in assets and liabilities
Accounts receivable		113		(14)
Inventories		43		255
Accounts payable		(48)		(222)
Accrued income taxes (current and long-term)		146		(53)
Other — net		(10)		(282)
Net cash provided by (used in) operating activities		5,598		4,732
Cash Flows from Investing Activities
Purchases of property, plant and equipment (PP&E)		(1,079)		(1,161)
Proceeds from sale of PP&E and other assets		29		91
Acquisitions, net of cash acquired		(25)		(704)
Purchases of marketable securities and investments		(1,069)		(917)
Proceeds from maturities and sale of marketable securities and investments		1,239		1,265
Proceeds from sale of businesses, net of cash sold		576		236
Other — net		8		45
Net cash provided by (used in) investing activities		(321)		(1,145)
Cash Flows from Financing Activities
Change in short-term debt — net		(138)		(466)
Repayment of debt (maturities greater than 90 days)		(2,477)		(871)
Proceeds from debt (maturities greater than 90 days)		1,745		6,116
Purchases of treasury stock		(366)		(1,243)
Proceeds from issuance of treasury stock pursuant to stock option and benefit plans		325		437
Dividends paid to shareholders		(2,540)		(2,488)
Other — net		(47)		(158)
Net cash provided by (used in) financing activities		(3,498)		1,327
Effect of exchange rate changes on cash and cash equivalents		(11)		(36)
Net increase (decrease) in cash and cash equivalents		1,768		4,878
Cash and cash equivalents at beginning of year		2,353		2,853
Cash and cash equivalents at end of period	$	4,121	$	7,731

The accompanying Notes to Consolidated Financial Statements are an integral part of this statement.

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3M Company and Subsidiaries

Notes to Consolidated Financial Statements

(Unaudited)

NOTE 1. Significant Accounting Policies

Basis of Presentation

The interim consolidated financial statements are unaudited but, in the opinion of management, reflect all adjustments necessary for a fair statement of the Company’s consolidated financial position, results of operations and cash flows for the periods presented. These adjustments consist of normal, recurring items. The results of operations for any interim period are not necessarily indicative of results for the full year. The interim consolidated financial statements and notes are presented as permitted by the requirements for Quarterly Reports on Form 10-Q. This Quarterly Report on Form 10-Q should be read in conjunction with the Company’s consolidated financial statements and notes included in its Annual Report on Form 10-K.

As described in Note 16, effective in the second quarter of 2020, the measure of segment operating performance used by 3M’s chief operating decision maker changed and, as a result, the Company’s disclosed measure of segment profit/loss has been updated. Also, effective in the first quarter of 2020, the Company changed its business segment reporting in its continuing effort to improve the alignment of businesses around markets and customers. Additionally, the Company consolidated the way it presents geographic area net sales by providing an aggregate Americas geographic region (combining former United States and Latin America and Canada areas). Information provided herein reflects the impact of these changes for all periods presented.

Use of estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. The Company considered the coronavirus (COVID-19) related impacts on its estimates, as appropriate, within its consolidated financial statements and there may be changes to those estimates in future periods. 3M believes that the accounting estimates are appropriate after giving consideration to the increased uncertainties surrounding the severity and duration of the COVID-19 pandemic. Such estimates and assumptions are subject to inherent uncertainties which may result in actual amounts differing from these estimates.

Changes to Significant Accounting Policies

The following significant accounting policies have been added or changed as applicable since the Company’s 2019 Annual Report on Form 10-K as a result of adoption of new accounting pronouncements as described in the “New Accounting Pronouncements” section.

Accounts receivable and allowances: Trade accounts receivable are recorded at the invoiced amount and do not bear interest. The Company maintains allowances for bad debts, cash discounts, and various other items. The allowances for bad debts and cash discounts are based on the best estimate of the amount of expected credit losses in existing accounts receivable and anticipated cash discounts. The Company determines the allowances based on historical write-off experience by industry and regional economic data, current expectations of future credit losses, and historical cash discounts. The Company reviews the allowances monthly. The allowances for bad debts as well as the provision for credit losses, write-off activity and recoveries for the periods presented are not material. The Company does not have any significant off-balance-sheet credit exposure related to its customers. The Company has long-term customer receivables that do not have significant credit risk, and the origination dates of which are typically not older than five years. These long-term receivables are subject to an allowance methodology similar to other receivables.

Marketable securities: Marketable securities include available-for-sale debt securities and are recorded at fair value. Cost of securities sold use the first in, first out (FIFO) method. The classification of marketable securities as current or non-current is based on the availability for use in current operations. 3M reviews impairments associated with its marketable securities in accordance with the measurement guidance provided by ASC 320, Investments-Debt Securities and ASC 326-30, Available-for-Sale Debt Securities, when determining whether a decline in fair value below the amortized cost basis has resulted from a credit loss or other factors. An impairment relating to credit losses is recorded through an allowance for credit losses. The allowance is limited by the amount that the fair value is less than the amortized cost basis. A change in the allowance for credit losses is recorded into earnings in the period of the

7

change. Any impairment that has not been recorded through an allowance for credit losses is recorded through accumulated other comprehensive income as a component of shareholders’ equity. The factors considered in determining whether a credit loss exists can include the extent to which fair value is less than the amortized cost basis, changes in the credit quality of the underlying loan obligors, credit ratings actions, as well as other factors. When a credit loss exists, the Company compares the present value of cash flows expected to be collected from the debt security with the amortized cost basis of the security to determine what allowance amount, if any, should be recorded. Amounts are reclassified out of accumulated other comprehensive income and into earnings upon sale or a change in the portions of impairment related to credit losses and not related to credit losses.

Property, plant and equipment: 3M’s accounting policy with respect to property, plant and equipment, is disclosed in the Company’s notes to consolidated financial statements included in its most recent Annual Report on Form 10-K. In addition, 3M records capital-related government grants earned as reductions to the cost of property, plant and equipment; and associated unpaid liabilities and grant proceeds receivable are considered non-cash changes in such balances for purposes of preparation of statement of cash flows.

Foreign Currency Translation

Local currencies generally are considered the functional currencies outside the United States with the exception of 3M’s subsidiaries in Argentina, the economy of which was considered highly inflationary beginning in 2018, and accordingly the financial statements of these subsidiaries are remeasured as if their functional currency is that of their parent. Assets and liabilities for operations in local-currency environments are translated at month-end exchange rates of the period reported. Income and expense items are translated at average monthly currency exchange rates in effect during the period. Cumulative translation adjustments are recorded as a component of accumulated other comprehensive income (loss) in shareholders’ equity.

3M had a consolidated subsidiary in Venezuela, the financial statements of which were remeasured as if its functional currency were that of its parent because Venezuela’s economic environment is considered highly inflationary. The operating income of this subsidiary was immaterial as a percent of 3M’s consolidated operating income for the periods presented. In light of circumstances, including the country’s unstable environment and heightened unrest leading to sustained lack of demand, and expectation that these circumstances will continue for the foreseeable future, during May 2019, 3M concluded it no longer met the criteria of control in order to continue consolidating its Venezuelan operations. As a result, as of May 31, 2019, the Company began reflecting its interest in the Venezuelan subsidiary as an equity investment that does not have a readily determinable fair value. This resulted in a pre-tax charge of $162 million within other expense (income) in the second quarter of 2019. The charge primarily relates to $144 million of foreign currency translation losses associated with foreign currency movements before Venezuela was accounted for as a highly inflationary economy and pension elements previously included in accumulated other comprehensive loss along with write-down of intercompany receivable and investment balances associated with this subsidiary. Beginning May 31, 2019, 3M’s consolidated balance sheets and statements of operations no longer include the Venezuelan entity’s operations other than an immaterial equity investment and associated loss or income thereon largely only to the extent, if any, that 3M provides support or materials and receives funding or dividends.

Earnings Per Share

The difference in the weighted average 3M shares outstanding for calculating basic and diluted earnings per share attributable to 3M common shareholders is a result of the dilution associated with the Company’s stock-based compensation plans. Certain options outstanding under these stock-based compensation plans were not included in the computation of diluted earnings per share attributable to 3M common shareholders because they would have had an anti-dilutive effect (18.8 million average options for the three months ended September 30, 2020; 19.6 million average options for the nine months ended September 30, 2020; 11.9 million average options for the three months ended September 30, 2019; 8.0 million average options for the nine months ended September 30, 2019). The computations for basic and diluted earnings per share follow:

8

Earnings Per Share Computations

	Three months ended				Nine months ended
	September 30,				September 30,
(Amounts in millions, except per share amounts)	2020		2019		2020		2019
Numerator:
Net income attributable to 3M	$	1,413	$	1,583	$	3,995	$	3,601
Denominator:
Denominator for weighted average 3M common shares outstanding – basic		577.8		576.5		577.2		577.2
Dilution associated with the Company’s stock-based compensation plans		4.6		6.5		4.4		8.7
Denominator for weighted average 3M common shares outstanding – diluted		582.4		583.0		581.6		585.9
Earnings per share attributable to 3M common shareholders – basic	$	2.45	$	2.75	$	6.92	$	6.24
Earnings per share attributable to 3M common shareholders – diluted	$	2.43	$	2.72	$	6.87	$	6.15

New Accounting Pronouncements

See the Company’s 2019 Annual Report on Form 10-K for a more detailed discussion of the standards in the tables that follow, except for those pronouncements issued subsequent to the most recent Form 10-K filing date for which separate, more detailed discussion is provided below as applicable.

Standards Adopted During the Current Fiscal Year
Standard	Relevant Description	Effective Date for 3M	Impact and Other Matters
ASU No. 2016-13, Measurement of Credit Losses on Financial Instruments (in conjunction with ASU Nos. 2018-19, 2019-04, 2019-05, 2019-11, and 2020-03)	Introduces an approach, based on expected losses, to estimate credit losses on certain types of financial instruments and modifies the impairment model for available-for-sale debt securities. Amends the current other-than-temporary impairment model for available-for-sale debt securities. For such securities with unrealized losses, entities will still consider if a portion of any impairment is related only to credit losses and therefore recognized as a reduction in income.	January 1, 2020	Adopted using the modified retrospective approach. Adoption of this ASU did not have a material impact due to the nature and extent of 3M’s financial instruments in scope for this ASU (primarily accounts receivable) and the historical, current and expected credit quality of its customers as of the date of adoption. See Note 1 Significant Accounting Policies for updated applicable accounting policies.
ASU No. 2018-13, Changes to the Disclosure Requirements for Fair Value Measurement	Eliminates, amends, and adds disclosure requirements for fair value measurements, primarily related to Level 3 fair value measurements.	January 1, 2020	This ASU relates to disclosure only. The nature and extent of 3M’s financial instruments in scope for this ASU (primarily Level 3 fair value measurements) are immaterial to 3M’s consolidated results of operations and financial condition.
ASU No. 2018-15, Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract	Aligns the accounting for implementation costs incurred in a cloud computing arrangement that is a service arrangement (i.e. hosting arrangement) with the guidance on capitalizing costs in ASC 350-40, Internal-Use Software	January 1, 2020	Adopted on a prospective basis. Relevant capitalizable costs are included in prepaid expenses or other non-current asset, as applicable, prospectively beginning in 2020.

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Standards Issued and Not Yet Adopted
Standard	Relevant Description	Effective Date for 3M	Impact and Other Matters
ASU No. 2019-12, Simplifying the Accounting for Income Taxes (Topic 740)	Eliminates certain existing exceptions related to the general approach in ASC 740 relating to franchise taxes, reducing complexity in the interim-period accounting for year-to-date loss limitations and changes in tax laws, and clarifying the accounting for transactions outside of business combination that result in a step-up in the tax basis of goodwill.	January 1, 2021	3M previously disclosed it does not expect this ASU to have a material impact on its consolidated results of operations and financial condition.
ASU No. 2020-01, Clarifying the Interactions between Topic 321, Investments—Equity Securities, Topic 323, Investments—Equity Method and Joint Ventures, and Topic 815, Derivatives and Hedging	Clarifies when accounting for certain equity securities, a Company should consider observable transactions before applying or upon discontinuing the equity method of accounting for the purposes of applying the measurement alternative. Indicates when determining the accounting for certain derivatives, a Company should not consider if the underlying securities would be accounted for under the equity method or fair value option.	January 1, 2021	3M previously disclosed it does not expect this ASU to have a material impact on its consolidated results of operations and financial condition, but will apply such guidance, where applicable, to future circumstances.

Relevant New Standards Issued Subsequent to Most Recent Annual Report

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. This ASU provides temporary optional expedients and exceptions to existing guidance on contract modifications and hedge accounting to facilitate the market transition from existing reference rates, such as LIBOR which is being phased out in 2021, to alternate reference rates, such as SOFR. The standard was effective upon issuance and allowed application to contract changes as early as January 1, 2020. The provisions have impact as contract modifications and other changes occur while LIBOR is phased out. The Company is in the process of evaluating the optional relief guidance provided within this ASU and is also reviewing its debt securities, bank facilities, derivative instruments and commercial contracts that utilize LIBOR as the reference rate. 3M will continue its assessment and monitor regulatory developments during the LIBOR transition period.

NOTE 2. Revenue

Contract Balances:

Deferred revenue primarily relates to revenue that is recognized over time for one-year software license contracts. Deferred revenue (current portion) as of September 30, 2020 and December 31, 2019 was $390 million and $430 million, respectively. Approximately $100 million and $370 million of the December 31, 2019 balance was recognized as revenue during the three and nine months ended September 30, 2020, respectively, while approximately $80 million and $560 million of the December 31, 2018 balance was recognized as revenue during the three and nine months ended September 30, 2019, respectively.

Operating Lease Revenue:

Net sales includes rental revenue from durable medical devices as part of operating lease arrangements, which was $153 million and $428 million during the three and nine months ended September 30, 2020. Applicable rental revenue for the three and nine months ended September 30, 2019 was not material.

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Disaggregated revenue information:

The Company views the following disaggregated disclosures as useful to understanding the composition of revenue recognized during the respective reporting periods:

	Three months ended				Nine months ended
	September 30,				September 30,
Net Sales (Millions)	2020		2019		2020		2019
Abrasives	$	290	$	338	$	863	$	1,059
Automotive Aftermarket		309		307		796		917
Closure and Masking Systems		242		282		745		835
Electrical Markets		285		299		829		912
Industrial Adhesives and Tapes		647		684		1,873		2,041
Personal Safety		1,136		812		3,221		2,653
Roofing Granules		114		101		295		293
Other Safety and Industrial		1		6		5		19
Total Safety and Industrial Business Segment	$	3,024	$	2,829	$	8,627	$	8,729
Advanced Materials	$	246	$	319	$	770	$	961
Automotive and Aerospace		410		477		1,125		1,463
Commercial Solutions		390		443		1,147		1,382
Electronics		1,024		1,001		2,771		2,760
Transportation Safety		245		260		678		741
Other Transportation and Electronics		(1)		—		(2)		(2)
Total Transportation and Electronics Business Segment	$	2,314	$	2,500	$	6,489	$	7,305
Drug Delivery	$	—	$	93	$	146	$	277
Food Safety		82		86		252		254
Health Information Systems		280		296		833		853
Medical Solutions		1,251		745		3,472		2,319
Oral Care		320		312		741		991
Separation and Purification Sciences		221		191		639		602
Other Health Care		6		(2)		5		(6)
Total Health Care Business Group	$	2,160	$	1,721	$	6,088	$	5,290
Consumer Health Care	$	96	$	97	$	278	$	295
Home Care		268		243		796		747
Home Improvement		686		612		1,863		1,729
Stationery and Office		323		362		859		1,008
Other Consumer		44		28		115		83
Total Consumer Business Group	$	1,417	$	1,342	$	3,911	$	3,862
Corporate and Unallocated	$	—	$	28	$	(1)	$	98
Elimination of Dual Credit		(565)		(429)		(1,513)		(1,259)
Total Company	$	8,350	$	7,991	$	23,601	$	24,025

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	Three months ended September 30, 2020
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	1,623	$	706	$	695	$	—	$	3,024
Transportation and Electronics		640		1,357		317		—		2,314
Health Care		1,335		377		448		—		2,160
Consumer		1,032		231		154		—		1,417
Corporate and Unallocated		(1)		—		—		1		—
Elimination of Dual Credit		(282)		(197)		(86)		—		(565)
Total Company	$	4,347	$	2,474	$	1,528	$	1	$	8,350

	Nine months ended September 30, 2020
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	4,509	$	2,080	$	2,038	$	—	$	8,627
Transportation and Electronics		1,847		3,709		933		—		6,489
Health Care		3,690		1,091		1,307		—		6,088
Consumer		2,801		699		411		—		3,911
Corporate and Unallocated		(1)		—		—		—		(1)
Elimination of Dual Credit		(724)		(550)		(239)		—		(1,513)
Total Company	$	12,122	$	7,029	$	4,450	$	—	$	23,601

	Three months ended September 30, 2019
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	1,497	$	706	$	626	$	—	$	2,829
Transportation and Electronics		749		1,388		362		1		2,500
Health Care		973		360		388		—		1,721
Consumer		975		228		140		(1)		1,342
Corporate and Unallocated		27		1		1		(1)		28
Elimination of Dual Credit		(185)		(193)		(52)		1		(429)
Total Company	$	4,036	$	2,490	$	1,465	$	—	$	7,991

	Nine months ended September 30, 2019
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	4,532	$	2,165	$	2,033	$	(1)	$	8,729
Transportation and Electronics		2,256		3,912		1,137		—		7,305
Health Care		2,916		1,121		1,253		—		5,290
Consumer		2,723		718		422		(1)		3,862
Corporate and Unallocated		97		1		1		(1)		98
Elimination of Dual Credit		(562)		(534)		(164)		1		(1,259)
Total Company	$	11,962	$	7,383	$	4,682	$	(2)	$	24,025

Americas included United States net sales to customers of $3.7 billion and $3.3 billion for the three months ended September 30, 2020 and 2019, respectively, and $10.2 billion and $9.7 billion for the nine months ended September 30, 2020 and 2019, respectively.

12

NOTE 3. Acquisitions and Divestitures

Refer to Note 3 in 3M’s 2019 Annual Report on Form 10-K for more information on relevant pre-2020 acquisitions and divestitures.

Acquisitions:

3M makes acquisitions of certain businesses from time to time that are aligned with its strategic intent with respect to, among other factors, growth markets and adjacent product lines or technologies. Goodwill resulting from business combinations is largely attributable to the existing workforce of the acquired businesses and synergies expected to arise after 3M’s acquisition of these businesses.

2020 acquisitions:

There were no acquisitions that closed during the nine months ended September 30, 2020.

2019 acquisitions:

In February 2019, 3M completed the acquisition of the technology business of M*Modal for $0.7 billion of cash, net of cash acquired, and assumption of $0.3 billion of M*Modal’s debt. The allocation of purchase consideration related to M*Modal was completed in the fourth quarter of 2019. Net sales and operating loss (inclusive of transaction and integration costs) of this business included in 3M’s consolidated results of operations for the third quarter of 2019 were approximately $75 million and $5 million, respectively. Net sales and operating loss (inclusive of transaction and integration costs) of this business included in 3M’s consolidated results of operations for the first nine months of 2019 were approximately $200 million and $40 million, respectively. M*Modal is reported within the Company’s Health Care business.

In October 2019, the Company completed the acquisition of all of the ownership interests of Acelity Inc. and its KCI subsidiaries and in the first quarter of 2020 paid certain consideration previously accrued under the terms of related agreements. Adjustments in 2020 to the purchase price allocation were approximately $34 million and related to identification and valuation of certain acquired assets and liabilities. The change to provisional amounts did not result in material impacts to results of operations in 2020 or any portion related to earlier quarters in the measurement period. The allocation of purchase consideration related to Acelity was completed in the third quarter of 2020. Net sales and operating loss (inclusive of transaction and integration costs) of this business included in 3M’s consolidated results of operations in the fourth quarter of 2019 were approximately $350 million and $45 million, respectively. Acelity is reported within the Company’s Health Care business.

Divestitures:

3M may divest certain businesses from time to time based upon review of the Company’s portfolio considering, among other items, factors relative to the extent of strategic and technological alignment and optimization of capital deployment, in addition to considering if selling the businesses results in the greatest value creation for the Company and for shareholders. As discussed in Note 16 (Business Segments), gains/losses on sale of businesses are reflected in Corporate and Unallocated.

2020 divestitures:

In January 2020, 3M completed the sale of its advanced ballistic-protection business, formerly part of the Transportation and Electronics business, to Avon Rubber p.l.c for $86 million in cash and recognized certain contingent consideration from the outcome of pending tenders. Further contingent consideration of less than $25 million may be recognized depending on outcomes in the future. The business, with annual sales of approximately $85 million, consists of ballistic helmets, body armor, flat armor and related helmet-attachment products serving government and law enforcement. 3M reflected immaterial impacts in the third quarter of 2019 as a result of measuring this disposal group at the lower of its carrying amount or fair value less cost to sell and in the first quarter 2020 related to completion of the divestiture and recognition of contingent consideration.

In May 2020, 3M completed the sale of substantially all of its drug delivery business, formerly part of the Health Care business, to an affiliate of Altaris Capital Partners, LLC for $617 million in consideration including $487 million of cash, approximately $70 million in the form of an interest-bearing security, and approximately $60 million in the form of a 17 percent noncontrolling interest in the

13

new company, Kindeva Drug Delivery (Kindeva). Non-cash consideration was valued at time of initial recognition on an income-based approach using relevant estimated future cash flows and applicable market interest rates while considering impacts of restrictions related to transferability. The divested business had annual sales of approximately $380 million. 3M retained its transdermal drug delivery components business. 3M reflected a pre-tax gain of $387 million as a result of the divestiture. The Company reflects its ownership interest in Kindeva using the equity method of accounting incorporating the recording of 3M’s share of earnings/losses on a lag-basis based on availability of Kindeva financial statements. As a result, income/loss from this unconsolidated subsidiary began to be reflected in 3M’s financial statements in the third quarter of 2020. Kindeva and 3M entered into certain limited-term agreements related to post-divestiture transition and supply services.

In the third quarter of 2020, 3M completed the sale of a small dermatology products business, formerly part of the Health Care business, for immaterial proceeds that approximated the business’s book value.

2019 divestitures:

During 2019, as described in Note 3 in 3M’s 2019 Annual Report on Form 10-K, the Company divested a number of businesses including: certain oral care technology comprising a business and the gas and flame detection business. 3M also reflected an earnout on a previous divestiture.

Operating income and held for sale amounts:

The aggregate operating income of these businesses was approximately $40 million and $25 million in the first nine months of 2020 and 2019, respectively. The approximate amounts of major assets and liabilities associated with disposal groups classified as held-for-sale as of December 31, 2019 included the following:

	December 31,
(Millions)	2019
Inventory		70
Property, plant and equipment		150
Intangible assets		35

In addition, approximately $30 million of goodwill was estimated to be attributable to disposal groups classified as held-for-sale as of December 31, 2019 based upon relative fair value. The amounts above have not been segregated and are classified within the existing corresponding line items on the Company’s consolidated balance sheet.

NOTE 4. Goodwill and Intangible Assets

There was no goodwill recorded from acquisitions during the first nine months of 2020. The acquisition activity in the following table relates to the net impact of adjustments to the preliminary allocation of purchase price within the one year measurement period following prior acquisitions, which decreased goodwill by $34 million during the nine months ended September 30, 2020. The amounts in the “Translation and other” row in the following table primarily relate to changes in foreign currency exchange rates. The goodwill balance by business segment as of December 31, 2019 and September 30, 2020, follow:

Goodwill

(Millions)	Safety and Industrial		Transportation and Electronics		Health Care		Consumer		Total Company
Balance as of December 31, 2019	$	4,621	$	1,830	$	6,739	$	254	$	13,444
Acquisition activity		—		—		(34)		—		(34)
Divestiture activity		—		(10)		(19)		—		(29)
Translation and other		(7)		13		143		5		154
Balance as of September 30, 2020	$	4,614	$	1,833	$	6,829	$	259	$	13,535

14

Accounting standards require that goodwill be tested for impairment annually and between annual tests in certain circumstances such as a change in reporting units or the testing of recoverability of a significant asset group within a reporting unit. At 3M, reporting units correspond to a division.

As described in Note 16, effective in the first quarter of 2020, the Company changed its business segment reporting. For any product changes that resulted in reporting unit changes, the Company applied the relative fair value method to determine the impact on goodwill of the associated reporting units, the results of which were immaterial. In conjunction with the change in segment reporting, 3M completed an assessment indicating no goodwill impairment existed as a result of this new segment structure.

Acquired Intangible Assets

The carrying amount and accumulated amortization of acquired finite-lived intangible assets, in addition to the balance of non-amortizable intangible assets, as of September 30, 2020, and December 31, 2019, follow:

	September 30,		December 31,
(Millions)	2020		2019
Customer related intangible assets	$	4,232	$	4,316
Patents		530		538
Other technology-based intangible assets		2,099		2,124
Definite-lived tradenames		1,175		1,158
Other amortizable intangible assets		121		125
Total gross carrying amount	$	8,157	$	8,261
Accumulated amortization — customer related		(1,337)		(1,180)
Accumulated amortization — patents		(502)		(499)
Accumulated amortization — other technology-based		(576)		(435)
Accumulated amortization — definite-lived tradenames		(367)		(316)
Accumulated amortization — other		(87)		(90)
Total accumulated amortization	$	(2,869)	$	(2,520)
Total finite-lived intangible assets — net	$	5,288	$	5,741
Non-amortizable intangible assets (primarily tradenames)		638		638
Total intangible assets — net	$	5,926	$	6,379

Certain tradenames acquired by 3M are not amortized because they have been in existence for over 60 years, have a history of leading-market share positions, have been and are intended to be continuously renewed, and the associated products of which are expected to generate cash flows for 3M for an indefinite period of time. As discussed in Note 13, 3M reflected an immaterial charge related to impairment of certain indefinite-lived assets in the first quarter of 2020.

Amortization expense for the three and nine months ended September 30, 2020 and 2019 follows:

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Amortization expense	$	137	$	69	$	405	$	208

Expected amortization expense for acquired amortizable intangible assets recorded as of September 30, 2020:

	Remainder of												After
(Millions)	2020		2021		2022		2023		2024		2025		2025
Amortization expense	$	132	$	524	$	511	$	485	$	460	$	428	$	2,748

15

The preceding expected amortization expense is an estimate. Actual amounts of amortization expense may differ from estimated amounts due to additional intangible asset acquisitions, changes in foreign currency exchange rates, impairment of intangible assets, accelerated amortization of intangible assets and other events. 3M expenses the costs incurred to renew or extend the term of intangible assets.

NOTE 5. Restructuring Actions

2020 Restructuring Actions:

Divestiture-Related Restructuring

During the second quarter of 2020, following the divestiture of substantially all of the drug delivery business (see Note 3) management approved and committed to undertake certain restructuring actions addressing corporate functional costs and manufacturing footprint across 3M in relation to the magnitude of amounts previously allocated/burdened to the divested business. These actions affected approximately 1,300 positions worldwide and resulted in a second quarter 2020 pre-tax charge of $55 million, within Corporate and Unallocated. The divestiture-related restructuring actions were recorded in the income statement as follows:

(Millions)	Second Quarter 2020
Cost of sales	$	42
Selling, general and administrative expenses		12
Research, development and related expenses		1
Total operating income impact	$	55

Divestiture-related restructuring actions, including cash and non-cash impacts, follow:

(Millions)	Employee-Related		Asset-Related and Other		Total
Expense incurred in the second quarter of 2020	$	32	$	23	$	55
Non-cash changes		—		(14)		(14)
Cash payments		(7)		—		(7)
Accrued divestiture-related restructuring action balances as of September 30, 2020	$	25	$	9	$	34

Remaining activities related to this divestiture-related restructuring are expected to be largely completed through the second quarter of 2021.

Other Restructuring

Additionally, in the second quarter of 2020, management approved and committed to undertake certain restructuring actions addressing structural enterprise costs and operations in certain end markets as a result of the COVID-19 pandemic and related economic impacts. These actions affected approximately 400 positions worldwide and resulted in a second quarter 2020 pre-tax charge of $58 million. The restructuring charges were recorded in the income statement as follows:

(Millions)	Second Quarter 2020
Cost of sales	$	13
Selling, general and administrative expenses		37
Research, development and related expenses		8
Total operating income impact	$	58

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The business segment operating income impact of these restructuring charges are summarized by business segment as follows:

	Second Quarter 2020
(Millions)	Employee-Related		Asset-Related		Total
Safety and Industrial	$	7	$	—	$	7
Transportation and Electronics		11		—		11
Health Care		12		—		12
Consumer		5		—		5
Corporate and Unallocated		—		23		23
Total Operating Expense	$	35	$	23	$	58

Restructuring actions, including cash and non-cash impacts, follow:

(Millions)	Employee-Related		Asset-Related		Total
Expense incurred in the second quarter of 2020	$	35	$	23	$	58
Non-cash changes		—		(23)		(23)
Adjustments		(9)		—		(9)
Accrued restructuring action balances as of September 30, 2020	$	26	$	—	$	26

Remaining activities related to this restructuring are expected to be largely completed through the second quarter of 2021.

2019 Restructuring Actions:

As described in Note 5 in 3M’s 2019 Annual Report on Form 10-K, during the second quarter of 2019, in light of slower than expected 2019 sales, management approved and committed to undertake certain restructuring actions. These actions impacted approximately 2,000 positions worldwide, including attrition. The Company recorded second quarter 2019 pre-tax charges of $148 million. The restructuring charges were recorded in the income statement as follows:

(Millions)	Second Quarter 2019
Cost of sales	$	18
Selling, general and administrative expenses		89
Research, development and related expenses		5
Total operating income impact		112
Other expense (income), net		36
Total income before taxes impact	$	148

The operating income impact of these restructuring charges are summarized by business segment as follows:

	Second Quarter 2019
(Millions)	Employee-Related		Asset-Related		Total
Safety and Industrial	$	11	$	—	$	11
Transportation and Electronics		8		—		8
Health Care		6		—		6
Consumer		5		—		5
Corporate and Unallocated		42		40		82
Total Operating Expense	$	72	$	40	$	112

The second quarter 2019 actions included a voluntary early retirement incentive (further discussed in Note 11), the charge for which is included in other expense (income), net above.

17

Restructuring action activity from 2019, which includes both second and fourth quarter actions, including cash and non-cash impacts, follow:

(Millions)	Employee-Related
Accrued restructuring action balances as of December 31, 2019	$	140
Cash Payments		(25)
Adjustments		(55)
Accrued restructuring action balances as of September 30, 2020	$	60

Adjustments in the table above reflect changes in estimates from factors such as additional natural attrition and redeployment as COVID-19 delayed the start of plan execution and update of costs associated with the mix of impacted roles. Remaining activities related to this restructuring are expected to be completed largely through early 2021.

NOTE 6. Supplemental Income Statement Information

Other expense (income), net consists of the following:

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Interest expense	$	128	$	109	$	388	$	324
Interest income		(5)		(26)		(24)		(64)
Pension and postretirement net periodic benefit cost (benefit)		(19)		(38)		(53)		(73)
Loss on deconsolidation of Venezuelan subsidiary		—		—		—		162
Total	$	104	$	45	$	311	$	349

Pension and postretirement net periodic benefit costs described in the table above include all components of defined benefit plan net periodic benefit costs except service cost, which is reported in various operating expense lines. Pension and postretirement net periodic benefit costs include a second quarter 2019 charge related to the voluntary early retirement incentive program announced in May 2019. Refer to Note 11 for additional details on the voluntary early retirement incentive program in addition to the components of pension and postretirement net periodic benefit costs.

In the second quarter of 2019, the Company incurred a charge of $162 million related to the deconsolidation of its Venezuelan subsidiary. Refer to Note 1 for additional details.

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NOTE 7. Supplemental Equity and Comprehensive Income Information

Cash dividends declared and paid totaled $1.47 and $1.44 per share for the first, second, and third quarters 2020 and 2019, respectively, or $4.41 and $4.32 per share for the first nine months of 2020 and 2019, respectively.

Consolidated Changes in Equity

Three months ended September 30, 2020

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at June 30, 2020	$	10,915	$	6,083	$	42,759	$	(29,699)	$	(8,286)	$	58
Net income		1,417				1,413						4
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		271								270		1
Defined benefit pension and post-retirement plans adjustment		127								127		—
Cash flow hedging instruments		(71)								(71)		—
Total other comprehensive income (loss), net of tax		327
Dividends declared		(847)				(847)
Stock-based compensation		42		42
Reacquired stock		(1)						(1)
Issuances pursuant to stock option and benefit plans		90				(40)		130
Balance at September 30, 2020	$	11,943	$	6,125	$	43,285	$	(29,570)	$	(7,960)	$	63

Nine months ended September 30, 2020

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at December 31, 2019	$	10,126	$	5,916	$	42,135	$	(29,849)	$	(8,139)	$	63
Net income		3,998				3,995						3
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(67)								(65)		(2)
Defined benefit pension and post-retirement plans adjustment		304								304		—
Cash flow hedging instruments		(60)								(60)		—
Total other comprehensive income (loss), net of tax		177
Dividends declared		(2,540)				(2,540)
Purchase of subsidiary shares		(1)										(1)
Stock-based compensation		209		209
Reacquired stock		(357)						(357)
Issuances pursuant to stock option and benefit plans		331				(305)		636
Balance at September 30, 2020	$	11,943	$	6,125	$	43,285	$	(29,570)	$	(7,960)	$	63

19

Three months ended September 30, 2019

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at June 30, 2019	$	10,142	$	5,821	$	41,362	$	(29,828)	$	(7,272)	$	59
Net income		1,588				1,583						5
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(202)								(200)		(2)
Defined benefit pension and post-retirement plans adjustment		76								76		—
Cash flow hedging instruments		8								8		—
Total other comprehensive income (loss), net of tax		(118)
Dividends declared		(828)				(828)
Stock-based compensation		49		49
Reacquired stock		(141)						(141)
Issuances pursuant to stock option and benefit plans		72				(32)		104
Balance at September 30, 2019	$	10,764	$	5,870	$	42,085	$	(29,865)	$	(7,388)	$	62

Nine months ended September 30, 2019

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at December 31, 2018	$	9,848	$	5,652	$	40,636	$	(29,626)	$	(6,866)	$	52
Impact of adoption of ASU No. 2018-02*		—				853				(853)
Impact of adoption of ASU No. 2016-02*		14				14
Net income		3,612				3,601						11
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(2)								(1)		(1)
Defined benefit pension and post-retirement plans adjustment		356								356		—
Cash flow hedging instruments		(24)								(24)		—
Total other comprehensive income (loss), net of tax		330
Dividends declared		(2,488)				(2,488)
Stock-based compensation		218		218
Reacquired stock		(1,211)						(1,211)
Issuances pursuant to stock option and benefit plans		441				(531)		972
Balance at September 30, 2019	$	10,764	$	5,870	$	42,085	$	(29,865)	$	(7,388)	$	62

*See Note 1 in 3M’s 2019 Annual Report on Form 10-K.

20

Changes in Accumulated Other Comprehensive Income (Loss) Attributable to 3M by Component

Three months ended September 30, 2020

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at June 30, 2020, net of tax:	$	(2,234)	$	(6,032)	$	(20)	$	(8,286)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		237		—		(72)		165
Amounts reclassified out		—		163		(21)		142
Total other comprehensive income (loss), before tax		237		163		(93)		307
Tax effect		33		(36)		22		19
Total other comprehensive income (loss), net of tax		270		127		(71)		326
Balance at September 30, 2020, net of tax:	$	(1,964)	$	(5,905)	$	(91)	$	(7,960)

Nine months ended September 30, 2020

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at December 31, 2019, net of tax:	$	(1,899)	$	(6,209)	$	(31)	$	(8,139)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(98)		(80)		(10)		(188)
Amounts reclassified out		—		489		(68)		421
Total other comprehensive income (loss), before tax		(98)		409		(78)		233
Tax effect		33		(105)		18		(54)
Total other comprehensive income (loss), net of tax		(65)		304		(60)		179
Balance at September 30, 2020, net of tax:	$	(1,964)	$	(5,905)	$	(91)	$	(7,960)

Three months ended September 30, 2019

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at June 30, 2019, net of tax:	$	(1,912)	$	(5,369)	$	9	$	(7,272)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(149)		—		31		(118)
Amounts reclassified out		—		101		(21)		80
Total other comprehensive income (loss), before tax		(149)		101		10		(38)
Tax effect		(51)		(25)		(2)		(78)
Total other comprehensive income (loss), net of tax		(200)		76		8		(116)
Balance at September 30, 2019, net of tax:	$	(2,112)	$	(5,293)	$	17	$	(7,388)

21

Nine months ended September 30, 2019

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at December 31, 2018, net of tax:	$	(2,098)	$	(4,832)	$	64	$	(6,866)
Impact of adoption of ASU No. 2018-02*		(13)		(817)		(23)		(853)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(86)		153		14		81
Amounts reclassified out		142		310		(48)		404
Total other comprehensive income (loss), before tax		56		463		(34)		485
Tax effect		(57)		(107)		10		(154)
Total other comprehensive income (loss), net of tax		(1)		356		(24)		331
Balance at September 30, 2019, net of tax	$	(2,112)	$	(5,293)	$	17	$	(7,388)

*See Note 1 in 3M’s 2019 Annual Report on Form 10-K.

Income taxes are not provided for foreign translation relating to permanent investments in international subsidiaries, but tax effects within cumulative translation does include impacts from items such as net investment hedge transactions. Reclassification adjustments are made to avoid double counting in comprehensive income items that are subsequently recorded as part of net income.

Reclassifications out of Accumulated Other Comprehensive Income Attributable to 3M

	Amount Reclassified from
Details about Accumulated Other	Accumulated Other Comprehensive Income
Comprehensive Income Components	Three months ended September 30,				Nine months ended September 30,				Location on Income
(Millions)	2020		2019		2020		2019		Statement
Cumulative translation adjustment
Deconsolidation of Venezuelan subsidiary	$	—	$	—	$	—	$	(142)	Other income (expense), net
Total before tax		—		—		—		(142)
Tax effect		—		—		—		—	Provision for income taxes
Net of tax	$	—	$	—	$	—	$	(142)
Defined benefit pension and postretirement plans adjustments
Gains (losses) associated with defined benefit pension and postretirement plans amortization
Transition asset	$	(1)	$	—	$	(2)	$	—	See Note 11
Prior service benefit		15		18		46		50	See Note 11
Net actuarial loss		(176)		(119)		(530)		(358)	See Note 11
Curtailments/Settlements		(1)		—		(3)		—	See Note 11
Deconsolidation of Venezuelan subsidiary		—		—		—		(2)	Other income (expense), net
Total before tax		(163)		(101)		(489)		(310)
Tax effect		36		25		118		70	Provision for income taxes
Net of tax	$	(127)	$	(76)	$	(371)	$	(240)
Cash flow hedging instruments gains (losses)
Foreign currency forward/option contracts	$	23	$	22	$	74	$	50	Cost of sales
Interest rate contracts		(2)		(1)		(6)		(2)	Interest expense
Total before tax		21		21		68		48
Tax effect		(5)		(4)		(16)		(9)	Provision for income taxes
Net of tax	$	16	$	17	$	52	$	39
Total reclassifications for the period, net of tax	$	(111)	$	(59)	$	(319)	$	(343)

22

NOTE 8. Income Taxes

The Company is under IRS examination or appeals for the tax years 2017 through 2018. The IRS has completed its field examination of the U.S. federal income tax returns for all years for 2005 through 2016, but the years have not closed as the Company is in the process of resolving issues identified during those examinations. In addition to the U.S. federal examination, there is also audit activity in several U.S. state and foreign jurisdictions where the Company is subject to ongoing tax examinations and governmental assessments, which could be impacted by evolving political environments in those jurisdictions. As of September 30, 2020, no taxing authority has proposed significant adjustments to the Company’s tax positions for which the Company is not adequately reserved.

It is reasonably possible that the amount of unrecognized tax benefits could significantly change within the next 12 months. At this time, the Company is not able to estimate the range by which these potential events could impact 3M’s unrecognized tax benefits in the next 12 months. The total amounts of unrecognized tax benefits that, if recognized, would affect the effective tax rate as of September 30, 2020 and December 31, 2019 are $1,155 million and $1,178 million, respectively. The change in unrecognized tax benefits during 2020 includes a $52 million decrease associated with the tax treatment of the 2018 agreement reached with the State of Minnesota that resolved the Natural Resources Damages (NRD) lawsuit.

As of September 30, 2020 and December 31, 2019, the Company had valuation allowances of $124 million and $158 million on its deferred tax assets, respectively.

The effective tax rate for the third quarter of 2020 was 21.4 percent, compared to 19.3 percent in the third quarter of 2019, an increase of 2.1 percentage points. The primary factor contributing to the increase was nonrepeating 2019 favorable adjustments related to international tax provisions of U.S. tax reform.

The effective tax rate for the first nine months of 2020 was 20.0 percent, compared to 19.7 percent in the first nine months of 2019, largely consistent year-on-year.

The Company previously disclosed as of December 31, 2019 that approximately $14 billion of the undistributed earnings of its foreign subsidiaries were considered indefinitely reinvested. During the third quarter of 2020, 3M determined that approximately $5 billion of these earnings are no longer considered permanently reinvested. The incremental tax cost to repatriate these earnings to the US is immaterial. The Company has not provided deferred taxes on approximately $9 billion of undistributed earnings from non-U.S. subsidiaries as of September 30, 2020 which are indefinitely reinvested in operations. Because of the multiple avenues by which to repatriate the earnings to minimize tax cost, and because a large portion of these earnings are not liquid, it is not practical to determine the income tax liability that would be payable if such earnings were not reinvested indefinitely.

In March 2020, in response to the impact of the COVID-19 pandemic in the U.S. and across the globe, the United States Congress passed the Coronavirus Aid, Relief and Economic Security (CARES) Act. The enactment period impacts to 3M were immaterial to income tax expense.

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NOTE 9. Marketable Securities and Held-to-Maturity Debt Securities

The following is a summary of the types of investments and amounts recorded on the Consolidated Balance Sheet for marketable securities (current and non-current).

(Millions)	September 30, 2020		December 31, 2019
Corporate debt securities	$	7	$	—
Commercial paper		233		85
Certificates of deposit/time deposits		47		10
U.S. treasury securities		150		—
U.S. municipal securities		3		3
Current marketable securities	$	440	$	98
U.S. municipal securities	$	34	$	43
Non-current marketable securities	$	34	$	43
Total marketable securities	$	474	$	141

At September 30, 2020 and December 31, 2019, gross unrealized, gross realized, and net realized gains and/or losses (pre-tax) were not material.

The balances at September 30, 2020 for marketable securities by contractual maturity are shown below. Actual maturities may differ from contractual maturities because the issuers of the securities may have the right to prepay obligations without prepayment penalties.

(Millions)	September 30, 2020
Due in one year or less	$	440
Due after one year through five years		14
Due after five years through ten years		20
Total marketable securities	$	474

Held-to-Maturity Debt Securities

In connection with the in-substance debt defeasance of the Third Lien Notes described in Note 10, the Company purchased a $0.5 billion U.S. Treasury security in the fourth quarter of 2019 and transferred it to a trust with irrevocable instructions to use the proceeds from its maturity to satisfy the redemption of the Third Lien Notes that occurred in May 2020. This debt security was considered held-to-maturity due to the restrictions in satisfying and discharging the Third Lien Notes, was carried at amortized cost, and was reflected in other current assets on the Company’s consolidated balance sheet. Upon the maturity of the debt security in May 2020, the Company has no held-to-maturity debt securities.

NOTE 10. Long-Term Debt and Short-Term Borrowings

In March 2020, 3M issued $1.75 billion aggregate principal amount of fixed rate registered notes. These were comprised of $500 million of 5-year notes due 2025 with a coupon rate of 2.65%, $600 million of 10-year notes due 2030 with a coupon rate of 3.05%, and $650 million of 30-year notes due 2050 with a coupon rate of 3.70%.

As of September 30, 2020, the Company had no commercial paper outstanding, compared to $150 million in commercial paper outstanding as of December 31, 2019.

In July 2020, 3M extended a credit facility initially expiring in July 2020 to August 2021 in the amount of 80 billion Japanese yen. In November 2019, 3M entered into a credit facility expiring in November 2020 in the amount of 150 million euros. During the third quarter of 2020, the Company paid the outstanding balances and closed these credit facilities.

24

In conjunction with the October 2019 acquisition of Acelity (see Note 3), 3M assumed outstanding debt of the business, of which $445 million in principal amount of third lien senior secured notes (Third Lien Notes) maturing in 2021 with a coupon rate of 12.5% was not immediately redeemed at closing. Instead, at closing, 3M satisfied and discharged the Third Lien Notes via an in-substance defeasance, whereby 3M transferred cash equivalents and marketable securities to a trust with irrevocable instructions to redeem the Third Lien Notes on May 1, 2020. The trust assets were restricted from use in 3M’s operations and were only used for the redemption of the Third Lien Notes that occurred in May 2020. These actions, however, did not represent a legal defeasance. Therefore, this debt was included in current portion of long-term debt and the related trust assets were included in current assets on the Company’s consolidated balance sheet as of December 31, 2019.

In May 2020, 3M repaid the aggregate $445 million principal amount of Third Lien Notes subject to the in-substance defeasance above and repaid 650 million euros aggregate principal amount of floating-rate medium-term notes that matured. In August 2020, 3M repaid $500 million aggregate principal amount of floating rate medium-term notes that matured.

Future Maturities of Long-term Debt

Maturities of long-term debt in the table below reflect the impact of put provisions associated with certain debt instruments and are net of the unaccreted debt issue costs such that total maturities equal the carrying value of long-term debt as of September 30, 2020. The maturities of long-term debt for the periods subsequent to September 30, 2020 are as follows (in millions):

Remainder of												After
2020		2021		2022		2023		2024		2025		2025		Total
$	149	$	1,710	$	1,629	$	1,842	$	1,101	$	1,789	$	11,362	$	19,582

NOTE 11. Pension and Postretirement Benefit Plans

The service cost component of defined benefit net periodic benefit cost is recorded in cost of sales; selling, general and administrative expenses; and research, development and related expenses. The other components of net periodic benefit cost are reflected in other expense (income), net. Components of net periodic benefit cost and other supplemental information for the three and nine months ended September 30, 2020 and 2019 follow:

Benefit Plan Information

	Three months ended September 30,
	Qualified and Non-qualified
	Pension Benefits								Postretirement
	United States				International				Benefits
(Millions)	2020		2019		2020		2019		2020		2019
Net periodic benefit cost (benefit)
Operating expense
Service cost	$	66	$	63	$	39	$	32	$	11	$	10
Non-operating expense
Interest cost	$	124	$	155	$	31	$	40	$	16	$	20
Expected return on plan assets		(255)		(260)		(77)		(75)		(20)		(20)
Amortization of transition asset		—		—		1		—		—		—
Amortization of prior service benefit		(6)		(6)		(1)		(3)		(8)		(9)
Amortization of net actuarial loss		134		91		30		20		12		8
Settlements, curtailments, special termination benefits and other		—		—		—		—		1		—
Total non-operating expense (benefit)		(3)		(20)		(16)		(18)		1		(1)
Total net periodic benefit cost (benefit)	$	63	$	43	$	23	$	14	$	12	$	9

25

	Nine months ended September 30,
	Qualified and Non-qualified
	Pension Benefits								Postretirement
	United States				International				Benefits
(Millions)	2020		2019		2020		2019		2020		2019
Net periodic benefit cost (benefit)
Operating expense
Service cost	$	197	$	188	$	115	$	98	$	33	$	32
Non-operating expense
Interest cost	$	374	$	466	$	95	$	118	$	48	$	62
Expected return on plan assets		(765)		(780)		(231)		(225)		(60)		(61)
Amortization of transition asset		—		—		2		—		—		—
Amortization of prior service benefit		(18)		(18)		(4)		(9)		(24)		(23)
Amortization of net actuarial loss		402		274		92		59		36		25
Settlements, curtailments, special termination benefits and other		—		35		—		1		3		—
Total non-operating expense (benefit)		(7)		(23)		(46)		(56)		3		3
Total net periodic benefit cost (benefit)	$	190	$	165	$	69	$	42	$	36	$	35

For the nine months ended September 30, 2020 contributions totaling $119 million were made to the Company’s U.S. and international pension plans and $3 million to its postretirement plans. For total year 2020, the Company expects to contribute approximately $200 million of cash to its global defined benefit pension and postretirement plans. The Company does not have a required minimum cash pension contribution obligation for its U.S. plans in 2020. Future contributions will depend on market conditions, interest rates and other factors. 3M’s annual measurement date for pension and postretirement assets and liabilities is December 31 each year, which is also the date used for the related annual measurement assumptions.

In May 2019 (as part of the 2019 restructuring actions discussed in Note 5), the Company began offering a voluntary early retirement incentive program to certain eligible participants of its U.S. pension plans who meet age and years of pension service requirements. The eligible participants who accepted the offer and retired by July 1, 2019 received an enhanced pension benefit. Pension benefits were enhanced by adding one additional year of pension service and one additional year of age for certain benefit calculations. Approximately 800 participants accepted the offer and retired before July 1, 2019. As a result, the Company incurred a $35 million charge related to these special termination benefits in the second quarter of 2019.

In May 2019, 3M modified the 3M Retiree Life Insurance Plan postretirement benefit to close it to new participants effective August 1, 2019 (which results in employees who retire on or after August 1, 2019 not being eligible to participate in the plan) and reducing the maximum life insurance and death benefit to $8,000 for deaths on or after August 1, 2019. Due to these changes, the plan was re-measured in the second quarter of 2019, resulting in a decrease to the accumulated projected benefit obligation liability of approximately $150 million and a related increase to shareholders’ equity, specifically accumulated other comprehensive income in addition to an immaterial income statement benefit prospectively.

In the second quarter of 2020, as a result of the divestiture of the drug delivery business, the Company recognized a curtailment in its United Kingdom Pension Plan. The resulting re-measurement of the pension plan funded status reduced long-term prepaid pension and post retirement assets (located within “other assets” of the Company’s balance sheet) by approximately $80 million, which was offset within accumulated other comprehensive income (located within the equity section of the Company’s balance sheet). The expense impact of this re-measurement was immaterial for the second quarter of 2020 and subsequent periods.

26

NOTE 12. Derivatives

The Company uses interest rate swaps, currency swaps, commodity price swaps, and forward and option contracts to manage risks generally associated with foreign exchange rate, interest rate and commodity price fluctuations. The information that follows explains the various types of derivatives and financial instruments used by 3M, how and why 3M uses such instruments, how such instruments are accounted for, and how such instruments impact 3M’s financial position and performance.

Additional information with respect to derivatives is included elsewhere as follows:

● Impact on other comprehensive income of nonderivative hedging and derivative instruments is included in Note 7.

● Fair value of derivative instruments is included in Note 13.

● Derivatives and/or hedging instruments associated with the Company’s long-term debt are described in Note 12 in 3M’s 2019 Annual Report on Form 10-K.

Types of Derivatives/Hedging Instruments and Inclusion in Income/Other Comprehensive Income

Cash Flow Hedges:

For derivative instruments that are designated and qualify as cash flow hedges, the gain or loss on the derivative is reported as a component of other comprehensive income and reclassified into earnings in the same period during which the hedged transaction affects earnings. Gains and losses on the derivative representing hedge components excluded from the assessment of effectiveness are recognized in current earnings.

Cash Flow Hedging - Foreign Currency Forward and Option Contracts: The Company enters into foreign exchange forward and option contracts to hedge against the effect of exchange rate fluctuations on cash flows denominated in foreign currencies. These transactions are designated as cash flow hedges. The settlement or extension of these derivatives will result in reclassifications (from accumulated other comprehensive income) to earnings in the period during which the hedged transactions affect earnings. 3M may dedesignate these cash flow hedge relationships in advance of the occurrence of the forecasted transaction. The portion of gains or losses on the derivative instrument previously included in accumulated other comprehensive income for dedesignated hedges remains in accumulated other comprehensive income until the forecasted transaction occurs or becomes probable of not occurring. Changes in the value of derivative instruments after dedesignation are recorded in earnings and are included in the Derivatives Not Designated as Hedging Instruments section below. The maximum length of time over which 3M hedges its exposure to the variability in future cash flows of the forecasted transactions is 36 months.

Cash Flow Hedging - Interest Rate Contracts: The Company may use forward starting interest rate swap or treasury rate lock contracts to hedge exposure to variability in cash flows from interest payments on forecasted debt issuances. Additional information regarding previously issued but terminated interest rate contracts, which have related balances within accumulated other comprehensive income being amortized over the underlying life of related debt, can be found in Note 14 in 3M’s 2019 Annual Report on Form 10-K.

In March 2020, the Company entered into treasury rate lock contracts with a notional amount of $500 million that were terminated concurrently with the March 2020 issuance of registered notes as discussed in Note 10. The termination resulted in an immaterial net loss within accumulated other comprehensive income that will be amortized over the respective lives of the debt.

The amortization of gains and losses on forward starting interest rate swap and treasury rate lock contracts is included in the tables below as part of the gain/(loss) reclassified from accumulated other comprehensive income into income.

As of September 30, 2020, the Company had a balance of $91 million after-tax net unrealized loss associated with cash flow hedging instruments recorded in accumulated other comprehensive income. This includes a remaining balance of $109 million (after-tax loss) related to the forward starting interest rate swap and treasury rate lock contracts, which will be amortized over the respective lives of the notes. Based on exchange rates as of September 30, 2020, 3M expects to reclassify approximately $7 million, $3 million, and $4 million of the after-tax net unrealized cash flow hedging gains to earnings over the next 12 months, over the remainder of 2020, and in 2021, respectively, in addition to reclassifying approximately $98 million of the after-tax net unrealized cash flow hedging losses to earnings after 2021 (with the impact offset by earnings/losses from underlying hedged items).

27

The location in the consolidated statements of income and comprehensive income and amounts of gains and losses related to derivative instruments designated as cash flow hedges are provided in the following table. Reclassifications of amounts from accumulated other comprehensive income into income include accumulated gains (losses) on dedesignated hedges at the time earnings are impacted by the forecasted transactions.

	Pretax Gain (Loss)
	Recognized in Other		Pretax Gain (Loss) Reclassified
	Comprehensive		from Accumulated Other
	Income on Derivative		Comprehensive Income into Income
Three months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	(72)	Cost of sales	$	23
Interest rate contracts		—	Interest expense		(2)
Total	$	(72)		$	21

Nine months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	(8)	Cost of sales	$	74
Interest rate contracts		(2)	Interest expense		(6)
Total	$	(10)		$	68

Three months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	105	Cost of sales	$	22
Interest rate contracts		(74)	Interest expense		(1)
Total	$	31		$	21

Nine months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	137	Cost of sales	$	50
Interest rate contracts		(123)	Interest expense		(2)
Total	$	14		$	48

Fair Value Hedges:

For derivative instruments that are designated and qualify as fair value hedges, the gain or loss on the derivatives as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in current earnings.

Fair Value Hedging - Interest Rate Swaps: The Company manages interest expense using a mix of fixed and floating rate debt. To help manage borrowing costs, the Company may enter into interest rate swaps. Under these arrangements, the Company agrees to exchange, at specified intervals, the difference between fixed and floating interest amounts calculated by reference to an agreed-upon notional principal amount. The mark-to-market of these fair value hedges is recorded as gains or losses in interest expense and is offset by the gain or loss of the underlying debt instrument, which also is recorded in interest expense. Additional information regarding designated interest rate swaps can be found in Note 14 in 3M’s 2019 Annual Report on Form 10-K.

Refer to the section below titled Statement of Income Location and Impact of Cash Flow and Fair Value Derivative Instruments for details on the location within the consolidated statements of income for amounts of gains and losses related to derivative instruments designated as fair value hedges and similar information relative to the hedged items for the three and nine months ended September 30, 2020.

28

The following amounts were recorded on the consolidated balance sheet related to cumulative basis adjustments for fair value hedges:

					Cumulative Amount of Fair Value Hedging
	Carrying Value of the				Adjustment Included in the Carrying Value
	Hedged Liabilities (in millions)				of the Hedged Liabilities (in millions)
Location on the Consolidated Balance Sheet	September 30, 2020		December 31, 2019		September 30, 2020		December 31, 2019
Short-term borrowings and current portion of long-term debt	$	205	$	499	$	5	$	—
Long-term debt		581		775		13		22
Total	$	786	$	1,274	$	18	$	22

Net Investment Hedges:

The Company may use non-derivative (foreign currency denominated debt) and derivative (foreign exchange forward contracts) instruments to hedge portions of the Company’s investment in foreign subsidiaries and manage foreign exchange risk. For instruments that are designated and qualify as hedges of net investments in foreign operations and that meet the effectiveness requirements, the net gains or losses attributable to changes in spot exchange rates are recorded in cumulative translation within other comprehensive income. Amounts excluded from the assessment of hedge effectiveness, including the time value of the forward contract at the inception of the hedge, are recognized in earnings using an amortization approach over the life of the hedging instrument on a straight-line basis. Any difference between the change in the fair value of the excluded component and the amount amortized into earnings during the period is recorded in cumulative translation within other comprehensive income. Recognition in earnings of amounts previously recorded in cumulative translation is limited to circumstances such as complete or substantially complete liquidation of the net investment in the hedged foreign operation. To the extent foreign currency denominated debt is not designated in or is dedesignated from a net investment hedge relationship, changes in value of that portion of foreign currency denominated debt due to exchange rate changes are recorded in earnings through their maturity date.

3M’s use of foreign exchange forward contracts designated in hedges of the Company’s net investment in foreign subsidiaries can vary by time period depending on when foreign currency denominated debt balances designated in such relationships are dedesignated, matured, or are newly issued and designated. Additionally, variation can occur in connection with the extent of the Company’s desired foreign exchange risk coverage.

At September 30, 2020, the total notional amount of foreign exchange forward contracts designated in net investment hedges was approximately 50 million euros, along with a principal amount of long-term debt instruments designated in net investment hedges totaling 3.5 billion euros. The maturity dates of these derivative and nonderivative instruments designated in net investment hedges range from 2021 to 2031.

The location in the consolidated statements of income and comprehensive income and amounts of gains and losses related to derivative and nonderivative instruments designated as net investment hedges are as follows. There were no reclassifications of the effective portion of net investment hedges out of accumulated other comprehensive income into income for the periods presented in the table below.

	Pretax Gain (Loss)
	Recognized as
	Cumulative Translation		Amount of Gain (Loss) Excluded
	within Other		from Effectiveness Testing
	Comprehensive Income		Recognized in Income
Three months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	(154)	Cost of sales	$	—
Foreign currency forward contracts		(3)	Cost of sales		—
Total	$	(157)		$	—

Nine months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	(150)	Cost of sales	$	—
Foreign currency forward contracts		2	Cost of sales		5
Total	$	(148)		$	5

29

Three months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	177	Cost of sales	$	—
Foreign currency forward contracts		38	Cost of sales		6
Total	$	215		$	6

Nine months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	205	Cost of sales	$	—
Foreign currency forward contracts		43	Cost of sales		18
Total	$	248		$	18

Derivatives Not Designated as Hedging Instruments:

Derivatives not designated as hedging instruments include dedesignated foreign currency forward and option contracts that formerly were designated in cash flow hedging relationships (as referenced in the Cash Flow Hedges section above). In addition, 3M enters into foreign currency forward contracts to offset, in part, the impacts of certain intercompany activities and enters into commodity price swaps to offset, in part, fluctuations in costs associated with the use of certain commodities and precious metals. These derivative instruments are not designated in hedging relationships; therefore, fair value gains and losses on these contracts are recorded in earnings. The Company does not hold or issue derivative financial instruments for trading purposes.

The location in the consolidated statement of income and amounts of gains and losses related to derivative instruments not designated as hedging instruments are as follows:

	Three months ended September 30, 2020			Nine months ended September 30, 2020
	Gain (Loss) on Derivative Recognized in			Gain (Loss) on Derivative Recognized in
	Income			Income
(Millions)	Location	Amount		Location	Amount
Foreign currency forward/option contracts	Cost of sales	$	1	Cost of sales	$	3
Foreign currency forward contracts	Interest expense		29	Interest expense		2
Total		$	30		$	5

	Three months ended September 30, 2019			Nine months ended September 30, 2019
	Gain (Loss) on Derivative Recognized in			Gain (Loss) on Derivative Recognized in
	Income			Income
(Millions)	Location	Amount		Location	Amount
Foreign currency forward/option contracts	Cost of sales	$	6	Cost of sales	$	4
Foreign currency forward contracts	Interest expense		(8)	Interest expense		(26)
Total		$	(2)		$	(22)

30

Statement of Income Location and Impact of Cash Flow and Fair Value Derivative Instruments

The location in the consolidated statement of income and pre-tax amounts recognized in income related to derivative instruments designated in a cash flow or fair value hedging relationship are as follows:

	Location and Amount of Gain (Loss) Recognized in Income				Location and Amount of Gain (Loss) Recognized in Income
	Three months ended September 30, 2020				Nine months ended September 30, 2020
(Millions)	Cost of sales		Other expense (income), net		Cost of sales		Other expense (income), net
Total amounts of income and expense line items presented in the consolidated statement of income in which the effects of cash flow or fair value hedges are recorded	$	4,303	$	104	$	12,217	$	311
The effects of cash flow and fair value hedging:
Gain or (loss) on cash flow hedging relationships:
Foreign currency forward/option contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	$	23	$	—	$	74	$	—
Interest rate contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income		—		(2)		—		(6)
Gain or (loss) on fair value hedging relationships:
Interest rate contracts:
Hedged items	$	—	$	3	$	—	$	3
Derivatives designated as hedging instruments		—		(3)		—		(3)

	Location and Amount of Gain (Loss) Recognized in Income				Location and Amount of Gain (Loss) Recognized in Income
	Three months ended September 30, 2019				Nine months ended September 30, 2019
(Millions)	Cost of sales		Other expense (income), net		Cost of sales		Other expense (income), net
Total amounts of income and expense line items presented in the consolidated statement of income in which the effects of cash flow or fair value hedges are recorded	$	4,188	$	45	$	12,811	$	349
The effects of cash flow and fair value hedging:
Gain or (loss) on cash flow hedging relationships:
Foreign currency forward/option contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	$	22	$	—	$	50	$	—
Interest rate contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income		—		(1)		—		(2)
Gain or (loss) on fair value hedging relationships:
Interest rate contracts:
Hedged items	$	—	$	1	$	—	$	(11)
Derivatives designated as hedging instruments		—		(1)		—		11

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Location and Fair Value Amount of Derivative Instruments

The following tables summarize the fair value of 3M’s derivative instruments, excluding nonderivative instruments used as hedging instruments, and their location in the consolidated balance sheet. Notional amounts below are presented at period end foreign exchange rates, except for certain interest rate swaps, which are presented using the inception date’s foreign exchange rate. Additional information with respect to the fair value of derivative instruments is included in Note 13.

	Gross		Assets			Liabilities
	Notional			Fair			Fair
September 30, 2020 (Millions)	Amount		Location	Value Amount		Location	Value Amount
Derivatives designated as
hedging instruments
Foreign currency forward/option contracts	$	1,675	Other current assets	$	40	Other current liabilities	$	24
Foreign currency forward/option contracts		722	Other assets		23	Other liabilities		7
Interest rate contracts		200	Other current assets		5	Other current liabilities		—
Interest rate contracts		403	Other assets		8	Other liabilities		—
Total derivatives designated as hedging instruments				$	76		$	31
Derivatives not designated as
hedging instruments
Foreign currency forward/option contracts	$	3,697	Other current assets	$	19	Other current liabilities	$	15
Total derivatives not designated as hedging instruments				$	19		$	15
Total derivative instruments				$	95		$	46

	Gross		Assets			Liabilities
	Notional			Fair			Fair
December 31, 2019 (Millions)	Amount		Location	Value Amount		Location	Value Amount
Derivatives designated as
hedging instruments
Foreign currency forward/option contracts	$	1,995	Other current assets	$	64	Other current liabilities	$	9
Foreign currency forward/option contracts		1,041	Other assets		50	Other liabilities		3
Interest rate contracts		500	Other current assets		—	Other current liabilities		—
Interest rate contracts		603	Other assets		17	Other liabilities		—
Total derivatives designated as hedging instruments				$	131		$	12
Derivatives not designated as
hedging instruments
Foreign currency forward/option contracts	$	2,684	Other current assets	$	11	Other current liabilities	$	8
Total derivatives not designated as hedging instruments				$	11		$	8
Total derivative instruments				$	142		$	20

Credit Risk and Offsetting of Assets and Liabilities of Derivative Instruments

The Company is exposed to credit loss in the event of nonperformance by counterparties in interest rate swaps, currency swaps, commodity price swaps, and forward and option contracts. However, the Company’s risk is limited to the fair value of the instruments. The Company actively monitors its exposure to credit risk through the use of credit approvals and credit limits, and by selecting major international banks and financial institutions as counterparties. 3M enters into master netting arrangements with counterparties when possible to mitigate credit risk in derivative transactions. A master netting arrangement may allow each counterparty to net settle amounts owed between a 3M entity and the counterparty as a result of multiple, separate derivative transactions. As of September 30, 2020, 3M has International Swaps and Derivatives Association (ISDA) agreements with 17 applicable banks and financial institutions which contain netting provisions. In addition to a master agreement with 3M supported by a primary counterparty’s parent guarantee, 3M also has associated credit support agreements in place with 16 of its primary derivative counterparties which, among other things, provide the circumstances under which either party is required to post eligible collateral (when the market value of transactions

32

covered by these agreements exceeds specified thresholds or if a counterparty’s credit rating has been downgraded to a predetermined rating). The Company does not anticipate nonperformance by any of these counterparties.

3M has elected to present the fair value of derivative assets and liabilities within the Company’s consolidated balance sheet on a gross basis even when derivative transactions are subject to master netting arrangements and may otherwise qualify for net presentation. However, the following tables provide information as if the Company had elected to offset the asset and liability balances of derivative instruments, netted in accordance with various criteria in the event of default or termination as stipulated by the terms of netting arrangements with each of the counterparties. For each counterparty, if netted, the Company would offset the asset and liability balances of all derivatives at the end of the reporting period based on the 3M entity that is a party to the transactions. Derivatives not subject to master netting agreements are not eligible for net presentation. As of the applicable dates presented below, no cash collateral had been received or pledged related to these derivative instruments.

Offsetting of Financial Assets under Master Netting Agreements with Derivative Counterparties

			Gross Amounts not Offset in the
			Consolidated Balance Sheet that are Subject
	Gross Amount of		to Master Netting Agreements
	Derivative Assets		Gross Amount of
	Presented in the		Eligible Offsetting		Cash
	Consolidated		Recognized		Collateral		Net Amount of
September 30, 2020 (Millions)	Balance Sheet		Derivative Liabilities		Received		Derivative Assets
Derivatives subject to master netting agreements	$	95	$	27	$	—	$	68
Derivatives not subject to master netting agreements		—						—
Total	$	95					$	68

December 31, 2019 (Millions)
Derivatives subject to master netting agreements	$	142	$	14	$	—	$	128
Derivatives not subject to master netting agreements		—						—
Total	$	142					$	128

Offsetting of Financial Liabilities under Master Netting Agreements with Derivative Counterparties

			Gross Amounts not Offset in the
			Consolidated Balance Sheet that are Subject
	Gross Amount of		to Master Netting Agreements
	Derivative Liabilities		Gross Amount of
	Presented in the		Eligible Offsetting		Cash		Net Amount of
	Consolidated		Recognized		Collateral		Derivative
September 30, 2020 (Millions)	Balance Sheet		Derivative Assets		Pledged		Liabilities
Derivatives subject to master netting agreements	$	46	$	27	$	—	$	19
Derivatives not subject to master netting agreements		—						—
Total	$	46					$	19

December 31, 2019 (Millions)
Derivatives subject to master netting agreements	$	20	$	14	$	—	$	6
Derivatives not subject to master netting agreements		—						—
Total	$	20					$	6

Currency Effects

3M estimates that year-on-year foreign currency transaction effects, including hedging impacts, decreased pre-tax income by approximately $15 million and $4 million for the three and nine months ended September 30, 2020, respectively. These estimates include transaction gains and losses, including derivative instruments designed to reduce foreign currency exchange rate risks.

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NOTE 13. Fair Value Measurements

3M follows ASC 820, Fair Value Measurements and Disclosures, with respect to assets and liabilities that are measured at fair value on a recurring basis and nonrecurring basis. The Company adopted ASU No. 2018-13, Changes to the Disclosure Requirements for Fair Value Measurement, as of January 1, 2020. This ASU primarily amended the disclosures around Level 3 investments, of which the Company had an immaterial amount for all periods presented. Refer to Note 1 for additional details.

In addition to the information above, refer to Note 15 in 3M’s 2019 Annual Report on Form 10-K for a qualitative discussion of the assets and liabilities that are measured at fair value on a recurring and nonrecurring basis, a description of the valuation methodologies used by 3M, and categorization within the valuation framework of ASC 820.

The following tables provide information by level for assets and liabilities that are measured at fair value on a recurring basis.

			Fair Value Measurements
Description	Fair Value at		Using Inputs Considered as
(Millions)	September 30, 2020		Level 1		Level 2		Level 3
Assets:
Available-for-sale:
Marketable securities:
Corporate debt securities	$	7	$	—	$	7	$	—
Commercial paper		233		—		233		—
Certificates of deposit/time deposits		47		—		47		—
U.S. treasury securities		150		150		—		—
U.S. municipal securities		37		—		—		37
Investments		5		5		—		—
Derivative instruments — assets:
Foreign currency forward/option contracts		82		—		82		—
Interest rate contracts		13		—		13		—
Liabilities:
Derivative instruments — liabilities:
Foreign currency forward/option contracts		46		—		46		—

			Fair Value Measurements
Description	Fair Value at		Using Inputs Considered as
(Millions)	December 31, 2019		Level 1		Level 2		Level 3
Assets:
Available-for-sale:
Marketable securities:
Commercial paper	$	85	$	—	$	85	$	—
Certificates of deposit/time deposits		10		—		10		—
U.S. municipal securities		46		—		—		46
Investments		25		25		—		—
Derivative instruments — assets:
Foreign currency forward/option contracts		125		—		125		—
Interest rate contracts		17		—		17		—
Liabilities:
Derivative instruments — liabilities:
Foreign currency forward/option contracts		20		—		20		—

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The following table provides a reconciliation of the beginning and ending balances of items measured at fair value on a recurring basis in the table above that used significant unobservable inputs (level 3).

	Three months ended				Nine months ended
Marketable securities — certain U.S. municipal securities only	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Beginning balance	$	37	$	49	$	46	$	40
Total gains or losses:
Included in earnings		—		—		—		—
Included in other comprehensive income		—		—		—		—
Purchases and issuances		—		—		10		9
Sales and settlements		—		—		(19)		—
Transfers in and/or out of level 3		—		—		—		—
Ending balance	$	37	$	49	$	37	$	49
Change in unrealized gains or losses for the period included in earnings for securities held at the end of the reporting period		—		—		—		—

In addition, the plan assets of 3M’s pension and postretirement benefit plans are measured at fair value on a recurring basis (at least annually). Refer to Note 13 in 3M’s 2019 Annual Report on Form 10-K.

Assets and Liabilities that are Measured at Fair Value on a Nonrecurring Basis:

Disclosures are required for certain assets and liabilities that are measured at fair value, but are recognized and disclosed at fair value on a nonrecurring basis in periods subsequent to initial recognition. For 3M, such measurements of fair value relate primarily to indefinite-lived and long-lived asset impairments, goodwill impairments, and adjustment in carrying value of equity securities for which the measurement alternative of cost less impairment plus or minus observable price changes is used. 3M reflected an immaterial charge related to impairment of certain indefinite-lived assets and a net charge of $22 million related to adjustment to the carrying value of equity securities using the measurement alternative during the first quarter of 2020. There were no material impairments of assets or adjustments to equity securities using the measurement alternative for the three months ended September 30, 2020 in addition to the three and nine months ended September 30, 2019.

Fair Value of Financial Instruments:

The Company’s financial instruments include cash and cash equivalents, marketable securities, held-to-maturity debt securities, accounts receivable, certain investments, accounts payable, borrowings, and derivative contracts. The fair values of cash equivalents, accounts receivable, held-to-maturity debt securities, accounts payable, and short-term borrowings and current portion of long-term debt approximated carrying values because of the short-term nature of these instruments. Available-for-sale marketable securities, in addition to certain derivative instruments, are recorded at fair values as indicated in the preceding disclosures. To estimate fair values (classified as level 2) for its long-term debt, the Company utilized third-party quotes, which are derived all or in part from model prices, external sources, market prices, or the third-party’s internal records. Information with respect to the carrying amounts and estimated fair values of these financial instruments follow:

	September 30, 2020				December 31, 2019
	Carrying		Fair		Carrying		Fair
(Millions)	Value		Value		Value		Value
Long-term debt, excluding current portion	$	18,429	$	20,794	$	17,518	$	18,475

The fair values reflected above consider the terms of the related debt absent the impacts of derivative/hedging activity. The carrying amount of long-term debt referenced above is impacted by certain fixed-to-floating interest rate swaps that are designated as fair value hedges and by the designation of certain fixed rate Eurobond securities issued by the Company as hedging instruments of the Company’s net investment in its European subsidiaries. A number of 3M’s fixed-rate bonds were trading at a premium at September 30, 2020 and December 31, 2019 due to lower interest rates compared to issuance levels.

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NOTE 14. Commitments and Contingencies

Legal Proceedings:

The Company and some of its subsidiaries are involved in numerous claims and lawsuits, principally in the United States, and regulatory proceedings worldwide. These claims, lawsuits and proceedings include, but are not limited to, products liability (involving products that the Company now or formerly manufactured and sold), intellectual property, commercial, antitrust, federal False Claims Act, securities, and state and federal environmental laws. Unless otherwise stated, the Company is vigorously defending all such litigation and proceedings. From time to time, the Company also receives subpoenas or requests for information from various government agencies. The Company generally responds to such subpoenas and requests in a cooperative, thorough and timely manner. These responses sometimes require time and effort and can result in considerable costs being incurred by the Company. Such subpoenas and requests can also lead to the assertion of claims or the commencement of administrative, civil or criminal legal proceedings against the Company and others, as well as to settlements. The outcomes of legal proceedings and regulatory matters are often difficult to predict. Any determination that the Company’s operations or activities are not, or were not, in compliance with applicable laws or regulations could result in the imposition of fines, civil or criminal penalties, and equitable remedies, including disgorgement, suspension or debarment or injunctive relief. Additional information about the Company’s process for disclosure and recording of liabilities and insurance receivables related to legal proceedings can be found in Note 16 “Commitments and Contingencies” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019.

The following sections first describe the significant legal proceedings in which the Company is involved, and then describe the liabilities and associated insurance receivables the Company has accrued relating to its significant legal proceedings.

Respirator Mask/Asbestos Litigation

As of September 30, 2020, the Company is a named defendant, with multiple co-defendants, in numerous lawsuits in various courts that purport to represent approximately 1,884 individual claimants, compared to approximately 1,727 individual claimants with actions pending on December 31, 2019.

The vast majority of the lawsuits and claims resolved by and currently pending against the Company allege use of some of the Company’s mask and respirator products and seek damages from the Company and other defendants for alleged personal injury from workplace exposures to asbestos, silica, coal mine dust or other occupational dusts found in products manufactured by other defendants or generally in the workplace. A minority of the lawsuits and claims resolved by and currently pending against the Company generally allege personal injury from occupational exposure to asbestos from products previously manufactured by the Company, which are often unspecified, as well as products manufactured by other defendants, or occasionally at Company premises.

The Company’s current volume of new and pending matters is substantially lower than it experienced at the peak of filings in 2003. The Company expects that filing of claims by unimpaired claimants in the future will continue to be at much lower levels than in the past. Accordingly, the number of claims alleging more serious injuries, including mesothelioma, other malignancies, and black lung disease, will represent a greater percentage of total claims than in the past. Over the past twenty plus years, the Company has prevailed in fourteen of the fifteen cases tried to a jury (including the lawsuits in 2018 described below). In 2018, 3M received a jury verdict in its favor in two lawsuits – one in California state court in February and the other in Massachusetts state court in December – both involving allegations that 3M respirators were defective and failed to protect the plaintiffs against asbestos fibers. In April 2018, a jury in state court in Kentucky found 3M’s 8710 respirators failed to protect two coal miners from coal mine dust and awarded compensatory damages and punitive damages. In August 2018, the trial court entered judgment and the Company appealed. During March and April 2019, the Company agreed in principle to settle a substantial majority of the coal mine dust lawsuits in Kentucky and West Virginia for $340 million, including the jury verdict in April 2018 in the Kentucky case mentioned above. That settlement was completed in 2019, and the appeal has been dismissed.

The Company has demonstrated in these past trial proceedings that its respiratory protection products are effective as claimed when used in the intended manner and in the intended circumstances. Consequently, the Company believes that claimants are unable to establish that their medical conditions, even if significant, are attributable to the Company’s respiratory protection products. Nonetheless, the Company’s litigation experience indicates that claims of persons alleging more serious injuries, including mesothelioma, other malignancies, and black lung disease, are costlier to resolve than the claims of unimpaired persons, and it

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therefore believes the average cost of resolving pending and future claims on a per-claim basis will continue to be higher than it experienced in prior periods when the vast majority of claims were asserted by medically unimpaired claimants.

As previously reported, the State of West Virginia, through its Attorney General, filed a complaint in 2003 against the Company and two other manufacturers of respiratory protection products in the Circuit Court of Lincoln County, West Virginia, and amended its complaint in 2005. The amended complaint seeks substantial, but unspecified, compensatory damages primarily for reimbursement of the costs allegedly incurred by the State for worker’s compensation and healthcare benefits provided to all workers with occupational pneumoconiosis and unspecified punitive damages. In October 2019, the court granted the State’s motion to sever its unfair trade practices claim. In January 2020, the manufacturers filed a petition with the West Virginia Supreme Court, challenging the trial court’s rulings; that petition was heard in September 2020. No liability has been recorded for this matter because the Company believes that liability is not probable and estimable at this time. In addition, the Company is not able to estimate a possible loss or range of loss given the lack of any meaningful discovery responses by the State of West Virginia, the otherwise minimal activity in this case, and the assertions of claims against two other manufacturers where a defendant’s share of liability may turn on the law of joint and several liability and by the amount of fault, if any, a jury may allocate to each defendant if the case were ultimately tried.

Respirator Mask/Asbestos Liabilities and Insurance Receivables

The Company regularly conducts a comprehensive legal review of its respirator mask/asbestos liabilities. The Company reviews recent and historical claims data, including without limitation, (i) the number of pending claims filed against the Company, (ii) the nature and mix of those claims (i.e., the proportion of claims asserting usage of the Company’s mask or respirator products and alleging exposure to each of asbestos, silica, coal or other occupational dusts, and claims pleading use of asbestos-containing products allegedly manufactured by the Company), (iii) the costs to defend and resolve pending claims, and (iv) trends in filing rates and in costs to defend and resolve claims, (collectively, the “Claims Data”). As part of its comprehensive legal review, the Company regularly provides the Claims Data to a third party with expertise in determining the impact of Claims Data on future filing trends and costs. The third party assists the Company in estimating the costs to defend and resolve pending and future claims. The Company uses these estimates to develop its best estimate of probable liability.

Developments may occur that could affect the Company’s estimate of its liabilities. These developments include, but are not limited to, significant changes in (i) the key assumptions underlying the Company’s accrual, including, the number of future claims, the nature and mix of those claims, the average cost of defending and resolving claims, and in maintaining trial readiness (ii) trial and appellate outcomes, (iii) the law and procedure applicable to these claims, and (iv) the financial viability of other co-defendants and insurers.

As a result of its review of its respirator mask/asbestos liabilities, of pending and expected lawsuits and of the cost of resolving claims of persons who claim more serious injuries, including mesothelioma, other malignancies, and black lung disease, the Company increased its accruals in the first nine months of 2020 for respirator mask/asbestos liabilities by $23 million. In the first nine months of 2020, the Company made payments for legal defense costs and settlements of $45 million related to the respirator mask/asbestos litigation. During the first quarter of 2019, the Company recorded a pre-tax charge of $313 million in conjunction with an increase in the accrual as a result of the March and April 2019 settlements-in-principle of the coal mine dust lawsuits mentioned above and the Company’s assessment of other current and expected coal mine dust lawsuits (including the costs to resolve all current and expected coal mine dust lawsuits in Kentucky and West Virginia). As of September 30, 2020, the Company had an accrual for respirator mask/asbestos liabilities (excluding Aearo accruals) of $586 million. This accrual represents the Company’s best estimate of probable loss and reflects an estimation period for future claims that may be filed against the Company approaching the year 2050. The Company cannot estimate the amount or upper end of the range of amounts by which the liability may exceed the accrual the Company has established because of the (i) inherent difficulty in projecting the number of claims that have not yet been asserted or the time period in which future claims may be asserted, (ii) the complaints nearly always assert claims against multiple defendants where the damages alleged are typically not attributed to individual defendants so that a defendant’s share of liability may turn on the law of joint and several liability, which can vary by state, (iii) the multiple factors described above that the Company considers in estimating its liabilities, and (iv) the several possible developments described above that may occur that could affect the Company’s estimate of liabilities.

As of September 30, 2020, the Company’s receivable for insurance recoveries related to the respirator mask/asbestos litigation was $4 million. The Company continues to seek coverage under the policies of certain insolvent and other insurers. Once those claims for coverage are resolved, the Company will have collected substantially all of its remaining insurance coverage for respirator mask/asbestos claims.

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Respirator Mask/Asbestos Litigation — Aearo Technologies

On April 1, 2008, a subsidiary of the Company acquired the stock of Aearo Holding Corp., the parent of Aearo Technologies (“Aearo”). Aearo manufactured and sold various products, including personal protection equipment, such as eye, ear, head, face, fall and certain respiratory protection products.

As of September 30, 2020, Aearo and/or other companies that previously owned and operated Aearo’s respirator business (American Optical Corporation, Warner-Lambert LLC, AO Corp. and Cabot Corporation (“Cabot”)) are named defendants, with multiple co-defendants, including the Company, in numerous lawsuits in various courts in which plaintiffs allege use of mask and respirator products and seek damages from Aearo and other defendants for alleged personal injury from workplace exposures to asbestos, silica-related, coal mine dust, or other occupational dusts found in products manufactured by other defendants or generally in the workplace.

As of September 30, 2020, the Company, through its Aearo subsidiary, had accruals of $20 million for product liabilities and defense costs related to current and future Aearo-related asbestos and silica-related claims. This accrual represents the Company’s best estimate of Aearo’s probable loss and reflects an estimation period for future claims that may be filed against Aearo approaching the year 2050. The accrual was reduced by $37 million during the second quarter of 2020 after paying Aearo’s share of certain settlements under the informal arrangement described below. The accrual reflects the Company’s assessment of pending and expected lawsuits, its review of its respirator mask/asbestos liabilities, and the cost of resolving claims of persons who claim more serious injuries. Responsibility for legal costs, as well as for settlements and judgments, is currently shared in an informal arrangement among Aearo, Cabot, American Optical Corporation and a subsidiary of Warner Lambert and their respective insurers (the “Payor Group”). Liability is allocated among the parties based on the number of years each company sold respiratory products under the “AO Safety” brand and/or owned the AO Safety Division of American Optical Corporation and the alleged years of exposure of the individual plaintiff.

Aearo’s share of the contingent liability is further limited by an agreement entered into between Aearo and Cabot on July 11, 1995. This agreement provides that, so long as Aearo pays to Cabot a quarterly fee of $100,000, Cabot will retain responsibility and liability for, and indemnify Aearo against, any product liability claims involving exposure to asbestos, silica, or silica products for respirators sold prior to July 11, 1995. Because of the difficulty in determining how long a particular respirator remains in the stream of commerce after being sold, Aearo and Cabot have applied the agreement to claims arising out of the alleged use of respirators involving exposure to asbestos, silica or silica products prior to January 1, 1997. With these arrangements in place, Aearo’s potential liability is limited to exposures alleged to have arisen from the use of respirators involving exposure to asbestos, silica, or silica products on or after January 1, 1997. To date, Aearo has elected to pay the quarterly fee. Aearo could potentially be exposed to additional claims for some part of the pre-July 11, 1995 period covered by its agreement with Cabot if Aearo elects to discontinue its participation in this arrangement, or if Cabot is no longer able to meet its obligations in these matters.

Developments may occur that could affect the estimate of Aearo’s liabilities. These developments include, but are not limited to: (i) significant changes in the number of future claims, (ii) significant changes in the average cost of resolving claims, (iii) significant changes in the legal costs of defending these claims, (iv) significant changes in the mix and nature of claims received, (v) trial and appellate outcomes, (vi) significant changes in the law and procedure applicable to these claims, (vii) significant changes in the liability allocation among the co-defendants, (viii) the financial viability of members of the Payor Group including exhaustion of available insurance coverage limits, and/or (ix) a determination that the interpretation of the contractual obligations on which Aearo has estimated its share of liability is inaccurate. The Company cannot determine the impact of these potential developments on its current estimate of Aearo’s share of liability for these existing and future claims. If any of the developments described above were to occur, the actual amount of these liabilities for existing and future claims could be significantly larger than the amount accrued.

Because of the inherent difficulty in projecting the number of claims that have not yet been asserted, the complexity of allocating responsibility for future claims among the Payor Group, and the several possible developments that may occur that could affect the estimate of Aearo’s liabilities, the Company cannot estimate the amount or range of amounts by which Aearo’s liability may exceed the accrual the Company has established.

Environmental Matters and Litigation

The Company’s operations are subject to environmental laws and regulations including those pertaining to air emissions, wastewater discharges, toxic substances, and the handling and disposal of solid and hazardous wastes enforceable by national, state, and local

38

authorities around the world, and private parties in the United States and abroad. These laws and regulations provide, under certain circumstances, a basis for the remediation of contamination, for capital investment in pollution control equipment, for restoration of or compensation for damages to natural resources, and for personal injury and property damage claims. The Company has incurred, and will continue to incur, costs and capital expenditures in complying with these laws and regulations, defending personal injury and property damage claims, and modifying its business operations in light of its environmental responsibilities. In its effort to satisfy its environmental responsibilities and comply with environmental laws and regulations, the Company has established, and periodically updates, policies relating to environmental standards of performance for its operations worldwide.

Under certain environmental laws, including the United States Comprehensive Environmental Response, Compensation and Liability Act of 1980 (CERCLA) and similar state laws, the Company may be jointly and severally liable, typically with other companies, for the costs of remediation of environmental contamination at current or former facilities and at off-site locations. The Company has identified numerous locations, most of which are in the United States, at which it may have some liability. Please refer to the section entitled “Environmental Liabilities and Insurance Receivables” that follows for information on the amount of the accrual for such liabilities.

Environmental Matters

As previously reported, the Company has been voluntarily cooperating with ongoing reviews by local, state, federal (primarily the U.S. Environmental Protection Agency (EPA)), and international agencies of possible environmental and health effects of various perfluorinated compounds, including perfluorooctanoate (PFOA), perfluorooctane sulfonate (PFOS), perfluorohexane sulfonate (PFHxS), or other per- and polyfluoroalkyl substances (collectively PFAS). As a result of its phase-out decision in May 2000, the Company no longer manufactures certain PFAS compounds including PFOA, PFOS, PFHxS, and their pre-cursor compounds. The Company ceased manufacturing and using the vast majority of these compounds within approximately two years of the phase-out announcement and ceased all manufacturing and the last significant use of this chemistry by the end of 2008. The Company continues to manufacture a variety of shorter chain length PFAS compounds, including, but not limited to, pre-cursor compounds to perfluorobutane sulfonate (PFBS). These compounds are used as input materials to a variety of products, including engineered fluorinated fluids, fluoropolymers and fluorelastomers, as well as surfactants, additives, and coatings. Through its ongoing life cycle management and its raw material composition identification processes associated with the Company’s policies covering the use of all persistent and bio-accumulative materials, the Company continues to review, control or eliminate the presence of certain PFAS in purchased materials or as byproducts in some of 3M’s current fluorochemical manufacturing processes, products, and waste streams.

Regulatory activities concerning PFAS continue in the United States, Europe and elsewhere, and before certain international bodies. These activities include gathering of exposure and use information, risk assessment, and consideration of regulatory approaches. As the database of studies of both PFOA and PFOS has expanded, the EPA has developed human health effects documents summarizing the available data from these studies. In February 2014, the EPA initiated external peer review of its draft human health effects documents for PFOA and PFOS. The peer review panel met in August 2014. In May 2016, the EPA announced lifetime health advisory levels for PFOA and PFOS at 70 parts per trillion (ppt) (superseding the provisional levels established by the EPA in 2009 of 400 ppt for PFOA and 200 ppt for PFOS). Where PFOA and PFOS are found together, EPA recommends that the concentrations be added together, and the lifetime health advisory for PFOA and PFOS combined is also 70 ppt. Lifetime health advisories, which are non-enforceable and non-regulatory, provide information about concentrations of drinking water contaminants at which adverse health effects are not expected to occur over the specified exposure duration. To collect exposure information under the Safe Drinking Water Act, the EPA published on May 2, 2012 a list of unregulated substances, including six PFAS chemicals, required to be monitored during the period 2013-2015 by public water system suppliers to determine the extent of their occurrence. Through January 2017, the EPA reported results for 4,920 public water supplies nationwide. Based on the 2016 lifetime health advisory, 13 public water supplies exceed the level for PFOA and 46 exceed the level for PFOS (unchanged from the July 2016 EPA summary). A technical advisory issued by EPA in September 2016 on laboratory analysis of drinking water samples stated that 65 public water supplies had exceeded the combined level for PFOA and PFOS. These results are based on one or more samples collected during the period 2012-2015 and do not necessarily reflect current conditions of these public water supplies. EPA reporting does not identify the sources of the PFOA and PFOS in the public water supplies.

The Company is continuing to make progress in its work, under the supervision of state regulators, to remediate historic disposal of PFAS-containing waste associated with manufacturing operations at its Decatur, Alabama; Cottage Grove, Minnesota; and Cordova, Illinois plants. As previously reported, the Company entered into a voluntary remedial action agreement with the Alabama Department of Environmental Management (ADEM) to remediate the presence of PFAS in the soil and groundwater at the Company’s

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manufacturing facility in Decatur, Alabama associated with the historic (1978-1998) incorporation of wastewater treatment plant sludge. With ADEM’s agreement, 3M substantially completed installation of a multilayer cap on the former sludge incorporation areas. Further remediation activities, including certain on-site and off-site investigations and studies, will be conducted in accordance with the July 2020 Interim Consent Order described below in the “Other PFAS-related Matters” section.

The Company continues to work with the Minnesota Pollution Control Agency (MPCA) pursuant to the terms of the previously disclosed May 2007 Settlement Agreement and Consent Order to address the presence of certain PFAS in the soil and groundwater at former disposal sites in Washington County, Minnesota (Oakdale and Woodbury) and at the Company’s manufacturing facility at Cottage Grove, Minnesota. Under this agreement, the Company’s principal obligations include (i) evaluating releases of certain PFAS from these sites and proposing response actions; (ii) providing treatment or alternative drinking water upon identifying any level exceeding a Health Based Value (HBV) or Health Risk Limit (HRL) (i.e., the amount of a chemical in drinking water determined by the Minnesota Department of Health (MDH) to be safe for human consumption over a lifetime) for certain PFAS for which a HBV and/or HRL exists as a result of contamination from these sites; (iii) remediating identified sources of other PFAS at these sites that are not controlled by actions to remediate PFOA and PFOS; and (iv) sharing information with the MPCA about certain perfluorinated compounds. During 2008, the MPCA issued formal decisions adopting remedial options for the former disposal sites in Washington County, Minnesota (Oakdale and Woodbury). In August 2009, the MPCA issued a formal decision adopting remedial options for the Company’s Cottage Grove manufacturing facility. During the spring and summer of 2010, 3M began implementing the agreed upon remedial options at the Cottage Grove and Woodbury sites. 3M commenced the remedial option at the Oakdale site in late 2010. At each location the remedial options were recommended by the Company and approved by the MPCA. Remediation work has been completed at the Oakdale and Woodbury sites, and they are in an operational maintenance mode. Remediation work has been substantially completed at the Cottage Grove site, with operational and maintenance activities ongoing.

In August 2014, the Illinois EPA approved a request by the Company to establish a groundwater management zone at its manufacturing facility in Cordova, Illinois, which includes ongoing pumping of impacted site groundwater, groundwater monitoring and routine reporting of results.

In May 2017, the MDH issued new HBVs for PFOA and PFOS. The new HBVs are 35 ppt for PFOA and 27 ppt for PFOS. In connection with its announcement the MDH stated that “Drinking water with PFOA and PFOS, even at the levels above the updated values, does not represent an immediate health risk. These values are designed to reduce long-term health risks across the population and are based on multiple safety factors to protect the most vulnerable citizens, which makes them overprotective for most of the residents in our state.” In December 2017, the MDH issued a new HBV for perfluorobutane sulfonate (PFBS) of 2 parts per billion (ppb). In February 2018, the MDH published reports finding no unusual rates of certain cancers or adverse birth outcomes (low birth rates or premature births) among residents of Washington and Dakota Counties in Minnesota. In April 2019, the MDH issued a new HBV for PFOS of 15 ppt and a new HBV for PFHxS of 47 ppt.

In May 2018, the EPA announced a four-step PFAS action plan, which includes evaluating the need to set Safe Drinking Water Act maximum contaminant levels (MCLs) for PFOA and PFOS and beginning the steps necessary to designate PFOA and PFOS as “hazardous substances” under CERCLA. In November 2018, the EPA asked for public comment on draft toxicity assessments for two PFAS compounds, including PFBS. In February 2019, the EPA issued a PFAS Action Plan that outlines short- and long-term actions the EPA is taking to address PFAS – actions that include developing a national drinking water determination for PFOA and PFOS, strengthening enforcement authorities and evaluating cleanup approaches, nationwide drinking water monitoring for PFAS, expanding scientific knowledge for understanding and managing risk from PFAS, and developing consistent risk communication tools for communicating with other agencies and the public. With respect to groundwater contaminated with PFOA and PFOS, the EPA issued interim recommendations in December 2019, providing guidance for screening levels and preliminary remediation goals for groundwater that is a current or potential drinking water source, to inform final clean-up levels of contaminated sites. In February 2020, the EPA provided notice and requested public comment on certain preliminary determinations to regulate PFOA and PFOS under the Safe Drinking Water Act (SDWA). In June 2020, 3M submitted comments on EPA’s preliminary determinations to regulate PFOA and PFOS under the SDWA.

EPA announced in its Spring 2020 Regulatory Agenda, released in June 2020, that it intended to publish a notice of proposed rulemaking to designate PFOA and PFOS as hazardous substances under CERCLA in August 2020. EPA has not published this notice of proposed rulemaking.

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The U.S. Agency for Toxic Substances and Disease Registry (ATSDR) within the Department of Health and Human Services released a draft Toxicological Profile for PFAS for public review and comment in June 2018. In the draft report, ATSDR proposed draft minimal risk levels (MRLs) for PFOS, PFOA and several other PFAS. An MRL is an estimate of the daily human exposure to a hazardous substance that is likely to be without appreciable risk of adverse non-cancer health effects over a specified duration of exposure. MRLs are not intended to define cleanup or action levels for ATSDR or other agencies. In August 2018, 3M submitted comments on the ATSDR proposal, noting that there are major shortcomings with the current draft, especially with the MRLs, and that the ATSDR’s profile must reflect the best science and full weight of evidence known about these chemicals.

Several state legislatures and state agencies have been evaluating or have taken actions related to cleanup standards, groundwater values or drinking water values for PFOS, PFOA, and other PFAS, and 3M has submitted various responsive comments. In September 2019, 3M and several other parties filed a lawsuit in New Hampshire state court to enjoin PFAS regulations in New Hampshire. In November 2019, the court issued a preliminary injunction preventing the regulations from being enforced. In April 2020, the New Hampshire Supreme Court agreed to review several issues related to the preliminary injunctive order. In July 2020, the governor signed a bill passed by the New Hampshire legislature setting the same drinking water standards that had been enjoined by the court.

Vermont finalized drinking water standards for a combination of PFOA, PFOS and three other PFAS in March 2020. New Jersey finalized drinking water standards and designated PFOA and PFOS as hazardous substances in June 2020. New York established drinking water standards for PFOA and PFOS in July 2020. Michigan implemented final drinking water standards for certain PFAS, including PFOS and PFOA, in August 2020. Massachusetts published final regulations establishing a drinking water standard relating to six combined PFAS in October 2020. Some other states have also been evaluating or have taken actions relating to PFOA, PFOS and other PFAS in products such as food packaging, carpets and other products.

In October 2020, 3M and several other parties filed notices of appeal in the appellate division of the Superior Court of New Jersey to challenge the validity of the New Jersey PFOS and PFOA regulations.

The Company cannot predict what additional regulatory actions arising from the foregoing or other proceedings and activities, if any, may be taken regarding such compounds or the consequences of any such actions.

Litigation Related to Historical PFAS Manufacturing Operations in Alabama

As previously reported, a former employee filed a putative class action lawsuit against 3M, BFI Waste Management Systems of Alabama, and others in the Circuit Court of Morgan County, Alabama (the “St. John” case), seeking property damage from exposure to certain perfluorochemicals at or near the Company’s Decatur, Alabama, manufacturing facility. The parties have agreed to continue to stay the St. John case through December 2020, pending ongoing mediation between the parties involved in this case and another case discussed below. Two additional putative class actions filed in the same court by certain residents in the vicinity of the Decatur plant seeking relief on similar grounds (the Chandler case and the Stover case, respectively) are stayed pending the resolution of class certification issues in the St. John case.

In October 2015, West Morgan-East Lawrence Water & Sewer Authority (Water Authority) filed an individual complaint against 3M Company, Dyneon, L.L.C, and Daikin America, Inc., in the U.S. District Court for the Northern District of Alabama. The complaint also includes representative plaintiffs who brought the complaint on behalf of themselves, and a class of all owners and possessors of property who use water provided by the Water Authority and five local water works to which the Water Authority supplies water (collectively, the “Water Utilities”). The complaint seeks compensatory and punitive damages and injunctive relief based on allegations that the defendants’ chemicals, including PFOA and PFOS from their manufacturing processes in Decatur, have contaminated the water in the Tennessee River at the water intake, and that the chemicals cannot be removed by the water treatment processes utilized by the Water Authority. In April 2019, 3M and the Water Authority settled the lawsuit for $35 million, which will fund a new water filtration system, with 3M indemnifying the Water Authority from liability resulting from the resolution of the currently pending and future lawsuits against the Water Authority alleging liability or damages related to 3M PFAS. The putative class claims brought by the representative plaintiffs who were supplied drinking water by the Water Authority (the “Lindsey” case) remain. The parties are in active discussions regarding a negotiated resolution, and the case is currently stayed.

In June 2016, the Tennessee Riverkeeper, Inc. (Riverkeeper), a non-profit corporation, filed a lawsuit in the U.S. District Court for the Northern District of Alabama against 3M; BFI Waste Systems of Alabama; the City of Decatur, Alabama; and the Municipal Utilities Board of Decatur, Morgan County, Alabama. The complaint alleges that the defendants violated the Resource Conservation and

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Recovery Act in connection with the disposal of certain PFAS through their ownership and operation of their respective sites. The complaint further alleges such practices may present an imminent and substantial endangerment to health and/or the environment and that Riverkeeper has suffered and will continue to suffer irreparable harm caused by defendants’ failure to abate the endangerment unless the court grants the requested relief, including declaratory and injunctive relief. This case has been stayed through December 2020, pending ongoing mediation between the parties in conjunction with the St. John case.

In August 2016, a group of over 200 plaintiffs filed a putative class action against West Morgan-East Lawrence Water and Sewer Authority (Water Authority), 3M, Dyneon, Daikin, BFI, and the City of Decatur in state court in Lawrence County, Alabama (the “Billings” case). Plaintiffs are residents of Lawrence, Morgan and other counties who are or have been customers of the Water Authority. They contend defendants have released PFAS that contaminate the Tennessee River and, in turn, their drinking water, causing damage to their health and properties. In January 2017, the court in the St. John case, discussed above, stayed this litigation pending resolution of the St. John case.

In January 2017, several hundred plaintiffs sued 3M, Dyneon and Daikin America in Lawrence and Morgan Counties, Alabama (the “Owens” case). The plaintiffs are owners of property, residents, and holders of property interests who receive their water from the West Morgan-East Lawrence Water and Sewer Authority (Water Authority). They assert common law claims for negligence, nuisance, trespass, wantonness and battery, and they seek injunctive relief and punitive damages. The plaintiffs contend that the defendants own and operate manufacturing and disposal facilities in Decatur that have released and continue to release PFOA, PFOS and related chemicals into the groundwater and surface water of their sites, resulting in discharges into the Tennessee River. The plaintiffs contend that, as a result of the alleged discharges, the water supplied by the Water Authority to the plaintiffs was, and is, contaminated with PFOA, PFOS and related chemicals at a level dangerous to humans. The court denied a motion by co-defendant Daikin to stay this case pending resolution of the St. John case, and the case is progressing through discovery.

In November 2017, a putative class action (the “King” case) was filed against 3M, Dyneon, Daikin America and the West Morgan-East Lawrence Water and Sewer Authority (Water Authority) in the U.S. District Court for the Northern District of Alabama. The plaintiffs are residents of Lawrence and Morgan County, Alabama who receive their water from the Water Authority and seek injunctive relief, attorneys’ fees, compensatory and punitive damages for their alleged personal injuries. The plaintiffs contend that the defendants own and operate manufacturing and disposal facilities in Decatur, Alabama that have released and continue to release PFOA, PFOS and related chemicals into the groundwater and surface water of their sites, resulting in discharges into the Tennessee River. The plaintiffs contend that, as a result of the alleged discharges, the water supplied by the Water Authority to the plaintiffs was, and is, contaminated with PFOA, PFOS and related chemicals at a level dangerous to humans. In November 2019, the King plaintiffs amended their complaint to withdraw all class allegations, dismiss the Water Authority as a defendant and add 24 new individual plaintiffs (for a total of 59 plaintiffs). Discovery in this case is proceeding.

In July 2019, 3M announced that it had initiated an investigation into the possible presence of PFAS in three closed municipal landfills in Decatur that accepted waste from 3M’s Decatur plant and other companies in the 1960s through the 1980s. 3M is working with local and state entities as it conducts its investigation and will report the results and recommended remedial action, if any, to those entities and the public. 3M is also defending or has received notice of potential lawsuits in state and federal court brought by individual property owners who claim damages related to historical PFAS disposal at former area landfills near their properties. 3M has resolved for an immaterial amount some of the claims brought by property owners.

In September 2020, the City of Guin Water Works and Sewer Board (Guin WWSB) brought a lawsuit against 3M in Alabama state court, alleging that PFAS contamination in the Guin water system stems from manufacturing operations at 3M’s Guin facility and disposal activity at a nearby landfill. In this same month, Guin WWSB dismissed its lawsuit without prejudice and is working with 3M to further investigate the presence of chemicals in the area.

Litigation Related to Historical PFAS Manufacturing Operations in Minnesota

In July 2016, the City of Lake Elmo filed a lawsuit in the U.S. District Court for the District of Minnesota against 3M alleging that the City suffered damages from drinking water supplies contaminated with PFAS, including costs to construct alternative sources of drinking water. In April 2019, 3M and the City of Lake Elmo agreed to settle the lawsuit for less than $5 million.

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State Attorneys General Litigation related to PFAS

Minnesota. In December 2010, the State of Minnesota, by its Attorney General, filed a lawsuit in Hennepin County District Court against 3M seeking damages and injunctive relief with respect to the presence of PFAS in the groundwater, surface water, fish or other aquatic life, and sediments in the state of Minnesota (the “NRD Lawsuit”). In February 2018, 3M and the State of Minnesota reached a resolution of the NRD Lawsuit. Under the terms of the settlement, 3M agreed to provide an $850 million grant to the State for a special “3M Water Quality and Sustainability Fund.” This Fund, which is administered by the State, will enable projects that support water sustainability in the Twin Cities East Metro region, such as continued delivery of water to residents and enhancing groundwater recharge to support sustainable growth. Other purposes of the grant include habitat and recreation improvements, such as fishing piers, trails, and open space preservation. 3M recorded a pre-tax charge of $897 million, inclusive of legal fees and other related obligations, in the first quarter of 2018 associated with the resolution of this matter.

In connection with the above referenced settlement, the Minnesota Pollution Control Agency and the Department of Natural Resources, as co-trustees of the Fund, released in September 2020 a conceptual drinking water supply plan for the communities in the East Metro area, seeking public comment on three recommended options for utilizing the Fund.

New York. The State of New York, by its Attorney General, has filed four lawsuits (in June 2018, February 2019, July 2019, and November 2019) against 3M and other defendants seeking to recover the costs incurred in responding to PFAS contamination allegedly caused by Aqueous Film Forming Foam (AFFF) manufactured by 3M and others. Each of the four suits was filed in Albany County Supreme Court before being removed to federal court, and each has been transferred to the multi-district litigation (MDL) proceeding for AFFF cases, which is discussed further below. The state is seeking compensatory and punitive damages, and injunctive and equitable relief in the form of a monetary fund for the State’s reasonably expected future damages, and/or requiring defendants to perform investigative and remedial work.

Ohio. In December 2018, the State of Ohio, by its Attorney General, filed a lawsuit in the Common Pleas Court of Lucas County, Ohio against 3M, Tyco Fire Products LP, Chemguard, Inc., Buckeye Fire Equipment Co., National Foam, Inc., and Angus Fire Armour Corp., seeking injunctive relief and compensatory and punitive damages for remediation costs and alleged injury to Ohio natural resources from AFFF manufacturers. This case was removed to federal court and transferred to the MDL.

New Jersey. In March 2019, the New Jersey Attorney General filed two actions against 3M, DuPont, and Chemours on behalf of the New Jersey Department of Environmental Protection (NJDEP), the NJDEP’s commissioner, and the New Jersey Spill Compensation Fund regarding alleged discharges at two DuPont facilities in Pennsville, New Jersey (Salem County) and Parlin, New Jersey (Middlesex County). 3M is included as a defendant in both cases because it allegedly supplied PFOA to DuPont for use at the facilities at issue. Both cases expressly seek to have the defendants pay all costs necessary to investigate, remediate, assess, and restore the affected natural resources of New Jersey. DuPont removed these cases to federal court. In August 2019, the court stayed all proceedings in these actions pending a ruling on NJDEP’s motions to remand the cases to state court. In April 2020, the federal court denied the state’s motion to remand. In June 2020, the court entered a consent order lifting the stay and consolidating the two actions, along with two others brought by the NJDEP relating to the DuPont facilities, for case management and pretrial purposes. The case is in early stages of litigation.

In May 2019, the New Jersey Attorney General and NJDEP filed a lawsuit against 3M, DuPont, and six other companies, alleging natural resource damages from AFFF products and seeking damages, including punitive damages, and associated fees. This case was removed to federal court and transferred to the AFFF MDL.

New Hampshire. In May 2019, the New Hampshire Attorney General filed two lawsuits alleging contamination of the state’s drinking water supplies and other natural resources by PFAS chemicals. The first lawsuit was filed against 3M and seven co-defendants, alleging PFAS contamination resulting from the use of AFFF products at several sites around the state. This case was removed to federal court and transferred to the AFFF MDL. The second suit asserts PFAS contamination from non-AFFF sources and names 3M, DuPont, and Chemours as defendants. This suit remains in state court in early stages of litigation. In its June 2020 ruling on defendants’ motions to dismiss, the court dismissed the state’s trespass claim, but allowed several claims to proceed. In October 2020, the court allowed the state to file an amended complaint.

Vermont. In June 2019, the Vermont Attorney General filed two lawsuits alleging contamination of the state’s drinking water supplies and other natural resources by PFAS chemicals. The first lawsuit was filed against 3M and ten co-defendants, alleging PFAS

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contamination resulting from the use of AFFF products at several sites around the state. This case was removed to federal court and transferred to the AFFF MDL. The second suit asserts PFAS contamination from non-AFFF sources and names 3M and several entities related to DuPont and Chemours as defendants. This suit is proceeding in state court. In May 2020, the court denied the defendants’ motion to dismiss, but dismissed the state’s trespass claim as to property the state does not own. The parties are now engaged in discovery.

Michigan. In May 2019, the Michigan Attorney General issued a request for proposal seeking outside legal expertise in pursuing claims against manufacturers, distributors, and other parties related to PFAS. In January 2020, the Michigan Attorney General filed a lawsuit in state court against 3M, Dyneon, DuPont, Chemours and others seeking injunctive and equitable relief and damages for alleged injury to Michigan public natural resources and its residents relating to PFAS. The defendants filed motions to dismiss, and 3M’s motion was denied in August 2020. In August 2020, the Michigan Attorney General filed two lawsuits against numerous AFFF manufacturers and distributors, and suppliers of PFAS to AFFF manufacturers. 3M is named a defendant in one of the lawsuits, filed in federal court, and the case has been transferred to the AFFF MDL, where it remains in early stages of litigation.

Guam. In September 2019, the Attorney General of Guam filed a lawsuit against 3M and other defendants relating to contamination of the territory’s drinking water supplies and other natural resources by PFAS, allegedly resulting from the use of AFFF products at several sites around the island. This lawsuit has been removed to federal court and transferred to the AFFF MDL.

Commonwealth of Northern Mariana Islands. In December 2019, the Attorney General of the Commonwealth of Northern Mariana Islands, a U.S. territory, filed a lawsuit against 3M and other defendants relating to contamination of the territory’s drinking water supplies and other natural resources by PFAS, allegedly resulting from the use of AFFF products. This lawsuit has been removed to federal court and transferred to the AFFF MDL.

In addition to the above state attorneys general actions, the Company is in discussions with several state attorneys general and agencies, responding to information and other requests relating to PFAS matters and exploring potential resolution of some of the matters raised.

Aqueous Film Forming Foam (AFFF) Environmental Litigation

3M manufactured and marketed AFFF for use in firefighting at airports and military bases from approximately 1963 to 2002. As of September 30, 2020, 784 lawsuits (including 26 putative class actions) have been filed against 3M (along with other defendants) in various state and federal courts where current or former airports, military bases, or fire training facilities are or were located. As previously noted, some of these cases have been brought by state or territory attorneys general. In most of these cases, plaintiffs typically allege that certain PFAS used in AFFF contaminated the soil and groundwater where AFFF was used and seek damages for alleged injuries such as loss of use and enjoyment of properties, diminished property values, investigation costs, remediation costs, personal injury and/or funds for medical monitoring. 278 cases filed since October 2019 have been brought by current or former firefighters who claim to have suffered personal injury as a result of exposure to AFFF while using the product. The United States, the U.S. Department of Defense and several companies have been sued along with 3M, including but not limited to Ansul Co. (acquired by Tyco, Inc.), Angus Fire, Buckeye Fire Protection Co., Chemguard, Chemours, DuPont, National Foam, Inc., and United Technologies Corp.

In December 2018, the U.S. Judicial Panel on Multidistrict Litigation (JPML) granted motions to transfer and consolidate all AFFF cases pending in federal courts to the U.S. District Court for the District of South Carolina to be managed in an MDL proceeding to centralize pre-trial proceedings. Additional AFFF cases continue to be transferred into the MDL as they are filed or removed to federal court. As of September 30, 2020, there were 783 cases in the MDL, 770 of which name 3M as a defendant. The parties in the MDL are currently in the process of conducting discovery.

In June 2019, several subsidiaries of Valero Energy Corporation, an independent petroleum refiner, filed eight AFFF cases against 3M and other defendants, including DuPont/Chemours, National Foam, Buckeye Fire Equipment, and Kidde-Fenwal, in various state courts. Plaintiffs seek damages that allegedly have been or will be incurred in investigating and remediating PFAS contamination at their properties and replacing or disposing of AFFF products containing long-chain PFAS. Two of these cases have been removed to federal court and transferred to the AFFF MDL. Five cases remain pending in state courts where they are in early stages of litigation, after Valero dismissed its Ohio state court action without prejudice in October 2019. The parties in the state court cases have agreed to stay all five cases through November 2020.

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Two subsidiaries of Husky Energy filed suit in April 2020 against 3M and other AFFF manufacturers in Wisconsin state court relating to alleged PFAS contamination from AFFF use at Husky facilities in Superior, Wisconsin and Lima, Ohio. The parties have entered into a tolling agreement deferring further action on the plaintiffs’ claims. The plaintiffs filed a notice of dismissal without prejudice in September 2020.

As of September 30, 2020, the Company was named in nine other AFFF lawsuits filed by plaintiffs in state courts against the Company and other defendants, including three cases in which the Company was served (one in each of Arizona, California and Missouri).

Other PFAS-related Product and Environmental Litigation

3M manufactured and sold products containing various PFOA and PFOS, including Scotchgard, for several decades. Starting in 2017, 3M has been served with individual and putative class action complaints in various state and federal courts alleging, among other things, that 3M’s customers’ improper disposal of PFOA and PFOS resulted in the contamination of groundwater or surface water. The plaintiffs in these cases generally allege that 3M failed to warn its customers about the hazards of improper disposal of the product. They also generally allege that contaminated groundwater has caused various injuries, including personal injury, loss of use and enjoyment of their properties, diminished property values, investigation costs, and remediation costs. Several companies have been sued along with 3M, including Saint-Gobain Performance Plastics Corp., Honeywell International Inc. f/k/a Allied-Signal Inc. and/or AlliedSignal Laminate Systems, Inc., Wolverine World Wide Inc., Georgia-Pacific LLC, E.I. DuPont De Nemours and Co., Chemours Co., and various carpet manufacturers.

In New York, 3M is defending 41 individual cases and one putative class action filed in the U.S. District Court for the Northern District of New York and four additional cases filed in New York state court against 3M, Saint-Gobain Performance Plastics Corp. (Saint-Gobain), Honeywell International Inc. and E.I. DuPont De Nemours and Co. (DuPont). The plaintiffs allege that 3M manufactured and sold PFOA that was used for manufacturing purposes at Saint-Gobain’s and Honeywell’s facilities located in the Village of Hoosick Falls and the Town of Hoosick. The plaintiffs claim that the drinking water around Hoosick Falls became contaminated with unsafe levels of PFOA due to the activities of the defendants and allege that they suffered bodily injury due to the ingestion and inhalation of PFOA. The plaintiffs seek unstated compensatory, consequential, and punitive damages, as well as attorneys’ fees and costs. 3M has answered the complaints in these cases, which are now proceeding through discovery. The plaintiffs in the putative class action have moved for class certification. 3M is also defending eight additional cases in New York filed by Nassau County drinking water providers in the U.S. District Court for the Eastern District of New York. The plaintiffs in these cases allege that 3M, DuPont, and additional unnamed defendants are responsible for the contamination of plaintiffs’ water supply sources with various PFAS compounds. DuPont’s motion to transfer these cases to the AFFF MDL was denied in March 2020. These cases are in the preliminary stages of litigation.

In Michigan, one consolidated putative class action is pending in the U.S. District Court for the Western District of Michigan against 3M and Wolverine World Wide (Wolverine) and other defendants. The action arises from Wolverine’s allegedly improper disposal of materials and wastes, including 3M Scotchgard, related to Wolverine’s shoe manufacturing operations. Plaintiffs allege Wolverine used 3M Scotchgard in its manufacturing process and that chemicals from 3M’s product contaminated the environment and drinking water sources after disposal. In addition to the consolidated federal court putative class action, as of September 30, 2020, 3M has been named as a defendant in approximately 270 private individual actions in Michigan state court based on similar allegations. These cases are coordinated for pre-trial purposes. Four of these cases were selected for bellwether trials in 2020. In January 2020, the court issued the first round of dispositive motion rulings related to the first two bellwether cases, including dismissing the second bellwether case entirely and dismissing certain plaintiffs’ medical monitoring and risk of future disease claims, and granting summary judgment to the defendants on one plaintiff’s cholesterol injury claims. The parties settled the first bellwether case in early 2020. In June 2020, the court denied the plaintiffs’ motion to reconsider the dismissal of the second bellwether case, and the plaintiffs have appealed the decision to the state appellate court. The court has since allowed the addition of another bellwether case. The first of the three bellwether trials is scheduled to begin in March 2021. The parties have engaged in mediation discussions in both the putative class action and the state court mass action cases.

Wolverine also filed a third-party complaint against 3M in a suit by the State of Michigan and intervenor townships that seeks to compel Wolverine to investigate and address contamination associated with its historic disposal activity. 3M filed an answer and counterclaims to Wolverine’s third-party complaint in June 2019. In September and October 2019, the parties (including 3M as third-

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party defendant) engaged in mediation. In December 2019, the State of Michigan, the intervening townships, and Wolverine announced that they had tentatively resolved the State and townships’ claims against Wolverine in exchange for a $70 million payment and certain future remediation measures by Wolverine. In February 2020, the court approved a Consent Decree that memorializes Wolverine’s ongoing remediation obligations and the State’s and intervening townships’ covenants not to bring further lawsuits as to the remediated area. 3M has been formally designated as a “Contributing Party,” and as such, the State’s and townships’ covenants will also apply to 3M. In February 2020, 3M and Wolverine executed an agreement to resolve the legal claims between the two companies. Pursuant to the agreement, 3M made a one-time financial contribution of $55 million in March 2020 to support Wolverine’s past and ongoing efforts to address PFAS remediation under Wolverine’s Consent Decree with the State and the townships. This amount was part of 3M’s charge taken in the fourth quarter of 2019 as discussed below in the “Environmental Liabilities and Insurance Receivables” section.

3M is also a defendant, together with Georgia-Pacific as co-defendant, in a putative class action in federal court in Michigan brought by residents of Parchment, who allege that the municipal drinking water is contaminated from waste generated by a paper mill owned by Georgia-Pacific’s corporate predecessor. The defendants have moved to dismiss certain claims in the complaint, and the parties have begun discovery on the remaining claims. As a result of discussions among Georgia-Pacific, 3M and municipalities near Parchment, Georgia-Pacific and 3M have agreed to contribute to a fund of approximately $5 million to provide expanded municipal water service in the area.

In Alabama and Georgia, 3M, together with multiple co-defendants, is defending four state court cases, including three brought by municipal water utilities, relating to 3M’s sale of PFAS-containing products to carpet manufacturers in Georgia. The plaintiffs in these cases allege that the carpet manufacturers improperly discharged PFAS into the surface water and groundwater, contaminating drinking water supplies of cities located downstream along the Coosa River, including Rome, Georgia and Centre and Gadsden, Alabama. The three water utility cases remain in the early stages of litigation. One state court case was brought by individuals asserting PFAS contamination by the Georgia carpet manufacturers and seeking economic damages and injunctive relief on behalf of a putative class of Rome and Floyd County water subscribers. This case has been removed to federal court where it remains in the early stages of litigation.

In California, 3M and other defendants are defending an action brought in federal court by Golden State Water Company, alleging PFAS contamination of certain wells located in its water systems. The case is in early stages of litigation.

In Delaware, 3M, together with several co-defendants, is defending one putative class action brought by individuals alleging PFAS contamination of their water supply resulting from the operations of local metal plating facilities. Plaintiffs allege that 3M supplied PFAS to the metal plating facilities. DuPont, Chemours, and the metal platers have also been named as defendants. This case has been removed from state court to federal court, and plaintiffs have withdrawn its motion to remand to state court and filed an amended complaint. 3M has filed a motion to dismiss the amended complaint.

In New Jersey, 3M is a co-defendant in an action brought in federal court by Middlesex Water Company, alleging PFAS contamination of its water wells. 3M’s motion to transfer the case to the AFFF MDL was denied. 3M has moved to dismiss the complaint, and the case is currently in discovery. In addition, 3M, together with several co-defendants, is defending a case brought in state court by multiple individuals with private drinking water wells near DuPont and Solvay facilities that were allegedly supplied with PFAS by 3M. Plaintiffs seek medical monitoring and damages. This case has been removed to federal court, and 3M has filed a motion to dismiss. 3M and other defendants are also defending two federal court cases brought by individuals who live near the DuPont and Solvay facilities, alleging personal injury caused by PFAS exposure. Those cases are in early stages of litigation. In September 2020, a federal court case was filed against 3M and other defendants on behalf of the Borough of Hopatcong, alleging general PFAS contamination of its public water supply.

In October 2018, 3M and other defendants, including DuPont and Chemours, were named in a putative class action in the U.S. District Court for the Southern District of Ohio brought by the named plaintiff, a firefighter allegedly exposed to PFAS chemicals through his use of firefighting foam, purporting to represent a putative class of all U.S. individuals with detectable levels of PFAS in their blood. The plaintiff brings claims for negligence, battery, and conspiracy and seeks injunctive relief, including an order “establishing an independent panel of scientists” to evaluate PFAS. 3M and other entities jointly filed a motion to dismiss in February 2019. In September 2019, the court denied the defendants’ motion to dismiss. In February 2020, the court denied 3M’s motion to transfer the case to the AFFF MDL.

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In West Virginia, 3M and other defendants are defending a state court action brought by Weirton Area Water Board that alleges PFAS contamination of local water supplies. This case has been removed to federal court, where 3M has moved to dismiss the case, which remains in early stages of litigation.

Other PFAS-related Matters

In July 2019, the Company received a written request from the Subcommittee on Environment of the Committee on Oversight and Reform, U.S. House of Representatives, seeking certain documents and information relating to the Company’s manufacturing and distribution of PFAS products. In September 2019, a 3M representative testified before and responded to questions from the Subcommittee on Environment with respect to PFAS and the Company’s environmental stewardship initiatives. The Company continues to cooperate with the Subcommittee.

The Company operates under a 2009 consent order issued under the federal Toxic Substances Control Act (TSCA) (the “2009 TSCA consent order”) for the manufacture and use of two perfluorinated materials (FBSA and FBSEE) at its Decatur, Alabama site that does not permit release of these materials into “the waters of the United States.” In March 2019, the Company halted the manufacture, processing, and use of these materials at the site upon learning that these materials may have been released from certain specified processes at the Decatur site into the Tennessee River. In April 2019, the Company voluntarily disclosed the releases to the U.S. Environmental Protection Agency (EPA) and the Alabama Department of Environmental Management (ADEM). During June and July 2019, the Company took steps to fully control the aforementioned processes by capturing all wastewater produced by the processes and by treating all air emissions. These processes have been back on-line and in operation since July 2019. The Company continues to cooperate with the EPA and ADEM in their investigations and will work with the regulatory authorities to demonstrate compliance with the release restrictions.

The Company is authorized to discharge wastewater from its Decatur plant pursuant to the terms of a Clean Water Act National Pollutant Discharge Elimination System (NPDES) permit issued by ADEM. The NPDES permit requires the Company to report on a monthly and quarterly basis the quality and quantity of pollutants discharged to the Tennessee River. In June 2019, the Company voluntarily disclosed to the EPA and ADEM that it had included incorrect values in certain of its monthly and quarterly reports. The Company has submitted the corrected values to both the EPA and ADEM.

As part of ongoing work with the EPA and ADEM to address compliance matters at the Decatur facility, the Company discovered it had not fully characterized its PFAS discharge in its NPDES permit. In September 2019, the Company disclosed the matter to the EPA and ADEM and announced that it had elected to temporarily idle certain other manufacturing processes at 3M Decatur. The Company is reviewing its operations at the plant, has installed wastewater treatment controls and has restarted idled processes.

As a result of the Company’s discussions with ADEM to address these and other related matters in the state of Alabama, 3M and ADEM have agreed to the terms of an interim Consent Order in July 2020 to cover all PFAS-related wastewater discharges and air emissions from the Company’s Decatur facility. Under the interim Consent Order, the Company’s principal obligations include commitments related to (i) future ongoing site operations such as (a) providing certain notices or reports and performing various analytical and characterization studies and (b) future capital improvements; and (ii) remediation activities, including certain on-site and off-site investigations and studies. Obligations related to ongoing future site operations under the Consent Order will involve additional operating costs and capital expenditures over multiple years. The Company does not expect them to have a material impact on its consolidated results of operations or financial position. With respect to remediation activities, financial obligations related to certain activities under the Consent Order are probable and estimable, and are included in the Company’s accruals for “other environmental liabilities” as described in the “Environmental Liabilities and Insurance Receivables” section below. As offsite investigation activities continue, additional remediation amounts may become probable and estimable in the future.

In December 2019, the Company received a grand jury subpoena from the U.S. Attorney’s Office for the Northern District of Alabama for documents related to, among other matters, the Company’s compliance with the 2009 TSCA consent order and unpermitted discharges to the Tennessee River. The Company is cooperating with this inquiry and is producing documents in response to the subpoena.

In addition, as part of its ongoing evaluation of regulatory compliance at its Cordova, Illinois facility, the Company discovered it had not fully characterized its PFAS discharge in its NPDES permit for the Cordova facility. In November 2019, the Company disclosed

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this matter to the EPA, and in January 2020 disclosed this matter to the Illinois Environmental Protection Agency (IEPA). The Company continues to work with the EPA and IEPA to address these issues from the Cordova facility.

The Company is also reviewing operations at its other plants with similar manufacturing processes, such as the plant in Cottage Grove, Minnesota, to ensure those operations are in compliance with applicable environmental regulatory requirements and Company policies and procedures. As a result of these reviews, the Company discovered it had not fully characterized its PFAS discharge in its NPDES permit for the Cottage Grove facility. In March 2020, the Company disclosed this matter to the Minnesota Pollution Control Agency (MPCA) and the EPA. In July 2020, the Company received an information request from MPCA for documents and information related to, among other matters, the Company’s compliance with the Clean Water Act at its Cottage Grove facility. The Company is cooperating with this inquiry and is producing documents and information in response to the request for information. The Company continues to work with the MPCA and EPA to address the discharges from the Cottage Grove facility.

Separately, in June 2020, the Company reported to EPA and MPCA that it had not fully complied with elements of the inspection, characterization and waste stream profile verification process of the Waste and Feedstream Analysis Plan (WAP/FAP) of its Resource Conservation and Recovery Act (RCRA) permit for its Cottage Grove incinerator. In July 2020, the Company received an information request from MPCA related to the June 2020 disclosure, to which the Company responded in September 2020. The Company continues to work with the MPCA to address WAP/FAP implementation issues disclosed in June 2020.

In February 2020, the Company received an information request from EPA for documents and information related to, among other matters, the Company’s compliance with the Clean Water Act at its facilities that manufacture, process and use PFAS, including the Decatur, Cordova and Cottage Grove facilities. The Company is cooperating with this inquiry and is producing documents and information in response to the request for information.

The Company will continue to work with relevant state and federal agencies as it conducts these reviews. The Company cannot predict at this time the outcomes of resolving these compliance matters or what potential actions may be taken by the regulatory agencies.

Other Environmental Litigation

In July 2018, the Company, along with more than 120 other companies, was served with a complaint seeking cost recovery and contribution towards the cleaning up of approximately eight miles of the Lower Passaic River in New Jersey. The plaintiff, Occidental Chemical Corporation, alleges that it agreed to design and pay the estimated $165 million cost to remove and cap sediment containing eight chemicals of concern, including PCBs and dioxins. The complaint seeks to spread those costs among the defendants, including the Company. The Company’s involvement in the case relates to its past use of two commercial drum conditioning facilities in New Jersey. Whether, and to what extent, the Company may be required to contribute to the costs at issue in the case remains to be determined.

For environmental matters and litigation described above, unless otherwise stated, no liability has been recorded as the Company believes liability in those matters is not probable and estimable and the Company is not able to estimate a possible loss or range of loss at this time. The Company’s environmental liabilities and insurance receivables are described below.

Environmental Liabilities and Insurance Receivables

The Company periodically examines whether the contingent liabilities related to the environmental matters and litigation described above are probable and estimable based on experience and developments in those matters. During the nine months ended September 30, 2020, the Company increased its accrual for PFAS-related other environmental liabilities by $41 million and made related payments of $111 million. During the first quarter of 2019, the EPA issued its PFAS Action Plan and the Company settled the litigation with the Water Authority (both matters are described in more detail above). The Company completed a comprehensive review with the assistance of environmental consultants and other experts regarding environmental matters and litigation related to historical PFAS manufacturing operations in Minnesota; Alabama; Gendorf Germany; and at four former landfills in Alabama. As a result of these developments and of that review, the Company increased its accrual for “other environmental liabilities” by $235 million pre-tax (including the settlement with the Water Authority) in the first quarter of 2019. During the fourth quarter of 2019, 3M updated its evaluation of certain customer-related litigation based on continued, productive settlement discussions with multiple parties. As previously disclosed, 3M has been engaged in mediation and resolution negotiations in multiple cases. In addition, during

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the fourth quarter, the Company updated its assessment of environmental matters and litigation related to its historical PFAS manufacturing operations and expanded its evaluation of other 3M sites that may have used certain PFAS-containing materials and locations at which they were disposed. As a result of these actions during the fourth quarter the Company recorded a pre-tax charge of $214 million. As of September 30, 2020, the Company had recorded liabilities of $375 million for “other environmental liabilities.” The accruals represent the Company’s best estimate of the probable loss. The Company is not able to estimate a possible loss or range of loss in excess of the established accruals at this time.

As of September 30, 2020, the Company had recorded liabilities of $23 million for estimated non-PFAS related “environmental remediation” costs to clean up, treat, or remove hazardous substances at current or former 3M manufacturing or third-party sites. The Company evaluates available facts with respect to each individual site each quarter and records liabilities for remediation costs on an undiscounted basis when they are probable and reasonably estimable, generally no later than the completion of feasibility studies or the Company’s commitment to a plan of action. Liabilities for estimated costs of environmental remediation, depending on the site, are based primarily upon internal or third-party environmental studies, and estimates as to the number, participation level and financial viability of any other potentially responsible parties, the extent of the contamination and the nature of required remedial actions. The Company adjusts recorded liabilities as further information develops or circumstances change. The Company expects that it will pay the amounts recorded over the periods of remediation for the applicable sites, currently ranging up to 20 years.

It is difficult to estimate the cost of environmental compliance and remediation given the uncertainties regarding the interpretation and enforcement of applicable environmental laws and regulations, the extent of environmental contamination and the existence of alternative cleanup methods. Developments may occur that could affect the Company’s current assessment, including, but not limited to: (i) changes in the information available regarding the environmental impact of the Company’s operations and products; (ii) changes in environmental regulations, changes in permissible levels of specific compounds in drinking water sources, or changes in enforcement theories and policies, including efforts to recover natural resource damages; (iii) new and evolving analytical and remediation techniques; (iv) success in allocating liability to other potentially responsible parties; and (v) the financial viability of other potentially responsible parties and third-party indemnitors. For sites included in both “environmental remediation liabilities” and “other environmental liabilities,” at which remediation activity is largely complete and remaining activity relates primarily to operation and maintenance of the remedy, including required post-remediation monitoring, the Company believes the exposure to loss in excess of the amount accrued would not be material to the Company’s consolidated results of operations or financial condition. However, for locations at which remediation activity is largely ongoing, the Company cannot estimate a possible loss or range of loss in excess of the associated established accruals for the reasons described above.

The Company has both pre-1986 general and product liability occurrence coverage and post-1985 occurrence reported product liability and other environmental coverage for environmental matters and litigation. As of September 30, 2020, the Company’s receivable for insurance recoveries related to the environmental matters and litigation was $8 million. Various factors could affect the timing and amount of recovery of this and future expected increases in the receivable, including (i) delays in or avoidance of payment by insurers; (ii) the extent to which insurers may become insolvent in the future, (iii) the outcome of negotiations with insurers, and (iv) the scope of the insurers’ purported defenses and exclusions to avoid coverage.

Product Liability Litigation

As of September 30, 2020, the Company was a named defendant in 22 lawsuits in the United States involving 25 plaintiffs and one Canadian putative class action with a single named plaintiff, alleging that the Bair Hugger™ patient warming system caused a surgical site infection.

As previously disclosed, 3M had been a named defendant in lawsuits in federal courts involving over 5,000 plaintiffs. The plaintiffs claim they underwent various joint arthroplasty, cardiovascular, and other surgeries and later developed surgical site infections due to the use of the Bair Hugger™ patient warming system. The plaintiffs seek damages and other relief based on theories of strict liability, negligence, breach of express and implied warranties, failure to warn, design and manufacturing defect, fraudulent and/or negligent misrepresentation/concealment, unjust enrichment, and violations of various state consumer fraud, deceptive or unlawful trade practices and/or false advertising acts.

The U.S. Judicial Panel on Multidistrict Litigation (JPML) consolidated all cases pending in federal courts to the U.S. District Court for the District of Minnesota to be managed in a multi-district litigation (MDL) proceeding. In July 2019, the court excluded several of the plaintiffs’ causation experts, and granted summary judgment for 3M in all cases pending at that time in the MDL. Plaintiffs have

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appealed that decision to the U.S. Court of Appeals for the Eighth Circuit. Plaintiffs have also appealed a 2018 jury verdict in favor of 3M in the first bellwether trial in the MDL and appealed the dismissal of another bellwether case.

Among the 22 remaining lawsuits in the United States, 19 are in the MDL court and three are in state court. The MDL court declined to remand one case to Oklahoma state court and has stayed all 19 remaining lawsuits pending the appeal of the summary judgment decision. In February 2020, the MDL court remanded two cases to state court in Jackson County, Missouri that combined Bair Hugger product liability claims with medical malpractice claims. There is also one case in Hidalgo County, Texas that combines Bair Hugger product liability claims with medical malpractice claims. In August 2019, the MDL court enjoined the individual plaintiff from pursuing his claims in Texas state court because he had previously filed and dismissed a claim in the MDL. That plaintiff has appealed the order to the U.S. Court of Appeals for the Eighth Circuit. The Texas state court has stayed the entire case while the appeal is pending.

As previously disclosed, 3M had been named a defendant in 61 cases in Minnesota state court. In January 2018, the Minnesota state court excluded plaintiffs’ experts and granted 3M’s motion for summary judgment on general causation. Plaintiffs appealed that ruling and the state court’s punitive damages ruling. The Minnesota Court of Appeals affirmed the Minnesota state court orders in their entirety and the Minnesota Supreme Court denied plaintiffs’ petition for review. Final dismissal was entered in April 2019, effectively ending the Minnesota state court cases.

In June 2016, the Company was served with a putative class action filed in the Ontario Superior Court of Justice for all Canadian residents who underwent various joint arthroplasty, cardiovascular, and other surgeries and later developed surgical site infections due to the use of the Bair Hugger™ patient warming system. The representative plaintiff seeks relief (including punitive damages) under Canadian law based on theories similar to those asserted in the MDL.

No liability has been recorded for the Bair Hugger™ litigation because the Company believes that any such liability is not probable and estimable at this time.

Aearo Technologies sold Dual-Ended Combat Arms – Version 2 earplugs starting in about 2003. 3M acquired Aearo Technologies in 2008 and sold these earplugs from 2008 through 2015, when the product was discontinued. In December 2018, a military veteran filed an individual lawsuit against 3M in the San Bernardino Superior Court in California alleging that he sustained personal injuries while serving in the military caused by 3M’s Dual-Ended Combat Arms earplugs – Version 2. The plaintiff asserts claims of product liability and fraudulent misrepresentation and concealment. The plaintiff seeks various damages, including medical and related expenses, loss of income, and punitive damages. As of September 30, 2020, the Company is a named defendant in approximately 3,000 lawsuits (including 14 putative class actions) in various state and federal courts that purport to represent approximately 12,000 individual claimants making similar allegations. In April 2019, the U.S. Judicial Panel on Multidistrict Litigation granted motions to transfer and consolidate all cases pending in federal courts to the U.S. District Court for the Northern District of Florida to be managed in a multi-district litigation (MDL) proceeding to centralize pre-trial proceedings. Discovery is underway. The plaintiffs and 3M filed preliminary summary judgment motions on the government contractor defense. In July 2020, based on the current record, the court granted the plaintiffs’ summary judgment motion and denied the defendants’ summary judgment motion, ruling that plaintiffs’ claims are not barred by the government contractor defense. The court denied the Company’s request to immediately certify the summary judgment ruling for appeal to the U.S. Court of Appeals for the Eleventh Circuit. The first bellwether case is scheduled for April 2021. No liability has been recorded for these matters because the Company believes that any such liability is not probable and estimable at this time.

For product liability litigation matters described in this section for which a liability has been recorded, the amount recorded is not material to the Company’s consolidated results of operations or financial condition. In addition, the Company is not able to estimate a possible loss or range of loss in excess of the established accruals at this time.

Securities Litigation

In July 2019, Heavy & General Laborers’ Locals 472 & 172 Welfare Fund filed a putative securities class action against 3M Company, its former Chairman and CEO, current Chairman and CEO, and current CFO in the U.S. District Court for the District of New Jersey. In August 2019, an individual plaintiff filed a similar putative securities class action in the same district. Plaintiffs allege that defendants made false and misleading statements regarding 3M's exposure to liability associated with PFAS, and bring claims for damages under Section 10(b) of the Securities Exchange Act of 1934 and SEC Rule 10b-5 against all defendants, and under Section

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20(a) of the Securities and Exchange Act of 1934 against the individual defendants. In October 2019, the court consolidated the securities class actions and appointed a group of lead plaintiffs. In January 2020, the defendants filed a motion to transfer venue to the U.S. District Court for the District of Minnesota. In August 2020, the court denied the motion to transfer venue, and in September 2020, the defendants filed a petition for writ of mandamus to the U.S. Court of Appeals for the Third Circuit. The suit is in the early stages of litigation.

In October 2019, a follow-on derivative lawsuit was filed in the U.S. District Court for the District of New Jersey against 3M and several of its current and former executives and directors. In November and December 2019, two additional derivative lawsuits were filed in a Minnesota state court. The derivative lawsuits rely on similar factual allegations as the putative securities class action discussed above. The plaintiffs have agreed to stay these cases pending a ruling on a motion to dismiss the securities class action. In October 2020, the derivative action pending in the U.S. District Court for the District of New Jersey was dismissed, without prejudice, for failure to serve the complaint within the required time period.

In August 2020, an individual shareholder who had previously submitted a books and records demand filed an additional follow-on derivative lawsuit in the U.S. District Court for the District of New Jersey against 3M and several of its current and former executives and directors. This derivative lawsuit also relies on similar factual allegations as the putative securities class action discussed above.

Federal False Claims Act / Qui Tam Litigation

In October 2019, 3M acquired Acelity, Inc. and its KCI subsidiaries, including Kinetic Concepts, Inc. and KCI USA, Inc. As previously disclosed in the SEC filings by the KCI entities, in 2009, Kinetic Concepts, Inc. received a subpoena from the U.S. Department of Health and Human Services Office of Inspector General. In 2011, following the completion of the government’s review and its decision declining to intervene in two qui tam actions described further below, the qui tam relator-plaintiffs’ pleadings were unsealed.

The government inquiry followed two qui tam actions filed in 2008 by two former employees against Kinetic Concepts, Inc. and KCI USA, Inc. (collectively, the “KCI defendants”) under seal in the U.S. District Court for the Central District of California. The complaints contain allegations that the KCI Defendants violated the federal False Claims Act by submitting false or fraudulent claims to federal healthcare programs by billing for V.A.C.^® Therapy in a manner that was not consistent with the Local Coverage Determinations issued by the Durable Medical Equipment Medicare Administrative Contractors and seek monetary damages. One complaint (the “Godecke case”) also contains allegations that the KCI Defendants retaliated against the relator-plaintiff for alleged whistle-blowing behavior.

In October 2016, the KCI Defendants filed counterclaims in the Godecke case, asserting breach of contract and conversion. In August 2017, the relator-plaintiff’s fraud claim in the Godecke case was dismissed in favor of the KCI defendants. In January 2018, the district court stayed the retaliation claim and the KCI Defendants' counterclaims pending the relator-plaintiff’s appeal. In September 2019, the U.S. Court of Appeals for the Ninth Circuit reversed and remanded the case to the district court for further proceedings. The district court has ordered a stay of the proceedings pending a further status conference in November 2020. Separately, in June 2019, following discovery, the district court in the second case (the “Hartpence case”) entered summary judgment in the KCI Defendants’ favor on all of the relator-plaintiff’s claims. The plaintiff then filed an appeal in the U.S. Court of Appeals for the Ninth Circuit. Oral argument in the Hartpence case was held in July 2020. The appellate court’s opinion remains pending.

For the matters described in this section for which a liability has been recorded, the amount recorded is not material to the Company’s consolidated results of operations or financial condition.

Compliance Matter

The Company, through its internal processes, discovered certain travel activities and related funding and record keeping issues raising concerns, arising from marketing efforts by certain business groups based in China. The Company initiated an internal investigation to determine whether the expenditures may have violated the U.S. Foreign Corrupt Practices Act (FCPA) or other potentially applicable anti-corruption laws. The Company has retained outside counsel and a forensic accounting firm to assist with the investigation. In July 2019, the Company voluntarily disclosed this investigation to both the Department of Justice and Securities and Exchange Commission and is cooperating with both agencies. The Company cannot predict at this time the outcome of its investigation or what potential actions may be taken by the Department of Justice or Securities and Exchange Commission.

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NOTE 15. Stock-Based Compensation

The 3M 2016 Long-Term Incentive Plan provides for the issuance or delivery of up to 123,965,000 shares of 3M common stock pursuant to awards granted under the plan. Awards may be issued in the form of incentive stock options, nonqualified stock options, progressive stock options, stock appreciation rights, restricted stock, restricted stock units, other stock awards, and performance units and performance shares. As of September 30, 2020, the remaining shares available for grant under the LTIP Program are 16 million.

The Company’s annual stock option and restricted stock unit grant is made in February to provide a strong and immediate link between the performance of individuals during the preceding year and the size of their annual stock compensation grants. The grant to eligible employees uses the closing stock price on the grant date. Accounting rules require recognition of expense under a non-substantive vesting period approach, requiring compensation expense recognition when an employee is eligible to retire. Employees are considered eligible to retire at age 55 and after having completed ten years of service. This retiree-eligible population represents 35 percent of the annual grant stock-based compensation expense; therefore, higher stock-based compensation expense is recognized in the first quarter.

In addition to the annual grants, the Company makes other minor grants of stock options, restricted stock units and other stock-based grants. The Company issues cash settled restricted stock units and stock appreciation rights in certain countries. These grants do not result in the issuance of common stock and are considered immaterial by the Company.

Amounts recognized in the financial statements with respect to stock-based compensation programs, which include stock options, restricted stock, restricted stock units, performance shares and the General Employees’ Stock Purchase Plan (GESPP), are provided in the following table. Capitalized stock-based compensation amounts were not material for the three and nine months ended September 30, 2020 and 2019.

Stock-Based Compensation Expense

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Cost of sales	$	9	$	8	$	41	$	39
Selling, general and administrative expenses		30		33		138		151
Research, development and related expenses		5		7		37		40
Stock-based compensation expenses	$	44	$	48	$	216	$	230
Income tax benefits		(13)		(12)		(67)		(120)
Stock-based compensation expenses (benefits), net of tax	$	31	$	36	$	149	$	110

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Stock Option Program

The following table summarizes stock option activity during the nine months ended September 30, 2020:

				Weighted
				Average
		Weighted		Remaining	Aggregate
	Number of	Average		Contractual	Intrinsic Value
(Options in thousands)	Options	Exercise Price		Life (months)	(millions)
Under option —
January 1	33,675	$	151.15
Granted:
Annual	4,741		157.26
Other	36		155.43
Exercised	(2,132)		91.51
Forfeited	(250)		179.87
September 30	36,070	$	155.28	65	$	643
Options exercisable
September 30	28,189	$	148.59	54	$	629

Stock options vest over a period from one year to three years with the expiration date at 10 years from date of grant. As of September 30, 2020, there was $71 million of compensation expense that has yet to be recognized related to non-vested stock option based awards. This expense is expected to be recognized over the remaining weighted-average vesting period of 21 months. The total intrinsic values of stock options exercised were $160 million and $368 million during the nine months ended September 30, 2020 and 2019, respectively. Cash received from options exercised was $193 million and $304 million for the nine months ended September 30, 2020 and 2019, respectively. The Company’s actual tax benefits realized for the tax deductions related to the exercise of employee stock options were $34 million and $77 million for the nine months ended September 30, 2020 and 2019, respectively.

For the primary 2020 annual stock option grant, the weighted average fair value at the date of grant was calculated using the Black-Scholes option-pricing model and the assumptions that follow.

Stock Option Assumptions

	Annual
	2020
Exercise price	$	157.24
Risk-free interest rate		1.5	%
Dividend yield		2.7	%
Expected volatility		19.7	%
Expected life (months)		78
Black-Scholes fair value	$	21.58

Expected volatility is a statistical measure of the amount by which a stock price is expected to fluctuate during a period. For the 2020 annual grant date, the Company estimated the expected volatility based upon the following three volatilities of 3M stock: the median of the term of the expected life rolling volatility; the median of the most recent term of the expected life volatility; and the implied volatility on the grant date. The expected term assumption is based on the weighted average of historical grants.

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Restricted Stock and Restricted Stock Units

The following table summarizes restricted stock and restricted stock unit activity during the nine months ended September 30, 2020:

		Weighted
		Average
	Number of	Grant Date
(Shares in thousands)	Shares	Fair Value
Nonvested balance —
As of January 1	1,573	$	201.11
Granted
Annual	733		157.29
Other	41		158.91
Vested	(560)		176.21
Forfeited	(52)		198.48
As of September 30	1,735	$	189.72

As of September 30, 2020, there was $96 million of compensation expense that has yet to be recognized related to non-vested restricted stock and restricted stock units. This expense is expected to be recognized over the remaining weighted-average vesting period of 24 months. The total fair value of restricted stock and restricted stock units that vested during the nine months ended September 30, 2020 and 2019 was $89 million and $136 million, respectively. The Company’s actual tax benefits realized for the tax deductions related to the vesting of restricted stock and restricted stock units was $17 million and $26 million for the nine months ended September 30, 2020 and 2019, respectively.

Restricted stock units granted generally vest three years following the grant date assuming continued employment. Dividend equivalents equal to the dividends payable on the same number of shares of 3M common stock accrue on these restricted stock units during the vesting period, although no dividend equivalents are paid on any of these restricted stock units that are forfeited prior to the vesting date. Dividends are paid out in cash at the vest date on restricted stock units. Since the rights to dividends are forfeitable, there is no impact on basic earnings per share calculations. Weighted average restricted stock unit shares outstanding are included in the computation of diluted earnings per share.

Performance Shares

Instead of restricted stock units, the Company makes annual grants of performance shares to members of its executive management. The 2020 performance criteria for these performance shares (organic volume growth, return on invested capital, free cash flow conversion, and earnings per share growth) were selected because the Company believes that they are important drivers of long-term stockholder value. The number of shares of 3M common stock that could actually be delivered at the end of the three-year performance period may be anywhere from 0% to 200% of each performance share granted, depending on the performance of the Company during such performance period. When granted, these performance shares are awarded at 100% of the estimated number of shares at the end of the three-year performance period and are reflected under “Granted” in the table below. Non-substantive vesting requires that expense for the performance shares be recognized over one or three years depending on when each individual became a 3M executive. The performance share grants accrue dividends; therefore, the grant date fair value is equal to the closing stock price on the date of grant. Since the rights to dividends are forfeitable, there is no impact on basic earnings per share calculations. Weighted average performance shares whose performance period is complete are included in computation of diluted earnings per share.

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The following table summarizes performance share activity during the nine months ended September 30, 2020:

		Weighted
		Average
	Number of	Grant Date
(Shares in thousands)	Shares	Fair Value
Undistributed balance —
As of January 1	444	$	205.58
Granted	203		153.16
Distributed	(206)		190.84
Performance change	25		166.49
Forfeited	(43)		172.92
As of September 30	423	$	188.61

As of September 30, 2020, there was $24 million of compensation expense that has yet to be recognized related to performance shares. This expense is expected to be recognized over the remaining weighted-average earnings period of 20 months. The total fair value of performance shares that were distributed were $35 million and $45 million for the nine months ended September 30, 2020 and 2019, respectively. The Company’s actual tax benefits realized for the tax deductions related to the distribution of performance shares were $7 million and $9 million for the nine months ended September 30, 2020 and 2019, respectively.

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 four business segments: Safety and Industrial; Transportation and Electronics; Health Care; and Consumer. 3M’s four 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 business segment operating income information shown.

Effective in the second quarter of 2020, the measure of segment operating performance used by 3M’s chief operating decision maker (CODM) changed and, as a result, 3M’s disclosed measure of segment profit/loss (business segment operating income) has been updated for all periods presented. The change to business segment operating income aligns with the update to how the CODM assesses performance and allocates resources for the Company’s business segments.

3M discloses business segment operating income as its measure of segment profit/loss, reconciled to both total 3M operating income and income before taxes. Business segment operating income includes dual credit for certain related operating income (as described below in “Elimination of Dual Credit”). Business segment operating income excludes certain expenses and income that are not allocated to business segments (as described below in “Corporate and Unallocated”). Additionally, the following special items are excluded from business segment operating income and, instead, are included within Corporate and Unallocated: significant litigation-related charges/benefits, gain/loss on sale of businesses (see Note 3), and divestiture-related restructuring actions (see Note 5).

In addition, effective in the first quarter of 2020, in a continuing effort to improve the alignment of its businesses around customers and markets, the Company made the following changes:

Continued alignment of customer account activity

● As part of 3M’s regular customer-focus initiatives, the Company realigned certain customer account activity (“sales district”) to correlate with the primary divisional product offerings in various countries and reduce complexity for customers when interacting with multiple 3M businesses. This largely impacted the amount of dual credit certain business segments receive as a result of sales district attribution. 3M business segment reporting measures include dual credit to business segments for certain sales and 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. As a result of this change, previously reported aggregate

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business segment net sales and operating income for the total year 2019 decreased $42 million and $10 million, respectively, offset by corresponding decreases in the “Elimination of Dual Credit” net sales and operating income amounts.

Additional actions impacting product line alignments

● The remaining retail auto care product lines formerly in the Automotive Aftermarket Division (within the Safety and Industrial business segment), were realigned to the Construction and Home Improvement Division (within the Consumer business segment). This change resulted in a decrease of previously reported net sales and operating income for total year 2019 of $35 million and $11 million, respectively, in the Safety and Industrial business segment, offset by a corresponding increase in net sales and operating income within the Consumer business segment.

● In addition, certain product lines were realigned within business segments. The transdermal drug delivery components business, formerly included in the Drug Delivery Systems Division, was realigned to the Medical Solutions Division (both of which are within the Health Care business segment) and the paint protection film business, formerly included in the Automotive and Aerospace Division, was realigned to the Commercial Solutions Division (both of which are within the Transportation and Electronics business segment).

The financial information presented herein reflects the impact of the preceding changes for all periods presented.

Business Segment Information

	Three months ended				Nine months ended
	September 30,				September 30,
Net Sales (Millions)	2020		2019		2020		2019
Safety and Industrial	$	3,024	$	2,829	$	8,627	$	8,729
Transportation and Electronics		2,314		2,500		6,489		7,305
Health Care		2,160		1,721		6,088		5,290
Consumer		1,417		1,342		3,911		3,862
Corporate and Unallocated		—		28		(1)		98
Elimination of Dual Credit		(565)		(429)		(1,513)		(1,259)
Total Company	$	8,350	$	7,991	$	23,601	$	24,025
Operating Performance (Millions)
Safety and Industrial	$	823	$	647	$	2,185	$	1,931
Transportation and Electronics		552		637		1,416		1,747
Health Care		508		459		1,270		1,401
Consumer		358		313		914		821
Elimination of Dual Credit		(145)		(111)		(384)		(308)
Total business segment operating income	$	2,096	$	1,945	$	5,401	$	5,592
Corporate and Unallocated
Special items:
Significant litigation-related (charges)/benefits		—		—		(17)		(548)
Gain/(loss) on sale of businesses		—		106		389		114
Divestiture-related restructuring actions		—		—		(55)		—
Other corporate expense - net		(187)		(40)		(406)		(309)
Total Corporate and Unallocated		(187)		66		(89)		(743)
Total Company operating income	$	1,909	$	2,011	$	5,312	$	4,849
Other expense/(income), net	$	104	$	45	$	311	$	349
Income before income taxes	$	1,805	$	1,966	$	5,001	$	4,500

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Corporate and Unallocated

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 and is disclosed as “other corporate expense-net”. Additionally, Corporate and Unallocated includes special items such as significant litigation-related charges/benefits, gain/loss on sale of businesses (see Note 3), and divestiture-related restructuring costs (see Note 5). Corporate and Unallocated also includes sales, costs, and income from contract manufacturing, transition services and other arrangements with the acquirer of the Communication Markets Division following its 2018 divestiture through 2019 and the acquirer of the former drug delivery business following its 2020 divestiture. Because this category includes a variety of miscellaneous items, it is subject to fluctuation on a quarterly and annual basis.

​
Elimination of Dual Credit

3M business segment reporting measures include dual credit to business segments for certain sales and related operating income. Management evaluates each of its four 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, privacy screen protection products are primarily sold by the Display Materials and Systems Division within the Transportation and Electronics business segment; however, certain sales districts within the Consumer business segment provide the customer account activity for sales of the product to particular customers. In this example, the non-primary selling segment (Consumer) 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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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

Management’s Discussion and Analysis of Financial Condition and Results of Operations (MD&A) is designed to provide a reader of 3M’s financial statements with a narrative from the perspective of management. 3M’s MD&A is presented in the following sections:

● Overview

● Results of Operations

● Performance by Business Segment

● Financial Condition and Liquidity

● Cautionary Note Concerning Factors That May Affect Future Results

Forward-looking statements in Part I, Item 2 may involve risks and uncertainties that could cause results to differ materially from those projected (refer to the section entitled “Cautionary Note Concerning Factors That May Affect Future Results” in Part I, Item 2 and the risk factors provided in Part II, Item 1A for discussion of these risks and uncertainties).

OVERVIEW

3M is a diversified global manufacturer, technology innovator and marketer of a wide variety of products and services. As described in Note 16, effective in the second quarter of 2020, the measure of segment operating performance used by 3M’s chief operating decision maker changed and, as a result, the Company’s disclosed measure of segment profit/loss has been updated. Also, effective in the first quarter of 2020, the Company changed its business segment reporting in its continuing effort to improve the alignment of businesses around markets and customers. Additionally, the Company consolidated the way it presents geographic area net sales by providing an aggregate Americas geographic region (combining former United States and Latin America and Canada areas). Information provided herein reflects the impact of these changes for all periods presented.

3M manages its operations in four operating business segments: Safety and Industrial; Transportation and Electronics; Health Care; and Consumer. From a geographic perspective, any references to EMEA refer to Europe, Middle East and Africa on a combined basis.

Consideration of COVID-19:

3M is impacted by the global pandemic and related effects associated with the coronavirus (COVID-19). The Company updated its risk factors with respect to COVID-19, which can be found in Item 1A “Risk Factors” in this document.

Public and private sector policies and initiatives to reduce the transmission of COVID-19, such as the imposition of travel restrictions and the adoption of remote working, have impacted 3M’s operations. 3M is working to protect its employees and the public, maintain business continuity and sustain its operations, including ensuring the safety and protection of people who work in its plants and distribution centers across the world, many of whom support the manufacturing and delivery of products that are critical in response to the global pandemic. COVID-19 has impacted 3M’s supply chains relative to global demand for products like respirators, surgical masks and commercial cleaning solutions. As this situation continues, 3M is also closely monitoring and responding to potential impacts to the Company’s broader supply chain associated with other products. COVID-19 has also affected the ability of suppliers and vendors to provide products and services to 3M. Furthermore, COVID-19 has impacted the broader economies of affected countries, including negatively impacting economic growth.The Company has taken steps to help employees lead safe and productive lives during the outbreak including remote working; escalated procedures in factories related to personal safety, cleaning and medical screening measures; and pandemic leave policies. 3M is closely monitoring how the spread of COVID-19 is affecting employees and business operations and has developed preparedness plans to help protect the safety of employees around the world while safely continuing business. While nearly all of our manufacturing locations and distribution centers are fully or partially operational, the Company implemented plant and/or line shutdowns during 2020 related to certain markets due to weaker customer demand or government mandates. Some of the above factors have increased the demand for 3M products, while others have decreased demand or made it more difficult for 3M to serve customers. Serving 3M customers is a priority and teams continue to communicate with individual customers about potential disruptions.

3M’s total sales increased 4.5% and decreased 1.8% year-on-year in the third quarter and first nine months of 2020, respectively. Organic local-currency sales increased 0.9% and decreased 4.1% year-on-year in the third quarter and first nine months of 2020, respectively. Given the diversity of 3M’s businesses, the impact of COVID-19 varied across the Company in the third quarter and first

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nine months of 2020. 3M experienced strong sales growth in personal safety, as well as in other areas such as home improvement, general cleaning, semiconductor, data center, and biopharma filtration. COVID-related respirator sales are estimated to have impacted year-on-year organic local-currency sales growth by approximately 3 percent and 2 percent for the third quarter and first nine months of 2020, respectively. At the same time, weakness in several end markets, while improving, contributed in part to sales declines in a number of 3M’s businesses with the biggest year-on-year first nine months total sales decreases in oral care (down 25 percent), automotive and aerospace (down 23 percent), advanced materials (down 20 percent), commercial solutions (down 17 percent), stationery and office (down 15 percent), automotive aftermarket (down 13 percent), and businesses aligned to general industrial applications such as abrasives (down 19 percent) and industrial adhesives and tapes (down 8 percent).

3M’s operating income margins decreased 2.3 and increased 2.3 percentage points year-on-year in the third quarter and first nine months of 2020, respectively. Factoring out the impact on operating income of special items as described in the Certain amounts adjusted for special items - (non-GAAP measures) section below, operating income margins decreased 0.9 and 0.8 percentage points to 22.9 percent and 21.2 percent, respectively, for the third quarter and first nine months of 2020 when compared the same periods in 2019. Various COVID-19 implications contributed in part to these decreases.

Overall, the impact of the COVID-19 pandemic on 3M’s consolidated results of operations was primarily driven by factors related to changes in demand for products and disruption in global supply chains as described above. While it is not feasible to identify or quantify all the other direct and indirect implications on 3M’s results of operations, below are factors that 3M believes have also impacted its operating income for the third quarter and first nine months of 2020:

Factors contributing to charges:

● Period expenses of unabsorbed manufacturing costs and increased expected credit losses on customer receivables.

● Restructuring actions addressing structural enterprise costs and operations in certain end markets as a result of the COVID-19 pandemic and related economic impact resulting in a second quarter 2020 charge of $58 million (as further discussed in Note 5).

● Committed financial support to various COVID-relief and medical research initiatives.

● Charge of $22 million related to equity securities as discussed in the “Assets and Liabilities that are Measured at Fair Value on a Nonrecurring Basis” section of Note 13 that use the measurement alternative described therein in addition to an immaterial pre-tax charge related to impairment of certain indefinite lived tradenames in the first quarter of 2020. 3M continues to regularly consider if COVID-19 and other related market implications could indicate it is more likely than not the carrying amount of various applicable assets may be impaired and assess whether certain investments without readily determinable fair values may have been impacted.

Factors providing benefits or other impacts:

● Decreased discretionary spending in areas such as travel, professional services, and advertising/merchandising as well as cost reduction efforts, hiring freezes, and maintaining only essential contract workers. 3M plans to monitor discretionary spending and cost control efforts as the situation continues.

● Government-sponsored COVID-response stimulus and relief initiatives, including certain employment retention benefits under the Coronavirus Aid, Relief and Economic Security (CARES) Act in the United States.

● Lower self-insured medical visit/instance expense during the first nine months of 2020 as a result of lower expense in the second quarter of 2020 compared to the same period in 2019.

● Instituted accelerated vacation usage policies which benefit the second quarter of 2020 year-on-year, but provide a penalty in comparison to prior year in the second half of 2020.

As previously disclosed, in light of circumstances, 3M took actions to ensure sources of cash may remain strong, including the March 2020 issuance of $1.75 billion of registered notes, suspension of share repurchases, and lowering its original $1.6 billion to $1.8 billion range of full year 2020 estimated capital spending which was further updated during the third quarter of 2020 to approximately $1.4 billion to $1.5 billion. While estimated capital spending decreased, it includes additional expansion of respirator production capacity. 3M continues to have access to its commercial paper program and undrawn committed credit facility. Refer to the Financial Condition and Liquidity section below for more information on the Company’s liquidity position.

The Company also continues to evaluate the extent to which it may avail itself of various government-sponsored COVID-response stimulus, relief, and production initiatives around the world, such as under the Defense Production Act (DPA) and CARES Act in the United States. During 2020, under the DPA, the U.S. government initiated certain agreements with 3M involving just over $200

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million of anticipated funding of assets to expand capacity to supply N-95 respirators to the U.S. government. The nature of the agreement provides a program of expedited partial funding to begin expansion while final terms are completed.

Due to the speed with which the COVID-19 situation is developing and evolving and the uncertainty of its duration and the timing of recovery, 3M is not able at this time to predict the extent to which the COVID-19 pandemic may have a material effect on its consolidated results of operations or financial condition.

Earnings per share attributable to 3M common shareholders – diluted:

The following table provides the increase (decrease) in diluted earnings per share for the three and nine months ended September 30, 2020 and 2019.

	Three months ended		Nine months ended
(Earnings per diluted share)	September 30, 2020		September 30, 2020
Same period last year	$	2.72	$	6.15
Significant litigation-related charges/benefits		—		0.72
Loss on deconsolidation of Venezuelan subsidiary		—		0.28
Gain/loss on sale of businesses		(0.14)		(0.22)
Same period last year, excluding special items	$	2.58	$	6.93
Increase/(decrease) in earnings per share - diluted, due to:
Organic growth/productivity and other		(0.08)		(0.31)
Acquisitions/divestitures		0.01		(0.11)
Foreign exchange impacts		—		(0.13)
Income tax rate		(0.08)		(0.07)
Shares of common stock outstanding		—		0.05
Current period, excluding special items	$	2.43	$	6.36
Significant litigation-related charges/benefits		—		0.07
Gain/loss on sale of businesses		—		0.52
Divestiture-related restructuring actions		—		(0.08)
Current period	$	2.43	$	6.87

For the third quarter of 2020, net income attributable to 3M was $1.413 billion, or $2.43 per diluted share compared to $1.583 billion or $2.72 per diluted share in the same period last year, a decrease of 10.7 percent on a per diluted share basis. For the first nine months of 2020 net income attributable to 3M was $3.995 billion, or $6.87 per diluted share compared to $3.601 billion or $6.15 per diluted share in the same period last year, an increase of 11.7 percent on a per diluted share basis.

The Company refers to various amounts or measures on an “adjusted basis”. These exclude special items. These non-GAAP measures are further described and reconciled to the most directly comparable GAAP financial measures in the Certain amounts adjusted for special items - (non-GAAP measures) section below.

On an adjusted basis for the third quarter 2020, net income attributable to 3M was $1.413 billion, or $2.43 per diluted share versus $1.504 billion, or $2.58 per diluted share in the same period last year, which was a decrease of 5.8 percent on a per diluted share basis. On an adjusted basis for the first nine months of 2020, net income attributable to 3M was $3.699 billion, or $6.36 per diluted share versus $4.058 billion, or $6.93 per diluted share for the same period last year, which was a decrease of 8.2 percent on a per diluted share basis.

Additional discussion related to the components of the year-on-year change in earnings per diluted share follows:

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Organic growth/productivity and other:

● Lower organic volume growth in the first nine months of 2020 as a result of significant COVID-19 related impacts, in addition to COVID-related net factors described in the preceding Overview—Consideration of COVID-19 section, decreased earnings per diluted share year-on-year. These net factors included cost saving actions taken in response to COVID-19 but also reflected second quarter 2020 charges for items such as restructuring actions addressing structural enterprise costs and operations in certain end markets as a result of the COVID-19 pandemic and related economic impact (further described in Note 5) along with certain related follow-on accelerated depreciation. Additional items that reduced earnings per diluted share year-on-year include net gains related to certain property sales in the third quarter of 2019. Partially offsetting this net decrease were benefits recognized in the first nine months of 2020 related to the restructuring and other actions taken in 2019 (and the adjustments thereto in 2020) in addition to continued cost management and productivity efforts.

● On a combined basis, higher defined benefit pension and postretirement service cost increased expense year-on-year.

● Interest expense (net of interest income) increased year-on-year for both the third quarter and first nine months of 2020, as a result of higher U.S. average debt balances and lower year-on-year interest income driven by lower average interest rates on cash balances.

Acquisitions/divestitures:

● Acquisition impacts, which are measured for the first twelve months post-transaction, relate to the acquisitions of M*Modal (first quarter 2019), and Acelity (fourth quarter 2019). These items collectively increased earnings per diluted share by 2 cents for the third quarter of 2020 and decreased earnings per diluted share by 7 cents for the first nine months of 2020. The net impacts related to these acquisitions included income from operations, partially offset in the third quarter of 2020 and more than offset for the first nine months of 2020 by transaction and integration costs. Financing costs related to these acquisitions is also included.

● Divestiture impacts include the lost operating income from divested businesses, which decreased earnings per diluted share by 1 cent and 4 cents for the third quarter and first nine months of 2020, respectively. This was primarily related to the divestiture of the Company’s drug delivery business.

Foreign exchange impacts:

● Foreign currency impacts (net of hedging) decreased pre-tax earnings year-on-year by approximately $8 million and $103 million, which had a minimal effect on diluted earnings per share for the third quarter of 2020 and 13 cents per diluted share for the first nine months of 2020, excluding the impact of foreign currency changes on tax rates.

Income tax rate:

● Certain items above reflect specific income tax rates associated with those items. Overall, the effective tax rate for the third quarter of 2020 was 21.4 percent, an increase of 2.1 percentage points versus 2019. The effective tax rate for the first nine months of 2020 was 20.0 percent, an increase of 0.3 percentage points versus 2019. Excluding the special items (as discussed below), the effective tax rate increased 2.4 percentage points and 0.8 percentage points year-on-year for the third quarter and first nine months of 2020, respectively.

● The primary factor that increased the effective tax rate for the third quarter year-on-year was nonrepeating 2019 favorable adjustments related to international tax provisions of U.S. tax reform.

● The effective tax rate for the first nine months of 2020 was largely consistent with that of 2019.

Shares of common stock outstanding:

● Lower shares outstanding had minimal impact to earnings per diluted share for the third quarter of 2020 and increased earnings per share year-on-year by 5 cents per diluted share for the first nine months of 2020. Weighted-average diluted shares outstanding in the third quarter and first nine months of 2020 declined 0.1 percent and 0.7 percent year-on-year, respectively, which benefited earnings per share. The decrease in the outstanding weighted-average diluted shares relates to the Company’s purchase of $366 million of its own stock in the first nine months of 2020, prior to 3M’s suspension of its stock repurchase program in late March 2020.

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Certain amounts adjusted for special items - (non-GAAP measures):

In addition to reporting financial results in accordance with U.S. GAAP, the Company also provides non-GAAP measures that adjust for the impacts of special items. For the periods presented, special items include the items described below. Beginning in 2020, the Company includes gain/loss on sale of businesses and divestiture-related restructuring actions as special items due to their potential distortion of underlying operating results. Information provided herein reflects the impact of this change for all periods presented. Operating income (measure of segment operating performance), income before taxes, net income, earnings per share, and the effective tax rate are all measures for which 3M provides the reported GAAP measure and a measure adjusted for special items. The adjusted measures are not in accordance with, nor are they a substitute for, GAAP measures. The Company considers these non-GAAP measures in evaluating and managing the Company’s operations. The Company believes that discussion of results adjusted for these items is meaningful to investors as it provides a useful analysis of ongoing underlying operating trends. The determination of these items may not be comparable to similarly titled measures used by other companies. Special items include:

Significant litigation-related charges/benefits:

● In the first quarter of 2020, 3M recorded a net pre-tax charge of $17 million ($13 million after tax) related to PFAS (certain perfluorinated compounds) matters. The charge was more than offset by a reduction in tax expense of $52 million related to resolution of tax treatment with authorities regarding the previously disclosed 2018 agreement reached with the State of Minnesota that resolved the Natural Resources Damages (NRD) lawsuit. These items, in aggregate, resulted in a $39 million after tax benefit.

● In the first quarter of 2019, 3M recorded significant litigation-related charges of $548 million ($424 million after tax) related to historical PFAS manufacturing operations and coal mine dust respirator mask lawsuits as further discussed in Note 14. These were reflected in cost of sales ($223 million) and selling, general and administrative expense ($325 million).

Loss on deconsolidation of Venezuelan subsidiary:

● In the second quarter of 2019, 3M recorded a pre-tax charge of $162 million related to the deconsolidation of the Company’s Venezuelan subsidiary as further discussed in Note 1.

Gain/loss on sale of businesses:

● In the first quarter of 2020, 3M recorded a pre-tax gain of $2 million ($1 million loss after tax) related to the sale of its advanced ballistic-protection business and recognition of certain contingent consideration. In the second quarter of 2020, 3M recorded a pre-tax gain of $387 million ($304 million after tax) related to the sale of its drug delivery business. Refer to Note 3 for further details.

● In the first quarter of 2019, 3M recorded a gain related to the sale of certain oral care technology comprising a business in addition to reflecting an earnout on a previous divestiture, which together resulted in a net gain of $8 million ($7 million after tax). In the second quarter of 2019, as a result of a “held for sale” tax benefit related to the legal entities associated with the pending divestiture of the Company’s gas and flame detection business, 3M recorded an after tax gain of $43 million. In the third quarter of 2019, 3M recorded a gain related to the divestiture of the Company’s gas and flame detection business and an immaterial impact as a result of measuring a disposal group at the lower of its carrying amount or fair value less cost to sell, which in aggregate resulted in a pre-tax gain of $106 million ($79 million after tax).

Divestiture-related restructuring actions:

● In the second quarter 2020, following the divestiture of substantially all of the drug delivery business (see Note 3) management approved and committed to undertake certain restructuring actions addressing corporate functional costs and manufacturing footprint across 3M in relation to the magnitude of amounts previously allocated/burdened to the divested business. As a result, 3M recorded a pre-tax charge of $55 million ($46 million after tax). Refer to Note 5 for further details.

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(Dollars in millions, except per share amounts)		Operating Income	Operating Income Margin			Income Before Taxes		Provision for Income Taxes	Effective Tax Rate			Net Income Attributable to 3M		Earnings Per Diluted Share	Earnings per diluted share percent change
Three months ended September 30, 2019 GAAP	$	2,011	25.2	%	$	1,966	$	378	19.3	%	$	1,583	$	2.72
Adjustments for special items:
Gain/loss on sale of businesses		(106)				(106)		(27)				(79)		(0.14)
Three months ended September 30, 2019 adjusted amounts (non-GAAP measures)	$	1,905	23.8	%	$	1,860	$	351	19.0	%	$	1,504	$	2.58
Three months ended September 30, 2020 GAAP	$	1,909	22.9	%	$	1,805	$	387	21.4	%	$	1,413	$	2.43	(10.7)	%
Adjustments for special items:
None
Three months ended September 30, 2020 adjusted amounts (non-GAAP measures)	$	1,909	22.9	%	$	1,805	$	387	21.4	%	$	1,413	$	2.43	(5.8)	%

(Dollars in millions, except per share amounts)		Operating Income	Operating Income Margin			Income Before Taxes		Provision for Income Taxes	Effective Tax Rate			Net Income Attributable to 3M		Earnings Per Diluted Share	Earnings per diluted share percent change
Nine months ended September 30, 2019 GAAP	$	4,849	20.2	%	$	4,500	$	888	19.7	%	$	3,601	$	6.15
Adjustments for special items:
Significant litigation-related charges/benefits		548				548		124				424		0.72
Gain/loss on sale of businesses		(114)				(114)		15				(129)		(0.22)
Loss on deconsolidation of Venezuelan subsidiary		—				162		—				162		0.28
Nine months ended September 30, 2019 adjusted amounts (non-GAAP measures)	$	5,283	22.0	%	$	5,096	$	1,027	20.2	%	$	4,058	$	6.93
Nine months ended September 30, 2020 GAAP	$	5,312	22.5	%	$	5,001	$	1,002	20.0	%	$	3,995	$	6.87	11.7	%
Adjustments for special items:
Significant litigation-related charges/benefits		17				17		56				(39)		(0.07)
Gain/loss on sale of businesses		(389)				(389)		(86)				(303)		(0.52)
Divestiture-related restructuring actions		55				55		9				46		0.08
Nine months ended September 30, 2020 adjusted amounts (non-GAAP measures)	$	4,995	21.2	%	$	4,684	$	981	21.0	%	$	3,699	$	6.36	(8.2)	%

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Sales and operating income by business segment:

The following tables contain sales and operating income results by business segment for the three and nine months ended September 30, 2020 and 2019. Refer to the section entitled “Performance by Business Segment” later in MD&A for additional discussion concerning 2020 versus 2019 results, including Corporate and Unallocated. Refer to Note 16 for additional information on business segments, including Elimination of Dual Credit.

	Three months ended September 30,
	2020				2019				% change
	Net		Oper.		Net		Oper.		Net		Oper.
(Dollars in millions)	Sales		Income		Sales		Income		Sales		Income
Business Segments
Safety and Industrial	$	3,024	$	823	$	2,829	$	647	6.9	%	27.2	%
Transportation and Electronics		2,314		552		2,500		637	(7.4)		(13.2)
Health Care		2,160		508		1,721		459	25.5		10.6
Consumer		1,417		358		1,342		313	5.6		14.7
Corporate and Unallocated		—		(187)		28		66	—		—
Elimination of Dual Credit		(565)		(145)		(429)		(111)	—		—
Total Company	$	8,350	$	1,909	$	7,991	$	2,011	4.5	%	(5.1)	%

	Nine months ended September 30,
	2020				2019				% change
	Net		Oper.		Net		Oper.		Net		Oper.
(Dollars in millions)	Sales		Income		Sales		Income		Sales		Income
Business Segments
Safety and Industrial	$	8,627	$	2,185	$	8,729	$	1,931	(1.2)	%	13.2	%
Transportation and Electronics		6,489		1,416		7,305		1,747	(11.2)		(18.9)
Health Care		6,088		1,270		5,290		1,401	15.1		(9.4)
Consumer		3,911		914		3,862		821	1.3		11.4
Corporate and Unallocated		(1)		(89)		98		(743)	—		—
Elimination of Dual Credit		(1,513)		(384)		(1,259)		(308)	—		—
Total Company	$	23,601	$	5,312	$	24,025	$	4,849	(1.8)	%	9.6	%

	Three months ended September 30, 2020
Worldwide Sales Change	Organic local-								Total sales
By Business Segment	currency sales		Acquisitions		Divestitures		Translation		change
Safety and Industrial	6.9	%	—	%	(0.4)	%	0.4	%	6.9	%
Transportation and Electronics	(7.1)		—		(1.2)		0.9		(7.4)
Health Care	8.1		23.4		(7.1)		1.1		25.5
Consumer	5.5		—		—		0.1		5.6
Total Company	0.9	%	4.8	%	(1.8)	%	0.6	%	4.5	%

	Nine months ended September 30, 2020
Worldwide Sales Change	Organic local-								Total sales
By Business Segment	currency sales		Acquisitions		Divestitures		Translation		change
Safety and Industrial	0.9	%	—	%	(0.8)	%	(1.3)	%	(1.2)	%
Transportation and Electronics	(9.8)		—		(1.0)		(0.4)		(11.2)
Health Care	(1.3)		20.9		(3.7)		(0.8)		15.1
Consumer	2.1		—		—		(0.8)		1.3
Total Company	(4.1)	%	4.5	%	(1.3)	%	(0.9)	%	(1.8)	%

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Sales by geographic area:

Percent change information compares the third quarter and first nine months of 2020 with the same period last year, unless otherwise indicated. From a geographic perspective, any references to EMEA refer to Europe, Middle East and Africa on a combined basis.

	Three months ended September 30, 2020
							Europe,
				Asia			Middle East			Other
	Americas			Pacific			& Africa			Unallocated		Worldwide
Net sales (millions)	$	4,347		$	2,474		$	1,528		$	1	$	8,350
% of worldwide sales		52.1	%		29.6	%		18.3	%		—		100.0	%
Components of net sales change:
Volume — organic		2.3	%		(1.8)	%		(1.8)	%		—		0.3	%
Price		1.1			(0.8)			1.5			—		0.6
Organic local-currency sales		3.4			(2.6)			(0.3)			—		0.9
Acquisitions		7.5			1.0			4.1			—		4.8
Divestitures		(1.8)			(0.6)			(4.0)			—		(1.8)
Translation		(1.4)			1.6			4.6			—		0.6
Total sales change		7.7	%		(0.6)	%		4.4	%		—		4.5	%
Total sales change:
Safety and Industrial		8.3	%		0.1	%		11.3	%		—		6.9	%
Transportation and Electronics		(14.6)	%		(2.2)	%		(12.7)	%		—		(7.4)	%
Health Care		37.3	%		4.6	%		15.4	%		—		25.5	%
Consumer		5.8	%		1.6	%		10.0	%		—		5.6	%
Organic local-currency sales change:
Safety and Industrial		10.5	%		(1.6)	%		7.7	%		—		6.9	%
Transportation and Electronics		(10.8)	%		(2.7)	%		(16.4)	%		—		(7.1)	%
Health Care		12.7	%		(3.9)	%		8.5	%		—		8.1	%
Consumer		6.9	%		(0.6)	%		4.8	%		—		5.5	%

Additional information beyond what is included in the preceding table is as follows:

● In the Americas geographic area, U.S. total sales increased 11 percent and organic-local currency sales increased 5 percent. Total sales in Mexico decreased 15 percent and organic local-currency sales decreased 13 percent. In Canada, total sales increased 4 percent as organic local-currency sales decreases of 1 percent were more than offset by acquisition-related sale growth. In Brazil, total sales decreased 14 percent while organic local-currency sales increased 12 percent, as organic sales growth was more than offset by foreign currency translation impacts.

● In the Asia Pacific geographic area, China total sales increased 10 percent and organic local-currency sales increased 8 percent. In Japan, total sales decreased 10 percent and organic local-currency sales decreased 13 percent.

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	Nine months ended September 30, 2020
							Europe,
				Asia			Middle East			Other
	Americas			Pacific			& Africa			Unallocated		Worldwide
Net sales (millions)	$	12,122		$	7,029		$	4,450		$	—	$	23,601
% of worldwide sales		51.4	%		29.8	%		18.8	%		—		100.0	%
Components of net sales change:
Volume — organic		(3.8)	%		(4.5)	%		(6.7)	%		—		(4.6)	%
Price		0.9			(0.5)			1.1			—		0.5
Organic local-currency sales		(2.9)			(5.0)			(5.6)			—		(4.1)
Acquisitions		7.1			0.9			3.6			—		4.5
Divestitures		(1.5)			(0.2)			(2.7)			—		(1.3)
Translation		(1.4)			(0.5)			(0.2)			—		(0.9)
Total sales change		1.3	%		(4.8)	%		(4.9)	%		—		(1.8)	%
Total sales change:
Safety and Industrial		(0.5)	%		(3.9)	%		0.3	%		—		(1.2)	%
Transportation and Electronics		(18.1)	%		(5.2)	%		(18.0)	%		—		(11.2)	%
Health Care		26.6	%		(2.7)	%		4.3	%		—		15.1	%
Consumer		2.9	%		(2.6)	%		(2.6)	%		—		1.3	%
Organic local-currency sales change:
Safety and Industrial		1.8	%		(2.7)	%		3.0	%		—		0.9	%
Transportation and Electronics		(14.4)	%		(4.7)	%		(17.7)	%		—		(9.8)	%
Health Care		1.8	%		(7.9)	%		(2.4)	%		—		(1.3)	%
Consumer		4.0	%		(2.4)	%		(2.7)	%		—		2.1	%

Additional information beyond what is included in the preceding table is as follows:

● In the Americas geographic area, U.S. total sales increased 5 percent as organic-local currency sale decreases of 1 percent were more than offset by acquisition-related sales growth. Total sales in Mexico decreased 18 percent and organic local-currency sales decreased 16 percent. In Canada, total sales decreased 3 percent and organic local-currency sales decreased 6 percent. In Brazil, total sales decreased 20 percent while organic local-currency sales increased 2 percent, as organic sales growth was more than offset by foreign currency translation impacts.

● In the Asia Pacific geographic area, China total sales decreased 1 percent and organic local-currency sales were flat. In Japan, total sales decreased 5 percent and organic local-currency sales decreased 8 percent.

Managing currency risks:

The stronger U.S. dollar had a negative impact on sales in the first nine months of 2020 compared to the same period last year, which was partially offset by the positive impact of the weakening dollar in the third quarter of 2020 compared to the same period last year. Net of the Company’s hedging strategy, foreign currency negatively impacted earnings in the third quarter and first nine months of 2020 compared to the same periods last year. 3M utilizes a number of tools to hedge currency risk related to earnings. 3M uses natural hedges such as pricing, productivity, hard currency and hard currency-indexed billings, and localizing source of supply. 3M also uses financial hedges to mitigate currency risk. In the case of more liquid currencies, 3M hedges a portion of its aggregate exposure, using a 12, 24 or 36 month horizon, depending on the currency in question. For less liquid currencies, financial hedging is frequently more expensive with more limitations on tenor. Thus, this risk is largely managed via local operational actions using natural hedging tools as discussed above. In either case, 3M’s hedging approach is designed to mitigate a portion of foreign currency risk and reduce volatility, ultimately allowing time for 3M’s businesses to respond to changes in the marketplace.

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Financial condition:

3M generated $5.598 billion of operating cash flows in the first nine months of 2020, an increase of $866 million when compared to the first nine months of 2019, with this increase primarily due to cost saving actions taken in response to COVID-19 and lower year-on-year significant litigation-related charges and the timing of associated payments. Refer to the section entitled “Financial Condition and Liquidity” later in MD&A for a discussion of items impacting cash flows.

In November 2018, 3M’s Board of Directors replaced the Company’s February 2016 repurchase program with a new repurchase program. This new program authorizes the repurchase of up to $10 billion of 3M’s outstanding common stock, with no pre-established end date. In the first nine months of 2020, the Company purchased $366 million of its own stock, compared to $1.2 billion of stock purchases in the first nine months of 2019. As of September 30, 2020, approximately $7.8 billion remained available under the authorization. In the first quarter of 2020, the Company suspended its stock repurchase program in the face of uncertainty arising from the COVID-19 pandemic. In February 2020, 3M’s Board of Directors declared a first-quarter 2020 dividend of $1.47 per share, an increase of 2 percent. This marked the 62^nd consecutive year of dividend increases for 3M. In May 2020, 3M’s Board of Directors declared a second-quarter dividend of $1.47 per share. In August 2020, 3M’s Board of Directors declared a third-quarter dividend of $1.47 per share.

3M currently has an A1 credit rating with a negative outlook from Moody’s Investors Service and an A+ credit rating with a negative outlook from Standard & Poor’s. The Company generates significant ongoing cash flow and has proven access to capital markets funding throughout business cycles.

3M expects to contribute approximately $200 million of cash to its global defined benefit pension and postretirement plans in 2020. The Company does not have a required minimum cash pension contribution obligation for its U.S. plans in 2020.

RESULTS OF OPERATIONS

Net Sales:

Refer to the preceding “Overview” section and the “Performance by Business Segment” section later in MD&A for additional discussion of sales change.

Operating Expenses:

	Three months ended						Nine months ended
	September 30,						September 30,
(Percent of net sales)	2020		2019		Change		2020		2019		Change
Cost of sales	51.5	%	52.4	%	(0.9)	%	51.7	%	53.3	%	(1.6)	%
Selling, general and administrative expenses	20.1		18.2		1.9		21.4		21.2		0.2
Research, development and related expenses	5.5		5.5		—		6.0		5.8		0.2
Gain on sale of businesses	—		(1.3)		1.3		(1.6)		(0.5)		(1.1)
Operating income margin	22.9	%	25.2	%	(2.3)	%	22.5	%	20.2	%	2.3	%

3M expects global defined benefit pension and postretirement service cost expense in 2020 to increase by approximately $34 million pre-tax when compared to 2019, which impacts cost of sales; selling, general and administrative expenses (SG&A); and research, development and related expenses (R&D). The year-on-year increase in defined benefit pension and postretirement service cost expense for the third quarter and first nine months of 2020 was approximately $11 million and $27 million, respectively.

The Company is investing in an initiative called business transformation, with these investments impacting cost of sales, SG&A, and R&D. Business transformation encompasses the ongoing multi-year phased implementation of an enterprise resource planning (ERP) system on a worldwide basis, as well as changes in processes and internal/external service delivery across 3M.

Following the divestiture of substantially all of the drug delivery business management approved and committed to undertake certain restructuring actions addressing corporate functional costs and manufacturing footprint across 3M in relation to the magnitude of

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amounts previously allocated/burdened to the divested business (as discussed earlier in the Certain amounts adjusted for special items - (non-GAAP measures). In addition, the Company approved and committed to certain restructuring actions addressing structural enterprise costs and operations in certain end markets as a result of the COVID-19 pandemic and related economic impacts. These restructuring actions impacted cost of sales, SG&A, and R&D. 3M also reflected adjustments in 2020 related to restructuring initiated in 2019. See Note 5 for additional details.

Additionally, the Company’s operating expenses were impacted by factors described in the preceding Overview – Consideration of COVID-19 section above.

Cost of Sales:

Cost of sales includes manufacturing, engineering and freight costs.

Cost of sales, measured as a percent of sales, decreased in the third quarter and first nine months of 2020 when compared to the same periods last year. Decreases were related to lower significant litigation-related charges taken in the first quarter of 2020 compared to the same period in 2019, which were partially offset by COVID-related net impacts, including period expenses of unabsorbed manufacturing costs, in addition to higher restructuring action charges taken in the second quarter of 2020 versus the same period last year along with certain related follow-on accelerated depreciation. In addition, selling price increased net sales year-on-year by 0.6 percent in the third quarter and 0.5 percent in the first nine months of 2020, and lower raw material costs reduced cost of sales as a percentage of sales.

Selling, General and Administrative Expenses:

SG&A, as a percent of sales, increased in the third quarter and first nine months of 2020 when compared to the same periods last year. SG&A was affected by the COVID-19 pandemic’s impact on overall sales and as a result yielded higher costs as a percent of sales. SG&A was also impacted by increased spending year-on-year related to Acelity, which was acquired in the fourth quarter of 2019. Partially offsetting these were cost saving actions taken in response to COVID-19, in addition to lower year-on-year second quarter impact related to restructuring action charges and benefits from prior year restructuring (and adjustments thereto in 2020). Additional factors that decreased SG&A in the first nine months of 2020 also include lower year-on-year impact related to significant litigation-related charges.

Research, Development and Related Expenses:

R&D in dollars increased $18 million and $32 million in the third quarter and first nine months of 2020, respectively, when compared to the same period last year. R&D, measured as a percent of sales, was flat for the third quarter and and increased for the first nine months of 2020, as 3M continued to invest in its key initiatives, including R&D aimed at disruptive innovation programs with the potential to create entirely new markets and disrupt existing markets. The increase is primarily driven by additional R&D spending related to the Company’s acquisition of Acelity.

Gain on Sale of Businesses:

During the first quarter of 2020, the Company recorded a pre-tax gain of $2 million ($1 million loss after tax) related to the sale of its advanced ballistic-protection business and recognition of certain contingent consideration. During the second quarter of 2020, the Company recorded a pre-tax gain of $387 million ($304 after tax) related to the sale of substantially all of its drug delivery business.

During the first quarter of 2019, the Company sold certain oral care technology comprising a business and reflected an earnout on a previous divestiture resulting in a pre-tax gain of $8 million ($7 million gain after tax). In the third quarter of 2019, 3M recorded a gain related to the divestiture of the Company’s gas and flame detection business and an immaterial impact as a result of measuring a disposal group at the lower of its carrying amount or fair value less cost to sell, which in aggregate resulted in a pre-tax gain of $106 million ($79 million after tax). Refer to Note 3 for additional details on divestitures.

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Operating Income:

3M uses operating income as one of its primary business segment performance measurement tools. Refer to the table below for a reconciliation of operating income margins for the three and nine months ended September 30, 2020 and 2019.

	Three months ended		Nine months ended
(Percent of net sales)	September 30, 2020		September 30, 2020
Same period last year	25.2	%	20.2	%
Significant litigation-related charges/benefits	—		2.3
Gain/loss on sale of businesses	(1.4)		(0.5)
Same period last year, excluding special items	23.8	%	22.0	%
Increase/(decrease) in operating income margin, due to:
Organic volume/productivity and other	(1.2)		(0.7)
Acquisitions/divestitures	(0.2)		(0.6)
Selling price and raw material impact	0.8		0.7
Foreign exchange impacts	(0.3)		(0.2)
Current period, excluding special items	22.9	%	21.2	%
Significant litigation-related charges/benefits	—		(0.1)
Gain/loss on sale of businesses	—		1.6
Divestiture-related restructuring actions	—		(0.2)
Current period	22.9	%	22.5	%

Operating income margins decreased 2.3 percentage points and increased 2.3 percentage points year-on-year in the third quarter and first nine months of 2020, respectively. Factoring out the impact on operating income of special items as described in the Certain amounts adjusted for special items - (non-GAAP measures) section above, operating margins decreased 0.9 and 0.8 percentage points to 22.9 percent and 21.2 percent, respectively, for the third quarter and first nine months of 2020 when compared to the same periods in 2019.

Additional discussion related to the components of the year-on-year change in operating income margins follows:

Organic volume/productivity and other:

● Lower organic volume growth in the first nine months of 2020 as a result of significant COVID-19 related impacts, in addition to COVID-related net factors described in the preceding Overview—Consideration of COVID-19 section, decreased operating income margins year-on-year. These net factors included cost saving actions taken in response to COVID-19 but also reflected second quarter 2020 charges for items such as restructuring actions addressing structural enterprise costs and operations in certain end markets as a result of the COVID-19 pandemic and related economic impact (further described in Note 5) along with certain related follow-on accelerated depreciation. Additional items that reduced operating income margins year-on-year include net gains related to certain property sales in the third quarter of 2019. Partially offsetting this net decrease were benefits recognized in the first nine months of 2020 related to restructuring and other actions taken in 2019 (and adjustments thereto in 2020) in addition to continued cost management and productivity efforts.

● Operating income margins decreased year-on-year due to higher defined benefit pension and postretirement service cost expense.

Acquisitions/divestitures:

● Acquisition-related impacts relate to the ongoing integration of M*Modal and Acelity, which decreased operating income margins year-on-year.

● Divestiture impacts, which includes lost operating income from divested businesses, increased operating income margins year-on-year.

Selling price and raw material impact:

● Higher selling prices in addition to lower raw material cost impacts benefited operating income margins year-on-year for both the third quarter and first nine months of 2020.

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Foreign exchange impacts:

● Foreign currency effects (net of hedge gains) decreased operating income margins year-on-year.

Significant litigation-related charges:

● Operating income margins for the first nine months of 2020 and 2019 included the $17 million and $548 million impact, respectively, of significant litigation-related charges (as discussed earlier in the Certain amounts adjusted for special items - (non-GAAP measures) section).

Gain/loss on sale of businesses:

● There were no gains on the sale of businesses for the third quarter of 2020, whereas, operating income margins for the third quarter of 2019 included gains of $106 million on the sale of businesses. The first nine months of 2020 and 2019 included gains of $389 million and $114 million, respectively, on sale of businesses. See the Certain amounts adjusted for special items - (non-GAAP measures) section for more information.

Divestiture-related restructuring actions:

● Operating income margins for the first nine months of 2020 included the $55 million second quarter impact as a result of certain restructuring actions following the divestiture of substantially all of the drug delivery business addressing corporate functional costs and manufacturing footprint across 3M in relation to the magnitude of amounts previously allocated/burdened to the divested business. Refer to Note 5 for further details. This item was also discussed earlier in the Certain amounts adjusted for special items - (non-GAAP measures) section.

Other Expense (Income), Net:

See Note 6 for a detailed breakout of this line item.

Interest expense (net of interest income) increased in the third quarter and first nine months of 2020 compared to the same period in 2019 due to higher U.S. average debt balances and lower year-on-year interest income driven by lower average interest rates on cash balances.

Other expense (income) decreased year-on-year in the first nine months 2020 primarily due to the impact of the 2019 deconsolidation of the Company’s Venezuelan subsidiary. Refer to Note 1 for additional details. In addition, other expense (income) also decreased year-on-year due to the charge associated with the voluntary retirement incentive program taken in the second quarter of 2019. Refer to Note 11 for additional details.

Provision for Income Taxes:

	Three months ended				Nine months ended
	September 30,				September 30,
(Percent of pre-tax income)	2020		2019		2020		2019
Effective tax rate	21.4	%	19.3	%	20.0	%	19.7	%

The effective tax rate for the third quarter of 2020 was 21.4 percent, compared to 19.3 percent in the third quarter of 2019, an increase of 2.1 percentage points. The effective tax rate for the first nine months of 2020 was 20.0 percent, compared to 19.7 percent in the first nine months 2019, an increase of 0.3 percentage points. Factors that impacted the tax rates between years are further discussed in the Overview section above and in Note 8.

Due to uncertainty around the ultimate impact from the COVID-19 pandemic, 3M is not providing an estimated range of its 2020 effective tax rate at this time. The Company will continue to assess the situation and provide quarterly updates throughout the year.

The tax rate can vary from quarter to quarter due to discrete items, such as the settlement of income tax audits, changes in tax laws, and employee share-based payment accounting; as well as recurring factors, such as the geographic mix of income before taxes.

Refer to Note 8 for further discussion of income taxes.

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Net Income (Loss) Attributable to Noncontrolling Interest:

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Net income (loss) attributable to noncontrolling interest	$	4	$	5	$	3	$	11

Net income (loss) attributable to noncontrolling interest represents the elimination of the income or loss attributable to non-3M ownership interests in 3M consolidated entities. The primary noncontrolling interest relates to 3M India Limited, of which 3M’s effective ownership is 75 percent.

Currency Effects:

3M estimates that year-on-year currency effects, including hedging impacts, decreased pre-tax income by approximately $8 million and $103 million for the third quarter of 2020 and nine months ended September 30, 2020, respectively. This estimate includes the effect of translating profits from local currencies into U.S. dollars; the impact of currency fluctuations on the transfer of goods between 3M operations in the United States and abroad; and transaction gains and losses, including derivative instruments designed to reduce foreign currency exchange rate risks. 3M estimates that year-on-year foreign currency transaction effects, including hedging impacts, decreased pre-tax income by approximately $15 million and $4 million for the three and nine months ended September 30, 2020, respectively. These estimates include transaction gains and losses, including derivative instruments designed to reduce foreign currency exchange rate risks.

Significant Accounting Policies:

Information regarding new accounting standards is included in Note 1 to the Consolidated Financial Statements.

PERFORMANCE BY BUSINESS SEGMENT

Disclosures relating to 3M’s business segments are provided in Note 16. Effective in the second quarter of 2020, the measure of segment operating performance used by 3M’s chief operating decision maker (CODM) changed and, as a result, 3M’s disclosed measure of segment profit/loss (business segment operating income) has been updated for all periods presented. The change to business segment operating income aligns with the update to how the CODM assesses performance and allocates resources for the Company’s business segments.

As discussed in Note 16, 3M discloses business segment operating income as its measure of segment profit/loss, reconciled to both total 3M operating income and income before taxes. Business segment operating income includes dual credit for certain related operating income (as described below in “Elimination of Dual Credit”). Business segment operating income excludes certain expenses and income that are not allocated to business segments (as described below in “Corporate and Unallocated”). Additionally, the following special items are excluded from business segment operating income and, instead, are included within Corporate and Unallocated: significant litigation-related charges/benefits, gain/loss on sale of businesses, and divestiture-related restructuring actions.

Additionally, effective in the first quarter of 2020, the Company changed its business segment reporting (see Note 16 for additional details).

Information provided herein reflects the impact of these changes for all periods presented. 3M manages its operations in four business segments. The reportable segments are Safety and Industrial; Transportation and Electronics; Health Care; and Consumer.

Corporate and Unallocated:

In addition to these four business segments, 3M assigns certain costs to “Corporate and Unallocated,” which is presented separately in the preceding business segments table and in Note 16. Corporate and Unallocated 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

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and environmental expenses, corporate restructuring charges and certain under- or over-absorbed costs (e.g. pension, stock-based compensation) that the Company determines not to allocate directly to its business segments. Additionally, Corporate and Unallocated operating income includes special items such as significant litigation-related charges/benefits, gain/loss on sale of businesses, and divestiture-related restructuring costs. Corporate and Unallocated also includes sales, costs, and income from contract manufacturing, transition services and other arrangements with the acquirer of the Communication Markets Division following its 2018 divestiture through 2019 and the acquirer of the former drug delivery business following its 2020 divestiture. Because this category includes a variety of miscellaneous items, it is subject to fluctuation on a quarterly and annual basis.

Corporate and Unallocated expense for the third quarter and first nine months 2020 when compared to same periods last year are as follows:

Special Items

Refer to the Certain amounts adjusted for special items - (non-GAAP measures) section and Note 5 for additional details on the impact of significant litigation-related charges/benefits, gain/loss on sale of businesses, and divestiture-related restructuring actions that are reflected in Corporate and Unallocated.

Other Corporate Expense - Net

Other corporate operating expenses increased in both the third quarter and first nine months of 2020, when compared to the same periods last year, due to lower year-on-year gains from certain property sales, in addition to transition service and other arrangement costs, net of income, post-divestiture of the Company’s former drug delivery business in 2020, and increased legal expenses. These were partially offset by lower year-on-year restructuring charges. In the second quarter of 2020 and 2019, operating expenses included non-divestiture-related restructuring charges of $23 million and $82 million, respectively, as further discussed in Note 5. In addition, 3M’s defined benefit pension and postretirement service-cost expense allocation to Corporate and Unallocated increased year-on-year.

Operating Business Segments:

Information related to 3M’s business segments for both the third quarter and first nine months of 2020 and 2019 are presented in the tables that follow. Organic local-currency sales include both organic volume impacts plus selling price impacts. Acquisition impacts, if any, are measured separately for the first twelve months post-transaction. The divestiture impacts, if any, foreign currency translation impacts and total sales change are also provided for each business segment. Any references to EMEA relate to Europe, Middle East and Africa on a combined basis.

Refer to the preceding “Sales and operating income by geographic area” section for organic local-currency sales growth by business segment within major geographic areas.

Refer to 3M’s 2019 Annual Report on Form 10-K, Item 1, Business, for discussion of 3M products that are included in each business segment.

Safety and Industrial Business:

	Three months ended						Nine months ended
	September 30,						September 30,
	2020			2019			2020			2019
Sales (millions)	$	3,024		$	2,829		$	8,627		$	8,729
Sales change analysis:
Organic local-currency		6.9	%		(3.4)	%		0.9	%		(3.6)	%
Divestitures		(0.4)			(0.8)			(0.8)			(1.9)
Translation		0.4			(1.6)			(1.3)			(2.5)
Total sales change		6.9	%		(5.8)	%		(1.2)	%		(8.0)	%
Business segment operating income (millions)	$	823		$	647		$	2,185		$	1,931
Percent change		27.2	%		(6.5)	%		13.2	%		(12.7)	%
Percent of sales		27.2	%		22.9	%		25.3	%		22.1	%

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Third quarter 2020 results:

Sales in Safety and Industrial totaled $3.0 billion, up 6.9 percent in U.S. dollars. Organic local-currency sales increased 6.9 percent, divestitures decreased sales by 0.4 percent, and foreign currency translation increased sales by 0.4 percent.

On an organic local-currency sales basis:

● Sales increased in personal safety, roofing granules and automotive aftermarket, while electrical markets, industrial adhesives and tapes, closure and masking system, and abrasives sales declined year-on-year.

● Strong growth related to unprecedented demand for respirators as a result of the COVID-19 pandemic was partially offset by softness that impacted sales growth across most of the Company’s general industrial-related portfolio.

Divestitures:

● In 2018, 3M completed the sale of substantially all of its Communication Markets Division.

● In August 2019, 3M completed the sale of its gas and flame detection business.

Business segment operating income:

● Business segment operating income margins increased 4.3 percentage points, primarily related to strong productivity and continued cost discipline.

First nine months 2020 results:

Sales in Safety and Industrial totaled $8.6 billion, down 1.2 percent in U.S. dollars. Organic local-currency sales increased 0.9 percent, divestitures decreased sales by 0.8 percent, and foreign currency translation decreased sales by 1.3 percent.

On an organic local-currency sales basis:

● Sales increased in personal safety and roofing granules, while electrical markets, industrial adhesives and tapes, closure and masking systems, automotive aftermarket, and abrasives sales declined year-on-year.

● Strong growth related to unprecedented demand for respirators as a result of the COVID-19 pandemic was more than offset by softness that impacted sales growth across most of the Company’s general industrial-related portfolio.

Divestitures:

● 2018 divestitures that impacted the first nine months of 2019 results relate to the sale of certain personal safety product offerings primarily focused on noise, environmental, and heat stress monitoring (first quarter 2018), and it’s abrasives glass products business (second quarter of 2018).

● Also in 2018, 3M completed the sale of substantially all of its Communication Markets Division.

● In August 2019, 3M completed the sale of its gas and flame detection business.

Business segment operating income:

● Business segment operating income margins increased 3.2 percentage points, primarily related to strong productivity, continued cost discipline and benefits from 2019 restructuring and other actions.

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Transportation and Electronics Business:

	Three months ended						Nine months ended
	September 30,						September 30,
	2020			2019			2020			2019
Sales (millions)	$	2,314		$	2,500		$	6,489		$	7,305
Sales change analysis:
Organic local-currency		(7.1)	%		(3.5)	%		(9.8)	%		(2.8)	%
Divestitures		(1.2)			—			(1.0)			—
Translation		0.9			(1.0)			(0.4)			(1.9)
Total sales change		(7.4)	%		(4.5)	%		(11.2)	%		(4.7)	%
Business segment operating income (millions)	$	552		$	637		$	1,416		$	1,747
Percent change		(13.2)	%		(12.3)	%		(18.9)	%		(14.7)	%
Percent of sales		23.9	%		25.4	%		21.8	%		23.9	%

Third quarter 2020 results:

Sales in Transportation and Electronics totaled $2.3 billion, down 7.4 percent in U.S. dollars. Organic local-currency sales decreased 7.1 percent, divestitures decreased sales by 1.2 percent, and foreign currency translation increased sales by 0.9 percent.

On an organic local-currency sales basis:

● Sales declined in transportation safety, commercial solutions, automotive and aerospace, and advanced materials. Automotive and aerospace was primarily impacted by the decline in global car and light truck builds. Commercial solutions and transportation safety were impacted by soft-end markets such as hospitality, advertising and highway infrastructure due to social distancing and work-from-home protocols as a result of COVID-19.

● Sales increased 1 percent in 3M’s electronics-related businesses. Electronics-related sales increases were primarily related to demand in semiconductor, data center, and factory automation end-markets, partially offset by softness in the consumer electronics end-market.

Divestitures:

● In January 2020, 3M completed the sale of its advanced ballistic-protection business. Refer to Note 3 for details.

Business segment operating income:

● Business segment operating income margins decreased 1.5 percentage points, primarily related to lower sales which were partially offset by continued cost discipline.

First nine months 2020 results:

Sales in Transportation and Electronics totaled $6.5 billion, down 11.2 percent in U.S. dollars. Organic local-currency sales decreased 9.8 percent, divestitures decreased sales by 1.0 percent, and foreign currency translation decreased sales by 0.4 percent.

On an organic local-currency sales basis:

● Sales declined in transportation safety, advanced materials, commercial solutions, and automotive and aerospace. Automotive and aerospace was primarily impacted by the decline in global car and light truck builds. Commercial solutions and transportation safety were impacted by soft-end markets such as hospitality, advertising and highway infrastructure due to social distancing and work-from-home protocols as a result of COVID-19.

● Sales were flat in 3M’s electronics-related businesses. Electronics-related growth was led by demand for semiconductor, data center, and factory automation end-markets, offset by softness in the consumer electronics end-market.

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Divestitures:

● In January 2020, 3M completed the sale of its advanced ballistic-protection business. Refer to Note 3 for details.

Business segment operating income:

● Business segment operating income margins decreased 2.1 percentage points, primarily related to lower sales and reduced productivity in key end-markets due to COVID-19 related impacts, partially offset by continued cost discipline and benefits from last year’s restructuring actions.

Health Care Business:

	Three months ended						Nine months ended
	September 30,						September 30,
	2020			2019			2020			2019
Sales (millions)	$	2,160		$	1,721		$	6,088		$	5,290
Sales change analysis:
Organic local-currency		8.1	%		2.1	%		(1.3)	%		2.1	%
Acquisitions		23.4			4.4			20.9			3.8
Divestitures		(7.1)			—			(3.7)			—
Translation		1.1			(1.7)			(0.8)			(2.5)
Total sales change		25.5	%		4.8	%		15.1	%		3.4	%
Business segment operating income (millions)	$	508		$	459		$	1,270		$	1,401
Percent change		10.6	%		(3.1)	%		(9.4)	%		(2.7)	%
Percent of sales		23.5	%		26.7	%		20.9	%		26.5	%

Third quarter 2020 results:

Sales in Health Care totaled $2.2 billion, up 25.5 percent in U.S. dollars. Organic local-currency sales increased 8.1 percent, acquisitions increased sales by 23.4 percent, divestitures decreased sales by 7.1 percent, and foreign currency translation increased sales by 1.1 percent.

On an organic local-currency sales basis:

● Sales increased in medical solutions, separation and purification sciences, and oral care, while sales declined in food safety and health information systems.

● Medical solutions and oral care benefitted from increases in healthcare and elective procedure volumes, after significant disruptions in the second quarter, in addition to strong pandemic-related demand for disposable respirators. These increases were partially offset by decreases in food safety, as a result of pandemic and related prevention protocols continuing to negatively impact the food services industry, and in health information systems, due to hospitals remaining cautious relative to their information technology investments.

Acquisitions:

● In February 2019, 3M acquired M*Modal, a leading healthcare technology provider of cloud-based, conversational artificial intelligence-powered systems that help physicians efficiently capture and improve the patient narrative.

● In October 2019, 3M completed the acquisition of Acelity Inc. and its KCI subsidiaries, a leading global medical technology company focused on advanced wound care and specialty surgical applications.

Divestitures:

● In the first quarter of 2019, the Company sold certain oral care technology comprising a business.

● In May 2020, 3M completed the sale of substantially all of its drug delivery business.

Business segment operating income:

● Business segment operating income margins decreased 3.2 percentage points year-on-year, primarily driven by impacts related to the Acelity acquisition and investments in productivity and growth, partially offset by continued cost discipline.

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First nine months 2020 results:

Sales in Health Care totaled $6.1 billion, up 15.1 percent in U.S. dollars. Organic local-currency sales decreased 1.3 percent, acquisitions increased sales by 20.9 percent, divestitures decreased sales by 3.7 percent, and foreign currency translation decreased sales by 0.8 percent.

On an organic local-currency sales basis:

● Sales increased in separation and purification sciences, medical solutions, and food safety, while sales decreased in health information systems and oral care.

● Increases in healthcare and elective procedure volumes benefited both Medical solutions and oral care after significant disruptions in the second quarter, with strong pandemic-related demand for disposable respirators resulting in increased sales for medical solutions, while oral care sales decreased year-on-year. In addition, health information systems decreased due to hospitals remaining cautious relative to their information technology investments.

Acquisitions:

● In February 2019, 3M acquired M*Modal, a leading healthcare technology provider of cloud-based, conversational artificial intelligence-powered systems that help physicians efficiently capture and improve the patient narrative.

● In October 2019, 3M completed the acquisition of Acelity Inc. and its KCI subsidiaries, a leading global medical technology company focused on advanced wound care and specialty surgical applications.

Divestitures:

● In the first quarter of 2019, the Company sold certain oral care technology comprising a business.

● In May 2020, 3M completed the sale of substantially all of its drug delivery business.

Business segment operating income:

● Business segment operating income margins decreased 5.6 percentage points year-on-year, driven by impacts related to the Acelity acquisition in addition to significant sales declines in oral care during the second quarter of 2020, partially offset by continued cost discipline and benefits from 2019 restructuring and other costs.

Consumer Business:

	Three months ended						Nine months ended
	September 30,						September 30,
	2020			2019			2020			2019
Sales (millions)	$	1,417		$	1,342		$	3,911		$	3,862
Sales change analysis:
Organic local-currency		5.5	%		3.4	%		2.1	%		2.1	%
Translation		0.1			(0.9)			(0.8)			(1.5)
Total sales change		5.6	%		2.5	%		1.3	%		0.6	%
Business segment operating income (millions)	$	358		$	313		$	914		$	821
Percent change		14.7	%		3.1	%		11.4	%		0.2	%
Percent of sales		25.3	%		23.3	%		23.4	%		21.3	%

Third quarter 2020 results:

Sales in Consumer totaled $1.4 billion, an increase of 5.6 percent in U.S. dollars. Organic local-currency sales increased 5.5 percent and foreign currency translation increased sales by 0.1 percent.

On an organic local-currency sales basis:

● Sales grew in home care and home improvement, while consumer health care was flat.

● Stationery and office declined year-on-year as a result of many business offices and schools remaining partially or fully closed due to the pandemic.

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● Sales showed continued strength in the Company’s Command^TM, Filtrete^TM, Scotch Blue^TM, Scotch Brite^TM, and Meguiars^TM brands.

Business segment operating income:

● Business segment operating income margins increased 2.0 percentage points year-on-year as a result of strong organic sales growth and continued cost discipline.

First nine months 2020 result:

Sales in Consumer totaled $3.9 billion, an increase of 1.3 percent in U.S. dollars. Organic local-currency sales increased 2.1 percent and foreign currency translation decreased sales by 0.8 percent.

On an organic local-currency sales basis:

● Sales grew in home care and home improvement, while consumer health care and stationery and office declined.

● Stationery and office declined year-on-year as a result of many business offices and schools remaining partially or fully closed due to the pandemic.

● Sales showed continued strength in the Company’s Command^TM, Filtrete^TM, Scotch Blue^TM, Scotch Brite^TM, and Meguiars^TM brands.

Business segment operating income:

● Business segment operating income margins increased 2.1 percentage points year-on-year as a result of strong organic sales growth and continued cost discipline.

FINANCIAL CONDITION AND LIQUIDITY

The strength and stability of 3M’s business model and strong free cash flow capability, together with proven capital markets access, provides financial flexibility and enables the Company to invest through business cycles. Investing in 3M’s business to drive organic growth and deliver strong return on invested capital remains the first priority for capital deployment. This includes research and development, capital expenditures, and commercialization capability. Organic investments will be supplemented by complementary acquisitions. The Company also continues to actively manage its portfolio to maximize value for shareholders. Given uncertainty arising from COVID-19, the Company suspended its share repurchase program effective March 2020. 3M will continue to return cash to shareholders through dividends and will consider whether to resume share repurchases once the COVID-19 impacts are better known. 3M maintains strong liquidity and further added to its liquidity position through the issuance of $1.75 billion in registered notes in March 2020. To fund cash needs in the United States, the Company relies on ongoing cash flow from U.S. operations, access to capital markets and repatriation of the earnings of its foreign affiliates that are not considered to be permanently reinvested. For those international earnings still considered to be reinvested indefinitely, the Company currently has no plans or intentions to repatriate these funds for U.S. operations. See Note 8 for further information on earnings considered to be reinvested indefinitely.

3M’s primary short-term liquidity needs are met through cash on hand and U.S. commercial paper issuances. 3M believes it will have continuous access to the commercial paper market. 3M’s commercial paper program permits the Company to have a maximum of $5 billion outstanding with a maximum maturity of 397 days from date of issuance. At September 30, 2020, there was no commercial paper issued and outstanding, compared to $150 million outstanding at December 31, 2019.

Total debt:

The strength of 3M’s credit profile and significant ongoing cash flows provide 3M proven access to capital markets. Additionally, the Company’s debt maturity profile is staggered to help ensure refinancing needs in any given year are reasonable in proportion to the total portfolio. 3M currently has an A1 credit rating with a negative outlook from Moody’s Investors Service and an A+ credit rating with a negative outlook from Standard & Poor’s.

The Company’s total debt was $0.7 billion lower at September 30, 2020 when compared to December 31, 2019. Decreases in debt include the repayment of aggregate $445 million principal amount of Third Lien Notes subject to in-substance defeasance (see Note 10), 650 million euros and $500 million aggregate principal amount of floating-rate medium-term notes that matured, lower

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commercial paper balance, and the repayment of the 80 billion Japanese yen and 150 million euro credit facilities. These decreases were partially offset by the March 2020 issuance of $1.75 billion of registered notes. For discussion of repayments of and proceeds from debt refer to the following “Cash Flows from Financing Activities” section.

In July 2017, the United Kingdom’s Financial Conduct Authority announced that it would no longer require banks to submit rates for the London InterBank Offered Rate (“LIBOR”) after 2021. The Company is in the process of reviewing its debt securities, bank facilities, derivative instruments and commercial contracts that utilize LIBOR as the reference rate. 3M will continue its impact assessment and monitor regulatory developments during the transition period.

Effective February 10, 2020, the Company updated its “well-known seasoned issuer” (WKSI) shelf registration statement, which registers an indeterminate amount of debt or equity securities for future issuance and sale. This replaced 3M’s previous shelf registration dated February 24, 2017. In May 2016, in connection with the WKSI shelf, 3M entered into an amended and restated distribution agreement relating to the future issuance and sale (from time to time) of the Company’s medium-term notes program (Series F), up to the aggregate principal amount of $18 billion, which was an increase from the previous aggregate principal amount up to $9 billion of the same Series.

As of September 30, 2020, the total amount of debt issued as part of the medium-term notes program (Series F), inclusive of debt issued in February 2019 and prior years is approximately $17.6 billion (utilizing the foreign exchange rates applicable at the time of issuance for the euro denominated debt). Additionally, the August 2019 and March 2020 debt was issued under the WKSI shelf registration, but not as part of the medium-term notes program (Series F). Information with respect to long-term debt issuances and maturities for the periods presented is included in Note 10 of this Form 10-Q and Note 12 of 3M’s 2019 Annual Report on Form 10-K.

The Company has a $3.0 billion five-year revolving credit facility expiring in November 2024. The revolving credit agreement includes a provision under which 3M may request an increase of up to $1.0 billion (at lender’s discretion), bringing the total facility up to $4.0 billion. In addition, 3M entered into a $1.25 billion 364-day credit facility expiring in November 2020. The 364-day credit agreement includes a provision under which 3M may convert any advances outstanding on the maturity date into term loans with a maturity date one year later. These credit facilities were undrawn at September 30, 2020. Under both the $3.0 billion and $1.25 billion credit agreements, the Company is required to maintain its EBITDA to Interest Ratio as of the end of each fiscal quarter at not less than 3.0 to 1. This is calculated (as defined in the agreement) as the ratio of consolidated total EBITDA for the four consecutive quarters then ended to total interest expense on all funded debt for the same period. At September 30, 2020, this ratio was approximately 17 to 1. Debt covenants do not restrict the payment of dividends.

Apart from the committed credit facilities described above, 3M has a credit facility initially expiring in July 2020 in the amount of 80 billion Japanese yen that in July 2020 was further extended until August 2021. In November 2019, 3M entered into a credit facility expiring in November 2020 in the amount of 150 million euros. During the third quarter of 2020, the Company paid the outstanding balances and closed these credit facilities. The Company also had $271 million in stand-alone letters of credit and bank guarantees issued and outstanding at September 30, 2020. These instruments are utilized in connection with normal business activities.

Cash, cash equivalents and marketable securities:

At September 30, 2020, 3M had $4.6 billion of cash, cash equivalents and marketable securities, of which approximately $2.9 billion was held by the Company’s foreign subsidiaries and approximately $1.7 billion was held in the United States. These balances are invested in bank instruments and other high-quality fixed income securities. At December 31, 2019, cash, cash equivalents and marketable securities held by the Company’s foreign subsidiaries and in the United States totaled approximately $2.4 billion and $100 million, respectively. The increase from December 31, 2019 primarily resulted from $1.75 billion of debt the Company issued in March 2020 in light of the uncertain impact of the COVID-19 pandemic.

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Net Debt (non-GAAP measure):

Net debt is not defined under U.S. GAAP and may not be computed the same as similarly titled measures used by other companies. The Company defines net debt as total debt less the total of cash, cash equivalents and current and long-term marketable securities. 3M believes net debt is meaningful to investors as 3M considers net debt and its components to be important indicators of liquidity and financial position. The following table provides net debt as of September 30, 2020 and December 31, 2019.

(Millions)	September 30, 2020		December 31, 2019		Change
Total debt	$	19,598	$	20,313	$	(715)
Less: Cash, cash equivalents and marketable securities		4,595		2,494		2,101
Net debt (non-GAAP measure)	$	15,003	$	17,819	$	(2,816)

Refer to the preceding “Total Debt” and “Cash, Cash Equivalents and Marketable Securities” sections for additional details.

Balance Sheet:

3M’s strong balance sheet and liquidity provide the Company with significant flexibility to fund its numerous opportunities going forward. The Company will continue to invest in its operations to drive growth, including continual review of acquisition opportunities.

The Company uses working capital measures that place emphasis and focus on certain working capital assets, such as accounts receivable and inventory activity.

Working capital (non-GAAP measure):

(Millions)	September 30, 2020		December 31, 2019		Change
Current assets	$	14,110	$	12,971	$	1,139
Less: Current liabilities		7,410		9,222		(1,812)
Working capital (non-GAAP measure)	$	6,700	$	3,749	$	2,951

Various assets and liabilities, including cash and short-term debt, can fluctuate significantly from month to month depending on short-term liquidity needs. Working capital is not defined under U.S. generally accepted accounting principles and may not be computed the same as similarly titled measures used by other companies. The Company defines working capital as current assets minus current liabilities. 3M believes working capital is meaningful to investors as a measure of operational efficiency and short-term financial health.

Working capital increased $3.0 billion compared with December 31, 2019. Balance changes in current assets increased working capital by $1.2 billion, driven by increases to cash and cash equivalents, partially offset by decreases in account receivable and inventory. Balance changes in current liabilities increased working capital by $1.8 billion, primarily due to decreases in short-term borrowing and the current portion of long-term debt.

Accounts receivable decreased $168 million compared to December 31, 2019, primarily due to lower sales in 2020 in relation to sales in the fourth quarter 2019 and increased expected credit losses on customer receivables related to COVID-19 uncertainty. Inventory decreased $150 million from December 31, 2019 as a result of actions taken to reduce inventory in light of slower growth conditions in several key end-markets, changes in channel inventory levels by customers related to impacts from COVID-19 and improving sequential organic sales volumes in the third quarter. Inventory also decreased as a result of the divestiture of the drug delivery business.

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Cash Flows:

Cash flows from operating, investing and financing activities are provided in the tables that follow. Individual amounts in the Consolidated Statement of Cash Flows exclude the effects of acquisitions, divestitures and exchange rate impacts on cash and cash equivalents, which are presented separately in the cash flows. Thus, the amounts presented in the following operating, investing and financing activities tables reflect changes in balances from period to period adjusted for these effects.

Cash Flows from Operating Activities:

	Nine months ended
	September 30,
(Millions)	2020		2019
Net income including noncontrolling interest	$	3,998	$	3,612
Depreciation and amortization		1,413		1,130
Company pension and postretirement contributions		(122)		(129)
Company pension and postretirement expense		295		242
Stock-based compensation expense		216		230
Gain on sale of businesses		(389)		(111)
Income taxes (deferred and accrued income taxes)		89		(141)
Loss on deconsolidation of Venezuelan subsidiary		—		162
Accounts receivable		113		(14)
Inventories		43		255
Accounts payable		(48)		(222)
Other — net		(10)		(282)
Net cash provided by (used in) operating activities	$	5,598	$	4,732

Cash flows from operating activities can fluctuate significantly from period to period, as pension funding decisions, tax timing differences and other items can significantly impact cash flows.

In the first nine months of 2020, cash flows provided by operating activities increased $0.9 billion compared to the same period last year, with this increase primarily due to cost saving actions taken in response to COVID-19 and lower year-on-year significant litigation-related charges and the timing of associated payments. The combination of accounts receivable, inventories and accounts payable increased working capital by $108 million in the first nine months of 2020, compared to the working capital increases of $19 million in the first nine months of 2019. Additional discussion on working capital changes is provided earlier in the “Financial Condition and Liquidity” section.

Cash Flows from Investing Activities:

	Nine months ended
	September 30,
(Millions)	2020		2019
Purchases of property, plant and equipment (PP&E)	$	(1,079)	$	(1,161)
Proceeds from sale of PP&E and other assets		29		91
Acquisitions, net of cash acquired		(25)		(704)
Purchases and proceeds from maturities and sale of marketable securities and investments, net		170		348
Proceeds from sale of businesses, net of cash sold		576		236
Other — net		8		45
Net cash provided by (used in) investing activities	$	(321)	$	(1,145)

Investments in property, plant and equipment enable growth across many diverse markets, helping to meet product demand and increasing manufacturing efficiency. The Company expects full-year 2020 estimated capital spending to be approximately $1.4 billion to $1.5 billion (which was further updated in the third quarter of 2020 versus original guidance of $1.6 billion to $1.8 billion) as 3M

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reduces overall spending in light of uncertainty regarding COVID-19, but continues to invest in expanding the Company’s ability to increase production of respiratory products to meet worldwide demand.

3M invests in renewal and maintenance programs, which pertain to cost reduction, cycle time, maintaining and renewing current capacity, eliminating pollution, and compliance. Costs related to maintenance, ordinary repairs, and certain other items are expensed. 3M also invests in growth, which adds to capacity, driven by new products, both through expansion of current facilities and new facilities. Finally, 3M also invests in other initiatives, such as information technology (IT), laboratory facilities, and a continued focus on investments in sustainability.

Refer to Note 3 for information on acquisitions and divestitures. The Company is actively considering additional acquisitions, investments and strategic alliances, and from time to time may also divest certain businesses. Acquisitions, net of cash acquired, in the first nine months of 2019 primarily includes the purchase of M*Modal. Acquisitions, net of cash acquired, in the first nine months of 2020 primarily relate to the payment made for contingent consideration in regards to the Acelity acquisition. Proceeds from sale of businesses in 2019 primarily relate to the sale of certain oral care technology comprising a business and the gas and flame detection business. Proceeds from sale of businesses in 2020 primarily relate to the sales of the Company’s advanced ballistic-protection business and its drug delivery business.

Purchases of marketable securities and investments and proceeds from maturities and sale of marketable securities and investments are primarily attributable to certificates of deposit/time deposits, commercial paper, and other securities, which are classified as available-for-sale. In the first nine months of 2020 these included the maturity of the held-to-maturity debt security that was entered into to satisfy the redemption of the Third Lien Notes (which matured in May 2020). Refer to Note 9 for more details about 3M’s diversified marketable securities portfolio. Purchases of investments include additional survivor benefit insurance, plus investments in equity securities.

Cash Flows from Financing Activities:

	Nine months ended
	September 30,
(Millions)	2020		2019
Change in short-term debt — net	$	(138)	$	(466)
Repayment of debt (maturities greater than 90 days)		(2,477)		(871)
Proceeds from debt (maturities greater than 90 days)		1,745		6,116
Total cash change in debt	$	(870)	$	4,779
Purchases of treasury stock		(366)		(1,243)
Proceeds from issuances of treasury stock pursuant to stock option and benefit plans		325		437
Dividends paid to shareholders		(2,540)		(2,488)
Other — net		(47)		(158)
Net cash provided by (used in) financing activities	$	(3,498)	$	1,327

Total debt was approximately $19.6 billion at September 30, 2020 and $20.3 billion at December 31, 2019. Repayment of debt primarily consists of the aggregate $445 million principal amount of Third Lien Notes and the 650 million euros and $500 million aggregate principal amount of floating-rate medium-term notes that matured in May 2020 and August 2020, respectively. Increases in debt related to the March 2020 issuance of $1.75 billion in registered notes. Outstanding commercial paper was zero at September 30, 2020, as compared to $150 million at December 31, 2019. During the third quarter of 2020, the Company paid the outstanding balances on their Japanese yen and and euro credit facilities. Net commercial paper issuances in addition to repayments and borrowings by international subsidiaries are largely reflected in “Change in short-term debt – net” in the preceding table. 3M’s primary short-term liquidity needs are met through cash on hand and U.S. commercial paper issuances.

Repurchases of common stock are made to support the Company’s stock-based employee compensation plans and for other corporate purposes. In November 2018, 3M’s Board of Directors replaced the Company’s February 2016 repurchase program with a new repurchase program. This new program authorizes the repurchase of up to $10 billion of 3M’s outstanding common stock, with no pre-established end date. In the first nine months of 2020, the Company purchased $366 million of its own stock prior to 3M’s suspension of its share repurchase program in late March. For more information, refer to the table titled “Issuer Purchases of Equity Securities” in Part II, Item 2. The Company does not utilize derivative instruments linked to the Company’s stock.

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3M has paid dividends each year since 1916. In February 2020, 3M’s Board of Directors declared a first-quarter 2020 dividend of $1.47 per share, an increase of 2 percent. This is equivalent to an annual dividend of $5.88 per share and marked the 62^nd consecutive year of dividend increases. In May 2020, 3M’s Board of Directors declared a second-quarter 2020 dividend of $1.47 per share. In August 2020, 3M’s Board of Directors declared a third-quarter 2020 dividend of $1.47 per share.

Other cash flows from financing activities may include various other items, such as cash paid associated with certain derivative instruments, distributions to or sales of noncontrolling interests, changes in cash overdraft balances, and principal payments for finance leases.

Free Cash Flow (non-GAAP measure):

Free cash flow and free cash flow conversion are not defined under U.S. generally accepted accounting principles (GAAP). Therefore, they should not be considered a substitute for income or cash flow data prepared in accordance with U.S. GAAP and may not be comparable to similarly titled measures used by other companies. The Company defines free cash flow as net cash provided by operating activities less purchases of property, plant and equipment. It should not be inferred that the entire free cash flow amount is available for discretionary expenditures. The Company defines free cash flow conversion as free cash flow divided by net income attributable to 3M. The Company believes free cash flow and free cash flow conversion are meaningful to investors as they are useful measures of performance and the Company uses these measures as an indication of the strength of the company and its ability to generate cash. The first quarter of each year is typically 3M’s seasonal low for free cash flow and free cash flow conversion. In the table below details the components of free cash flow for the nine months ended September 30, 2020 and 2019.

In the first nine months of 2020 and 2019, free cash flow conversion was impacted by cost saving actions taken in response to COVID-19 and significant litigation-related charges and timing of associated payments. Refer to the preceding “Cash Flows from Operating Activities” section for discussion of additional items that impacted operating cash flow. Refer to the proceeding “Cash Flows from Investing Activities” section for discussion on capital spending for property, plant and equipment.

	Nine months ended
	September 30,
(Millions)	2020			2019
Major GAAP Cash Flow Categories
Net cash provided by (used in) operating activities	$	5,598		$	4,732
Net cash provided by (used in) investing activities		(321)			(1,145)
Net cash provided by (used in) financing activities		(3,498)			1,327
Free Cash Flow (non-GAAP measure)
Net cash provided by (used in) operating activities	$	5,598		$	4,732
Purchases of property, plant and equipment (PP&E)		(1,079)			(1,161)
Free cash flow	$	4,519		$	3,571
Net income attributable to 3M	$	3,995		$	3,601
Free cash flow conversion		113	%		99	%

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CAUTIONARY NOTE CONCERNING FACTORS THAT MAY AFFECT FUTURE RESULTS

This Quarterly Report on Form 10-Q, including “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part I, Item 2, contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. The Company may also make forward-looking statements in other reports filed with the Securities and Exchange Commission, in materials delivered to shareholders and in press releases. In addition, the Company’s representatives may from time to time make oral forward-looking statements.

Forward-looking statements relate to future events and typically address the Company’s expected future business and financial performance. Words such as “plan,” “expect,” “aim,” “believe,” “project,” “target,” “anticipate,” “intend,” “estimate,” “will,” “should,” “could,” “forecast” and other words and terms of similar meaning, typically identify such forward-looking statements. In particular, these include, among others, statements relating to:

● worldwide economic, political, regulatory, capital markets and other external conditions, such as interest rates, foreign currency exchange rates, financial conditions of our suppliers and customers, trade restrictions such as tariffs in addition to retaliatory counter measures, and natural and other disasters or climate change affecting the operations of the Company or our suppliers and customers,

● risks related to public health crises such as the global pandemic associated with the coronavirus (COVID-19),

● liabilities related to certain fluorochemicals and the outcome of contingencies, such as legal and regulatory proceedings,

● the Company’s strategy for growth, future revenues, earnings, cash flow, uses of cash and other measures of financial performance, and market position,

● competitive conditions and customer preferences,

● foreign currency exchange rates and fluctuations in those rates,

● new business opportunities, product development, and future performance or results of current or anticipated products,

● fluctuations in the costs and availability of purchased components, compounds, raw materials and energy,

● Information technology systems including ERP system roll-out and implementations,

● Security breaches and other disruptions to information technology infrastructure,

● the scope, nature or impact of acquisition, strategic alliance and divestiture activities,

● Operational execution, including inability to generate productivity improvements as estimated,

● future levels of indebtedness, common stock repurchases and capital spending,

● future availability of and access to credit markets,

● pension and postretirement obligation assumptions and future contributions,

● asset impairments,

● tax liabilities, and

● the effects of changes in tax (including the Tax Cuts and Jobs Act), environmental and other laws and regulations in the United States and other countries in which we operate.

The Company assumes no obligation to update or revise any forward-looking statements.

Forward-looking statements are based on certain assumptions and expectations of future events and trends that are subject to risks and uncertainties. Actual future results and trends may differ materially from historical results or those reflected in any such forward-looking statements depending on a variety of factors. Important information as to these factors can be found in this document, including, among others, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” under the headings of “Overview,” “Financial Condition and Liquidity” and annually in “Critical Accounting Estimates.” Discussion of these factors is incorporated by reference from Part II, Item 1A, “Risk Factors,” of this document, and should be considered an integral part of Part I, Item 2, “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” For additional information concerning factors that may cause actual results to vary materially from those stated in the forward-looking statements, see our reports on Form 10-K, 10-Q and 8-K filed with the SEC from time to time.

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

In the context of Item 3, 3M is exposed to market risk due to the risk of loss arising from adverse changes in foreign currency exchange rates, interest rates and commodity prices. Changes in those factors could impact the Company’s results of operations and financial condition. For a discussion of sensitivity analysis related to these types of market risks, refer to Part II, Item 7A, Quantitative

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and Qualitative Disclosures About Market Risk, in 3M’s 2019 Annual Report on Form 10-K. There have been no material changes in information that would have been provided in the context of Item 3 from the end of the preceding year until September 30, 2020. However, the Company does provide risk management discussion in various places in this Quarterly Report on Form 10-Q, primarily in the Derivatives note.

Item 4. Controls and Procedures.

a. The Company carried out an evaluation, under the supervision and with the participation of its management, including the Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the Company’s “disclosure controls and procedures” (as defined in the Exchange Act Rule 13a-15(e)) as of the end of the period covered by this report. Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that the Company’s disclosure controls and procedures are effective.

b. There was no change in the Company’s internal control over financial reporting that occurred during the Company’s most recently completed fiscal quarter that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

The Company is implementing an enterprise resource planning (“ERP”) system on a worldwide basis, which is expected to improve the efficiency of certain financial and related transaction processes. The gradual implementation is expected to occur in phases over the next several years. The implementation of a worldwide ERP system will likely affect the processes that constitute our internal control over financial reporting and will require testing for effectiveness.

The Company completed implementation with respect to various processes/sub-processes in certain subsidiaries/locations, including aspects relative to the United States, and will continue to roll out the ERP system over the next several years. As with any new information technology application we implement, this application, along with the internal controls over financial reporting included in this process, was appropriately considered within the testing for effectiveness with respect to the implementation in these instances. We concluded, as part of its evaluation described in the above paragraphs, that the implementation of the ERP system in these circumstances has not materially affected our internal control over financial reporting.

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3M COMPANY

FORM 10-Q

For the Quarterly Period Ended September 30, 2020

PART II. Other Information

Item 1. Legal Proceedings.

Discussion of legal matters is incorporated by reference from Part I, Item 1, Note 14, “Commitments and Contingencies” of this document, and should be considered an integral part of Part II, Item 1, “Legal Proceedings.”

Item 1A. Risk Factors.

Provided below is a cautionary discussion of what we believe to be the most important risk factors applicable to the Company. Discussion of these factors is incorporated by reference into and considered an integral part of Part I, Item 2, “Management’s Discussion and Analysis of Financial Conditions and Results of Operations.”

Risks Related to the Global Economy and Public Health Crises

* The Company’s results are impacted by the effects of, and changes in, worldwide economic, political, regulatory, international trade and other external conditions. 

The Company operates in more than 70 countries and derives approximately 60 percent of its revenues from outside the United States, and, accordingly, the Company’s business is subject to global competition and geopolitical risks that are beyond its control, such as disruptions in financial markets, economic downturns, government actions impacting international trade agreements, imposing trade restrictions such as tariffs, and retaliatory counter measures, government deficit reduction and other austerity measures in specific countries or regions, or in the various industries in which the Company operates; social, political or labor conditions in specific countries or regions; or adverse changes in the availability and cost of capital, interest rates, tax related matters such as tax rates, tax laws, changing political environments in the U.S. and foreign jurisdictions that impact tax examination, assessment and enforcement approaches, or exchange control, ability to expatriate earnings and other regulations in the jurisdictions in which the Company operates. Climate change, as well as related environmental and social regulations, may negatively impact the Company or its customers and suppliers, in terms of availability and cost of natural resources, sources and supply of energy, product demand and manufacturing, and the health and well-being of individuals and communities in which we operate.

* The Company is subject to risks related to public health crises such as the global pandemic associated with the coronavirus (COVID-19). 

3M, as a global company, is impacted by public health crises such as the global pandemic associated with COVID-19. The outbreak has significantly increased economic and demand uncertainty. In addition, public and private sector policies and initiatives to reduce the transmission of COVID-19, such as the imposition of travel restrictions and the adoption of remote working, have impacted 3M’s operations. In these challenging and dynamic circumstances, 3M is working to protect its employees and the public, maintain business continuity and sustain its operations, including ensuring the safety and protection of approximately 50,000 people who work in our plants and distribution centers across the world, many of whom support the manufacturing and delivery of products that are critical in response to the global pandemic. COVID-19 has impacted 3M’s supply chains relative to global demand for products like respirators, surgical masks and commercial cleaning solutions. Even with 3M’s accelerated production at its global facilities combined with capacity from other manufacturers, the industry-wide challenge is that global demand for N95 and other respirators continues to exceed the industries’ ability to deliver. Within individual regions and countries around the world, 3M is working with governments, distributors and others to prioritize supplies to the most critical customer and public health needs. 3M’s manufacturing, supply chain and distribution protocols have, for example, been impacted by the need to prioritize rated orders issued by the Federal Emergency Management Agency pursuant to the U.S. Defense Production Act. In addition, trade barriers, export restrictions and other similar measures imposed by national governments also negatively impact the supplies of personal protection equipment including those made by 3M going into the most needed areas. COVID-19 has also affected the ability of suppliers and vendors to provide products and services to 3M. Some of these COVID-related factors have increased demand for certain 3M products, while others have decreased demand from certain end markets or could make it more difficult for 3M to serve customers. 3M has received reports of price gouging, counterfeiting and other illegal or fraudulent activities involving its N95 respirators, has taken legal action in several states and continues to work with state, federal and international law enforcement to protect the public and 3M against those who seek

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to exploit 3M’s brand and reputation and defraud others. Furthermore, COVID-19 has impacted and may further impact the broader economies of affected countries, including negatively impacting economic growth, the proper functioning of financial and capital markets, foreign currency exchange rates, and interest rates. For example, COVID-19 has led to disruption and volatility in the global capital markets, which increases the cost of capital and could adversely impact access to capital. As economies start to reopen in certain parts of the world, workplace safety, for the Company and others, will increasingly become a focus of concern. As part of the return to work process at the Company, the Company could face additional privacy and data security risks related to the collection of data regarding employees and contractors with respect to COVID-19 testing, temperature checks, and contact tracing. Due to the speed and scope with which the COVID situation is developing and evolving and the uncertainty of its duration and the timing of recovery, 3M is not able at this time to predict the extent to which the COVID-19 pandemic may have a material effect on its consolidated results of operations or financial condition.

* Foreign currency exchange rates and fluctuations in those rates may affect the Company’s ability to realize projected growth rates in its sales and earnings. 

Because the Company’s financial statements are denominated in U.S. dollars and approximately 60 percent of the Company’s revenues are derived from outside the United States, the Company’s results of operations and its ability to realize projected growth rates in sales and earnings could be adversely affected if the U.S. dollar strengthens significantly against foreign currencies.

Risks Related to Legal and Regulatory Proceedings

* The Company faces liabilities related to certain fluorochemicals, which could adversely impact our results.

As previously reported, the Company has been voluntarily cooperating with various local, state, federal (primarily the U.S. Environmental Protection Agency (EPA)), and international agencies in their review of the environmental and health effects of a broad group of perfluoroalkyl and polyfluoroalkyl substances produced by the Company, collectively known as “PFAS.” The PFAS group contains several categories and classes of durable chemicals and materials with properties that include oil, water, temperature, chemical and fire resistance, as well as electrical insulating properties. The strength of the carbon-fluorine bond also means that these compounds do not easily degrade. These characteristics have made PFAS critical to the manufacture of electronic devices such as cell phones, tablets and semi-conductors. They are also used to help prevent infections in products like surgical gowns and drapes. Commercial aircraft and low-emissions vehicles also rely on PFAS technology. PFAS compounds are manufactured by various companies, including 3M, and are used in everyday products. As science and technology evolve and advance, and in response to evolving knowledge and the understanding that PFAS compounds had the potential to build up over time, 3M announced in 2000 that we would voluntarily phase out production of perfluorooctanoate (PFOA) and perfluorooctane sulfonate (PFOS) globally as a precautionary measure. We phased out of materials used to produce certain repellants and surfactant products, with most of these activities in the U.S. completed by the end of 2002. Phased out products included Aqueous Film Forming Foam (AFFF) and coatings for food packaging, for example. 3M currently is defending lawsuits concerning various PFAS-related products and chemistries, and is subject to unasserted and asserted claims and governmental regulatory proceedings and inquiries related to the production and use of PFAS in a variety of jurisdictions, as discussed in Note 14, “Commitments and Contingencies,” within the Notes to Consolidated Financial Statements. An adverse outcome in any one or more of these matters could be material to our financial results. For example, we recorded a pre-tax charge of $897 million, inclusive of legal fees and other related obligations, in the first quarter of 2018 with respect to the settlement of a matter brought by the State of Minnesota involving the presence of PFAS in the groundwater, surface water, fish or other aquatic life, and sediments in the state. Governmental inquiries or lawsuits involving PFAS could lead to our incurring liability for damages or other costs, civil or criminal proceedings, the imposition of fines and penalties, or other remedies, as well as restrictions on or added costs for our business operations going forward, including in the form of restrictions on discharges at our manufacturing facilities or otherwise.

* The Company’s future results may be affected by various asserted and unasserted legal and regulatory proceedings and legal compliance risks, including those involving product liability, antitrust, intellectual property, environmental, tax, the U.S. Foreign Corrupt Practices Act and other anti-bribery laws, U.S. trade sanctions compliance, regulations of the U.S. Food and Drug Administration (FDA) and similar foreign agencies, U.S. federal healthcare program-related laws and regulations including the False Claims Act, anti-kickback laws, the Sunshine Act, or other matters. Legal compliance risks also include third-party risks where the Company’s suppliers, vendors or channel partners have business practices that are inconsistent with 3M’s Supplier Responsibility Code, 3M performance requirements or with legal requirements.

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The outcome of these legal proceedings may differ from the Company’s expectations because the outcomes of litigation, including regulatory matters, are often difficult to reliably predict. Although the Company maintains general liability insurance, the amount of liability that may result from certain of these risks may not always be covered by, or could exceed, the applicable insurance coverage. Various factors or developments can lead the Company to change current estimates of liabilities and related insurance receivables where applicable, or make such estimates for matters previously not susceptible of reasonable estimates, such as a significant judicial ruling or judgment, a significant settlement, significant regulatory developments or changes in applicable law. A future adverse ruling, settlement or unfavorable development could result in future charges that could have a material adverse effect on the Company’s results of operations or cash flows in any particular period. In addition, negative publicity related to product liability, environmental, health and safety or other matters referenced above involving the Company may negatively impact the Company’s reputation. For a more detailed discussion of the legal proceedings involving the Company and the associated accounting estimates, see the discussion in Note 14, “Commitments and Contingencies,” within the Notes to Consolidated Financial Statements.

Risks Related to Our Products and Customer Preferences

* The Company’s results are affected by competitive conditions and customer preferences. 

Demand for the Company’s products, which impacts revenue and profit margins, is affected by (i) the development and timing of the introduction of competitive products; (ii) the Company’s response to downward pricing to stay competitive; (iii) changes in customer order patterns, such as changes in the levels of inventory maintained by customers and the timing of customer purchases which may be affected by announced price changes, changes in the Company’s incentive programs, or the customer’s ability to achieve incentive goals; (iv) changes in customers’ preferences for our products, including the success of products offered by our competitors, and changes in customer designs for their products that can affect the demand for some of the Company’s products; and (v) changes in the business environment related to disruptive technologies, such as artificial intelligence, block-chain, expanded analytics and other enhanced learnings from increasing volume of available data.

* The Company’s growth objectives are largely dependent on the timing and market acceptance of its new product offerings, including its ability to continually renew its pipeline of new products and to bring those products to market. 

This ability is subject to difficulties or delays in product development, such as the inability to identify viable new products, obtain adequate intellectual property protection, or gain market acceptance of new products. There are no guarantees that new products will prove to be commercially successful.

* The Company’s future results are subject to vulnerability with respect to materials and fluctuations in the costs and availability of purchased components, compounds, raw materials and energy, due to shortages, increased demand, supply interruptions, manufacturing site disruptions, natural disasters and other disruptive factors. 

The Company depends on various components, compounds, raw materials, and energy (including oil and natural gas and their derivatives) supplied by others for the manufacturing of its products. Supplier relationships have been and could be interrupted in the future due to supplier material shortage, climate impacts, natural and other disasters and other disruptive events, or be terminated. Any sustained interruption in the Company’s receipt of adequate supplies or disruption to key manufacturing sites’ operations could have a material adverse effect on the Company. In addition, while the Company has a process to minimize volatility in component and material pricing, no assurance can be given that the Company will be able to successfully manage price fluctuations or that future price fluctuations or shortages will not have a material adverse effect on the Company.

Risks Related to Our Business

* The Company employs information technology systems to support its business, including ongoing phased implementation of an enterprise resource planning (ERP) system as part of business transformation on a worldwide basis over the next several years. Security breaches and other disruptions to the Company’s information technology infrastructure could interfere with the Company’s operations, compromise information belonging to the Company or its customers, suppliers, and employees, exposing the Company to liability which could adversely impact the Company’s business and reputation. 

In the ordinary course of business, the Company relies on centralized and local information technology networks and systems, some of which are hosted or managed by third parties, to process, transmit and store electronic information, and to manage or support a variety of businesses. Additionally, the Company collects and stores certain data, including proprietary business information, and has access to confidential or personal information in certain of our businesses that is subject to privacy and security laws, regulations and

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customer-imposed controls. Despite our cybersecurity and business continuity measures (including employee and third-party training, monitoring of networks and systems, patching, maintenance, and backup of systems and data), the Company’s information technology networks and infrastructure are still potentially vulnerable to security breaches, damage, disruptions or shutdowns due to attacks by threat actors, computer viruses, ransomware, service or cloud provider disruptions or security breaches, employee error or malfeasance, power outages, telecommunication or utility failures, systems failures, natural disasters or other catastrophic events. The Company’s increased adoption of remote working, which was driven by the pandemic, may also introduce additional threats to our information technology networks and infrastructure. Despite our cybersecurity measures, it is possible for security vulnerabilities to remain undetected for an extended period of time, up to and including several years. While we have experienced, and expect to continue to experience, threats and disruptions to the Company’s information technology infrastructure, none of them to date has had a material impact to the Company. Any such threats or disruptions could result in legal claims or proceedings, liability or penalties under privacy laws, interference with the Company’s operations, and damage to the Company’s reputation, which could adversely affect the Company’s business. Although the Company maintains insurance coverage for various cybersecurity and business continuity risks, there can be no guarantee that all costs or losses incurred will be fully insured.

* Acquisitions, strategic alliances, divestitures, and other unusual events resulting from portfolio management actions and other evolving business strategies, and possible organizational restructuring could affect future results. 

The Company monitors its business portfolio and organizational structure and has made and may continue to make acquisitions, strategic alliances, divestitures and changes to its organizational structure. With respect to acquisitions, including, for example, the recently completed acquisition of Acelity, Inc. and its KCI subsidiaries (a leading global medical technology company), future results will be affected by the Company’s ability to integrate acquired businesses quickly and obtain the anticipated synergies. The Company realigned from five to four business segments, effective in April of 2019, to better serve its global customers and markets. Successful execution of the realignment and the associated adjustments of our portfolio and business operating model, as well as other organizational changes, will be important to the Company’s future results.

* The Company’s future results may be affected by its operational execution, including scenarios where the Company generates fewer productivity improvements than estimated. 

The Company’s financial results depend on the successful execution of its business operating plans. The Company utilizes various tools, such as Lean Six Sigma, and engages in ongoing global business transformation. Business transformation is defined as changes in processes and internal/external service delivery across 3M to move to more efficient business models to improve operational efficiency and productivity, while allowing 3M to serve customers with greater speed and efficiency. This is enabled by the ongoing multi-year phased implementation of an ERP system. There can be no assurance that all of the projected productivity improvements will be realized. In addition, ability to adapt to business model and other changes and agility to respond to customer needs and service expectations are important, which, if not done successfully, could negatively impact the Company’s ability to win new business and enhance revenue and 3M’s brand. Operational challenges, including those related to customer service, pace of change and productivity improvements, could have a material adverse effect on the Company’s business, financial conditions and results of operations.

Risks Related to Financial and Capital Markets

* The Company's defined benefit pension and postretirement plans are subject to financial market risks that could adversely impact our results. 

The performance of financial markets and discount rates impact the Company's funding obligations under its defined benefit plans. Significant changes in market interest rates, decreases in the fair value of plan assets and investment losses on plan assets, and legislative or regulatory changes relating to defined benefit plan funding may increase the Company's funding obligations and adversely impact its results of operations and cash flows.

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* Change in the Company’s credit ratings could increase cost of funding. 

The Company’s credit ratings are important to 3M’s cost of capital. The major rating agencies routinely evaluate the Company’s credit profile and assign debt ratings to 3M. This evaluation is based on a number of factors, which include financial strength, business and financial risk, as well as transparency with rating agencies and timeliness of financial reporting. 3M currently has an A1 credit rating with a negative outlook from Moody’s Investors Service and an A+ credit rating with a negative outlook from Standard & Poor’s. The Company’s credit ratings have served to lower 3M’s borrowing costs and facilitate access to a variety of lenders. The addition of further leverage to the Company’s capital structure could impact 3M’s credit ratings in the future. Failure to maintain strong investment grade ratings would adversely affect the Company’s cost of funding and could adversely affect liquidity and access to capital markets.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

Issuer Purchases of Equity Securities

Repurchases of 3M common stock are made to support the Company’s stock-based employee compensation plans and for other corporate purposes. In November 2018, 3M’s Board of Directors replaced the Company’s February 2016 repurchase program with a new repurchase program. This new program authorizes the repurchase of up to $10 billion of 3M’s outstanding common stock, with no pre-established end date.

Issuer Purchases of Equity

Securities (registered pursuant to

Section 12 of the Exchange Act)

					Maximum
					Approximate
					Dollar Value of
				Total Number of	Shares that May
				Shares Purchased	Yet Be Purchased
	Total Number of	Average Price		as Part of Publicly	under the Plans
	Shares Purchased	Paid per		Announced Plans	or Programs
Period	(1)	Share		or Programs (2)	(Millions)
January 1-31, 2020	567,358	$	175.01	567,162	$	7,973
February 1-29, 2020	752,388	$	157.29	750,262	$	7,855
March 1-31, 2020	723,676	$	140.55	723,676	$	7,753
Total January 1-March 31, 2020	2,043,422	$	156.28	2,041,100	$	7,753
April 1-30, 2020	86	$	133.13	—	$	7,753
May 1-31, 2020	—	$	—	—	$	7,753
June 1-30, 2020	—	$	—	—	$	7,753
Total April 1-June 30, 2020	86	$	114.18	—	$	7,753
July 1-31, 2020	—	$	—	—	$	7,753
August 1-31, 2020	—	$	—	—	$	7,753
September 1-30, 2020	779	$	172.38	—	$	7,753
Total July 1-September 30, 2020	779	$	172.38	—	$	7,753
Total January 1-September 30, 2020	2,044,287	$	156.29	2,041,100	$	7,753

(1) The total number of shares purchased includes: (i) shares purchased under the Board’s authorizations described above, and (ii) shares purchased in connection with the exercise of stock options.

(2) The total number of shares purchased as part of publicly announced plans or programs includes shares purchased under the Board’s authorizations described above.

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Item 3. Defaults Upon Senior Securities. — No matters require disclosure.

Item 4. Mine Safety Disclosures. Pursuant to Section 1503 of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Act”), the Company is required to disclose, in connection with the mines it operates, information concerning mine safety violations or other regulatory matters in its periodic reports filed with the SEC. The information concerning mine safety violations or other regulatory matters required by Section 1503(a) of the Act is included in Exhibit 95 to this quarterly report.

Item 5. Other Information. — No matters require disclosure.

Item 6. Exhibits.

(31.1)	Certification of the Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350.
(31.2)	Certification of the Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350.
(32.1)	Certification of the Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350.
(32.2)	Certification of the Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350.
(95)	Mine Safety Disclosures.
(101.INS)	Inline XBRL Instance Document (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document)
(101.SCH)	Inline XBRL Taxonomy Extension Schema Document
(101.CAL)	Inline XBRL Taxonomy Extension Calculation Linkbase Document
(101.DEF)	Inline XBRL Taxonomy Extension Definition Linkbase Document
(101.LAB)	Inline XBRL Taxonomy Extension Label Linkbase Document
(101.PRE)	Inline XBRL Taxonomy Extension Presentation Linkbase Document
(104)	Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

3M COMPANY

(Registrant)

Date: October 27, 2020

	By	/s/ Monish Patolawala
		Monish Patolawala,
Senior Vice President and Chief Financial Officer
(Mr. Patolawala is a Principal Financial Officer and has
been duly authorized to sign on behalf of the Registrant.)

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EX-31.1

EXHIBIT 31.1

SARBANES-OXLEY SECTION 302 CERTIFICATION

I, Michael F. Roman, certify that:

1. I have reviewed this quarterly report on Form 10-Q of 3M Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

4. The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

/s/ Michael F. Roman

Michael F. Roman

Chief Executive Officer

October 27, 2020

EX-31.2

EXHIBIT 31.2

SARBANES-OXLEY SECTION 302 CERTIFICATION

I, Monish Patolawala, certify that:

1. I have reviewed this quarterly report on Form 10-Q of 3M Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

4. The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

/s/ Monish Patolawala

Monish Patolawala

Chief Financial Officer

October 27, 2020

EX-32.1

EXHIBIT 32.1

SARBANES-OXLEY SECTION 906 CERTIFICATION

In connection with the Quarterly Report of 3M Company (the “Company”) on Form 10-Q for the period ended September 30, 2020 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael F. Roman, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Michael F. Roman

Michael F. Roman

Chief Executive Officer

October 27, 2020

EX-32.2

EXHIBIT 32.2

SARBANES-OXLEY SECTION 906 CERTIFICATION

In connection with the Quarterly Report of 3M Company (the “Company”) on Form 10-Q for the period ended September 30, 2020 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Monish Patolawala, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Monish Patolawala

Monish Patolawala

Chief Financial Officer

October 27, 2020

EX-95

EXHIBIT 95

MINE SAFETY DISCLOSURES

For the third quarter of 2020, the Company has the following mine safety information to report in accordance with Section 1503(a) of the Act, in connection with the Pittsboro, North Carolina mine, the Little Rock, Arkansas mine, the Corona, California mine, and the Wausau, Wisconsin mine (including Greystone Plant):

										Received
									Received	Notice of
						Total Dollar Value			Notice of	Potential to			Aggregate
Mine or Operating			Section			of MSHA		Total Number	Pattern of	Have Pattern	Legal Actions	Aggregate	Legal Actions
Name/MSHA	Section 104	Section	104(d)	Section	Section	Assessments		of Mining	Violations	Under Section	Pending as of	Legal Actions	Resolved
Identification	S&S Citations	104(b)	Citations and	110(b)(2)	107(a)	Proposed		Related	Under Section	104(e)	Last Day of	Initiated During	During Period
Number	(#)	Orders (#)	Orders (#)	Violations (#)	Orders (#)	($)		Fatalities (#)	104(e) (yes/no)	(yes/no)	Period (#)	Period (#)	(#)
3M Pittsboro ID: 3102153	—	—	—	—	—	$	123	—	No	No	—
3M Little Rock ID: 0300426	3	—	—	—	—	$	1,002	—	No	No	—
3M Corona Plant ID: 0400191	—	—	—	—	—	$	10,324	—	No	No	—
Greystone Plant ID: 4700119	2	—	—	—	—	$	3,465	—	No	No	—
Wausau Plant ID: 4702918	—	—	—	—	—	$	369	—	No	No	—
Total	5	—	—	—	—	$	15,283	—			—	—	—

XML

Document and Entity Information	9 Months Ended
	Sep. 30, 2020 shares
Document Information
Entity Registrant Name	3M COMPANY
Entity Central Index Key	0000066740
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2020
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity File Number	1-3285
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	41-0417775
Entity Address, Address Line One	3M Center
Entity Address, City or Town	St. Paul
Entity Address, State or Province	MN
Entity Address, Postal Zip Code	55144-1000
City Area Code	651
Local Phone Number	733-1110
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	576,821,878
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Common Stock | New York Stock Exchange, Inc.
Document Information
Title of 12(b) Security	Common Stock, Par Value $.01 Per Share
Trading Symbol	MMM
Security Exchange Name	NYSE
Common Stock | Chicago Stock Exchange, Inc.
Document Information
Title of 12(b) Security	Common Stock, Par Value $.01 Per Share
Trading Symbol	MMM
Security Exchange Name	CHX
0.375% Notes due 2022 | New York Stock Exchange, Inc.
Document Information
Title of 12(b) Security	0.375% Notes due 2022
Trading Symbol	MMM22A
Security Exchange Name	NYSE
0.950% Notes due 2023 | New York Stock Exchange, Inc.
Document Information
Title of 12(b) Security	0.950% Notes due 2023
Trading Symbol	MMM23
Security Exchange Name	NYSE
1.500% Notes due 2026 | New York Stock Exchange, Inc.
Document Information
Title of 12(b) Security	1.500% Notes due 2026
Trading Symbol	MMM26
Security Exchange Name	NYSE
1.750% Notes due 2030 | New York Stock Exchange, Inc.
Document Information
Title of 12(b) Security	1.750% Notes due 2030
Trading Symbol	MMM30
Security Exchange Name	NYSE
1.500% Notes due 2031 | New York Stock Exchange, Inc.
Document Information
Title of 12(b) Security	1.500% Notes due 2031
Trading Symbol	MMM31
Security Exchange Name	NYSE

XML

Consolidated Statement of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Consolidated Statement of Income
Net sales	$ 8,350	$ 7,991	$ 23,601	$ 24,025
Operating expenses
Cost of sales	4,303	4,188	12,217	12,811
Selling, general and administrative expenses	1,677	1,455	5,039	5,089
Research, development and related expenses	461	443	1,422	1,390
Gain on sale of businesses		(106)	(389)	(114)
Total operating expenses	6,441	5,980	18,289	19,176
Operating income	1,909	2,011	5,312	4,849
Interest expense and income
Other expense (income), net	104	45	311	349
Income before income taxes	1,805	1,966	5,001	4,500
Provision for income taxes	387	378	1,002	888
Income of consolidated group	1,418	1,588	3,999	3,612
Income (loss) from unconsolidated subsidiaries, net of taxes	(1)		(1)
Net income including noncontrolling interest	1,417	1,588	3,998	3,612
Less: Net income (loss) attributable to noncontrolling interest	4	5	3	11
Net income attributable to 3M	$ 1,413	$ 1,583	$ 3,995	$ 3,601
Weighted average 3M common shares outstanding - basic (in shares)	577.8	576.5	577.2	577.2
Earnings per share attributable to 3M common shareholders - basic (in dollars per share)	$ 2.45	$ 2.75	$ 6.92	$ 6.24
Weighted average 3M common shares outstanding - diluted (in shares)	582.4	583.0	581.6	585.9
Earnings per share attributable to 3M common shareholders - diluted (in dollars per share)	$ 2.43	$ 2.72	$ 6.87	$ 6.15

XML

Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Consolidated Statement of Comprehensive Income
Net income including noncontrolling interest	$ 1,417	$ 1,588	$ 3,998	$ 3,612
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment	271	(202)	(67)	(2)
Defined benefit pension and postretirement plans adjustment	127	76	304	356
Cash flow hedging instruments	(71)	8	(60)	(24)
Total other comprehensive income (loss), net of tax	327	(118)	177	330
Comprehensive income (loss) including noncontrolling interest	1,744	1,470	4,175	3,942
Comprehensive (income) loss attributable to noncontrolling interest	(5)	(3)	(1)	(10)
Comprehensive income (loss) attributable to 3M	$ 1,739	$ 1,467	$ 4,174	$ 3,932

XML

Consolidated Balance Sheet - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 4,121	$ 2,353
Marketable securities - current	440	98
Accounts receivable - net of allowances of $228 and $161	4,623	4,791
Inventories
Finished goods	1,859	2,003
Work in process	1,224	1,194
Raw materials and supplies	901	937
Total inventories	3,984	4,134
Prepaids	516	704
Other current assets	426	891
Total current assets	14,110	12,971
Property, plant and equipment	26,452	26,124
Less: Accumulated depreciation	(17,236)	(16,791)
Property, plant and equipment - net	9,216	9,333
Operating lease right of use assets	844	858
Goodwill	13,535	13,444
Intangible assets - net	5,926	6,379
Other assets	1,759	1,674
Total assets	45,390	44,659
Current liabilities
Short-term borrowings and current portion of long-term debt	1,169	2,795
Accounts payable	2,208	2,228
Accrued payroll	721	702
Accrued income taxes	220	194
Operating lease liabilities - current	252	247
Other current liabilities	2,840	3,056
Total current liabilities	7,410	9,222
Long-term debt	18,429	17,518
Pension and postretirement benefits	3,679	3,911
Operating lease liabilities	605	607
Other liabilities	3,324	3,275
Total liabilities	33,447	34,533
Commitments and contingencies (Note 14)
3M Company shareholders' equity:
Common stock par value, $.01 par value; 944,033,056 shares issued; Shares outstanding - September 30, 2020: 576,821,878; Shares outstanding - December 31, 2019: 575,184,835	9	9
Additional paid-in capital	6,116	5,907
Retained earnings	43,285	42,135
Treasury stock at cost: Shares at September 30, 2020: 367,211,178; Shares at December 31, 2019: 368,848,221	(29,570)	(29,849)
Accumulated other comprehensive income (loss)	(7,960)	(8,139)
Total 3M Company shareholders' equity	11,880	10,063
Noncontrolling interest	63	63
Total equity	11,943	10,126
Total liabilities and equity	$ 45,390	$ 44,659

XML

Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Consolidated Balance Sheet
Allowances for doubtful accounts receivable	$ 228	$ 161
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares issued (in shares)	944,033,056	944,033,056
Common stock, Shares outstanding (in shares)	576,821,878	575,184,835
Treasury stock (in shares)	367,211,178	368,848,221

XML

Consolidated Statement of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities
Net income including noncontrolling interest	$ 3,998	$ 3,612
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities
Depreciation and amortization	1,413	1,130
Company pension and postretirement contributions	(122)	(129)
Company pension and postretirement expense	295	242
Stock-based compensation expense	216	230
Gain on sale of businesses	(389)	(111)
Deferred income taxes	(57)	(88)
Loss on deconsolidation of Venezuelan subsidiary		162
Changes in assets and liabilities
Accounts receivable	113	(14)
Inventories	43	255
Accounts payable	(48)	(222)
Accrued income taxes (current and long-term)	146	(53)
Other - net	(10)	(282)
Net cash provided by (used in) operating activities	5,598	4,732
Cash Flows from Investing Activities
Purchases of property, plant and equipment (PP&E)	(1,079)	(1,161)
Proceeds from sale of PP&E and other assets	29	91
Acquisitions, net of cash acquired	(25)	(704)
Purchases of marketable securities and investments	(1,069)	(917)
Proceeds from maturities and sale of marketable securities and investments	1,239	1,265
Proceeds from sale of businesses, net of cash sold	576	236
Other - net	8	45
Net cash provided by (used in) investing activities	(321)	(1,145)
Cash Flows from Financing Activities
Change in short-term debt - net	(138)	(466)
Repayment of debt (maturities greater than 90 days)	(2,477)	(871)
Proceeds from debt (maturities greater than 90 days)	1,745	6,116
Purchases of treasury stock	(366)	(1,243)
Proceeds from issuance of treasury stock pursuant to stock option and benefit plans	325	437
Dividends paid to shareholders	(2,540)	(2,488)
Other - net	(47)	(158)
Net cash provided by (used in) financing activities	(3,498)	1,327
Effect of exchange rate changes on cash and cash equivalents	(11)	(36)
Net increase (decrease) in cash and cash equivalents	1,768	4,878
Cash and cash equivalents at beginning of year	2,353	2,853
Cash and cash equivalents at end of period	$ 4,121	$ 7,731

XML

Significant Accounting Policies

9 Months Ended

Sep. 30, 2020

Significant Accounting Policies

Significant Accounting Policies

3M Company and Subsidiaries

Notes to Consolidated Financial Statements

(Unaudited)

NOTE 1. Significant Accounting Policies

Basis of Presentation

The interim consolidated financial statements are unaudited but, in the opinion of management, reflect all adjustments necessary for a fair statement of the Company’s consolidated financial position, results of operations and cash flows for the periods presented. These adjustments consist of normal, recurring items. The results of operations for any interim period are not necessarily indicative of results for the full year. The interim consolidated financial statements and notes are presented as permitted by the requirements for Quarterly Reports on Form 10-Q. This Quarterly Report on Form 10-Q should be read in conjunction with the Company’s consolidated financial statements and notes included in its Annual Report on Form 10-K.

As described in Note 16, effective in the second quarter of 2020, the measure of segment operating performance used by 3M’s chief operating decision maker changed and, as a result, the Company’s disclosed measure of segment profit/loss has been updated. Also, effective in the first quarter of 2020, the Company changed its business segment reporting in its continuing effort to improve the alignment of businesses around markets and customers. Additionally, the Company consolidated the way it presents geographic area net sales by providing an aggregate Americas geographic region (combining former United States and Latin America and Canada areas). Information provided herein reflects the impact of these changes for all periods presented.

Use of estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. The Company considered the coronavirus (COVID-19) related impacts on its estimates, as appropriate, within its consolidated financial statements and there may be changes to those estimates in future periods. 3M believes that the accounting estimates are appropriate after giving consideration to the increased uncertainties surrounding the severity and duration of the COVID-19 pandemic. Such estimates and assumptions are subject to inherent uncertainties which may result in actual amounts differing from these estimates.

Changes to Significant Accounting Policies

The following significant accounting policies have been added or changed as applicable since the Company’s 2019 Annual Report on Form 10-K as a result of adoption of new accounting pronouncements as described in the “New Accounting Pronouncements” section.

Accounts receivable and allowances: Trade accounts receivable are recorded at the invoiced amount and do not bear interest. The Company maintains allowances for bad debts, cash discounts, and various other items. The allowances for bad debts and cash discounts are based on the best estimate of the amount of expected credit losses in existing accounts receivable and anticipated cash discounts. The Company determines the allowances based on historical write-off experience by industry and regional economic data, current expectations of future credit losses, and historical cash discounts. The Company reviews the allowances monthly. The allowances for bad debts as well as the provision for credit losses, write-off activity and recoveries for the periods presented are not material. The Company does not have any significant off-balance-sheet credit exposure related to its customers. The Company has long-term customer receivables that do not have significant credit risk, and the origination dates of which are typically not older than five years. These long-term receivables are subject to an allowance methodology similar to other receivables.

Marketable securities: Marketable securities include available-for-sale debt securities and are recorded at fair value. Cost of securities sold use the first in, first out (FIFO) method. The classification of marketable securities as current or non-current is based on the availability for use in current operations. 3M reviews impairments associated with its marketable securities in accordance with the measurement guidance provided by ASC 320, Investments-Debt Securities and ASC 326-30, Available-for-Sale Debt Securities, when determining whether a decline in fair value below the amortized cost basis has resulted from a credit loss or other factors. An impairment relating to credit losses is recorded through an allowance for credit losses. The allowance is limited by the amount that the fair value is less than the amortized cost basis. A change in the allowance for credit losses is recorded into earnings in the period of the

change. Any impairment that has not been recorded through an allowance for credit losses is recorded through accumulated other comprehensive income as a component of shareholders’ equity. The factors considered in determining whether a credit loss exists can include the extent to which fair value is less than the amortized cost basis, changes in the credit quality of the underlying loan obligors, credit ratings actions, as well as other factors. When a credit loss exists, the Company compares the present value of cash flows expected to be collected from the debt security with the amortized cost basis of the security to determine what allowance amount, if any, should be recorded. Amounts are reclassified out of accumulated other comprehensive income and into earnings upon sale or a change in the portions of impairment related to credit losses and not related to credit losses.

Property, plant and equipment: 3M’s accounting policy with respect to property, plant and equipment, is disclosed in the Company’s notes to consolidated financial statements included in its most recent Annual Report on Form 10-K. In addition, 3M records capital-related government grants earned as reductions to the cost of property, plant and equipment; and associated unpaid liabilities and grant proceeds receivable are considered non-cash changes in such balances for purposes of preparation of statement of cash flows.

Foreign Currency Translation

Local currencies generally are considered the functional currencies outside the United States with the exception of 3M’s subsidiaries in Argentina, the economy of which was considered highly inflationary beginning in 2018, and accordingly the financial statements of these subsidiaries are remeasured as if their functional currency is that of their parent. Assets and liabilities for operations in local-currency environments are translated at month-end exchange rates of the period reported. Income and expense items are translated at average monthly currency exchange rates in effect during the period. Cumulative translation adjustments are recorded as a component of accumulated other comprehensive income (loss) in shareholders’ equity.

3M had a consolidated subsidiary in Venezuela, the financial statements of which were remeasured as if its functional currency were that of its parent because Venezuela’s economic environment is considered highly inflationary. The operating income of this subsidiary was immaterial as a percent of 3M’s consolidated operating income for the periods presented. In light of circumstances, including the country’s unstable environment and heightened unrest leading to sustained lack of demand, and expectation that these circumstances will continue for the foreseeable future, during May 2019, 3M concluded it no longer met the criteria of control in order to continue consolidating its Venezuelan operations. As a result, as of May 31, 2019, the Company began reflecting its interest in the Venezuelan subsidiary as an equity investment that does not have a readily determinable fair value. This resulted in a pre-tax charge of $162 million within other expense (income) in the second quarter of 2019. The charge primarily relates to $144 million of foreign currency translation losses associated with foreign currency movements before Venezuela was accounted for as a highly inflationary economy and pension elements previously included in accumulated other comprehensive loss along with write-down of intercompany receivable and investment balances associated with this subsidiary. Beginning May 31, 2019, 3M’s consolidated balance sheets and statements of operations no longer include the Venezuelan entity’s operations other than an immaterial equity investment and associated loss or income thereon largely only to the extent, if any, that 3M provides support or materials and receives funding or dividends.

Earnings Per Share

The difference in the weighted average 3M shares outstanding for calculating basic and diluted earnings per share attributable to 3M common shareholders is a result of the dilution associated with the Company’s stock-based compensation plans. Certain options outstanding under these stock-based compensation plans were not included in the computation of diluted earnings per share attributable to 3M common shareholders because they would have had an anti-dilutive effect (18.8 million average options for the three months ended September 30, 2020; 19.6 million average options for the nine months ended September 30, 2020; 11.9 million average options for the three months ended September 30, 2019; 8.0 million average options for the nine months ended September 30, 2019). The computations for basic and diluted earnings per share follow:

Earnings Per Share Computations

	Three months ended				Nine months ended
	September 30,				September 30,
(Amounts in millions, except per share amounts)	2020		2019		2020		2019
Numerator:
Net income attributable to 3M	$	1,413	$	1,583	$	3,995	$	3,601
Denominator:
Denominator for weighted average 3M common shares outstanding – basic		577.8		576.5		577.2		577.2
Dilution associated with the Company’s stock-based compensation plans		4.6		6.5		4.4		8.7
Denominator for weighted average 3M common shares outstanding – diluted		582.4		583.0		581.6		585.9
Earnings per share attributable to 3M common shareholders – basic	$	2.45	$	2.75	$	6.92	$	6.24
Earnings per share attributable to 3M common shareholders – diluted	$	2.43	$	2.72	$	6.87	$	6.15

New Accounting Pronouncements

See the Company’s 2019 Annual Report on Form 10-K for a more detailed discussion of the standards in the tables that follow, except for those pronouncements issued subsequent to the most recent Form 10-K filing date for which separate, more detailed discussion is provided below as applicable.

Standards Adopted During the Current Fiscal Year
Standard	Relevant Description	Effective Date for 3M	Impact and Other Matters
ASU No. 2016-13, Measurement of Credit Losses on Financial Instruments (in conjunction with ASU Nos. 2018-19, 2019-04, 2019-05, 2019-11, and 2020-03)	Introduces an approach, based on expected losses, to estimate credit losses on certain types of financial instruments and modifies the impairment model for available-for-sale debt securities. Amends the current other-than-temporary impairment model for available-for-sale debt securities. For such securities with unrealized losses, entities will still consider if a portion of any impairment is related only to credit losses and therefore recognized as a reduction in income.	January 1, 2020	Adopted using the modified retrospective approach. Adoption of this ASU did not have a material impact due to the nature and extent of 3M’s financial instruments in scope for this ASU (primarily accounts receivable) and the historical, current and expected credit quality of its customers as of the date of adoption. See Note 1 Significant Accounting Policies for updated applicable accounting policies.
ASU No. 2018-13, Changes to the Disclosure Requirements for Fair Value Measurement	Eliminates, amends, and adds disclosure requirements for fair value measurements, primarily related to Level 3 fair value measurements.	January 1, 2020	This ASU relates to disclosure only. The nature and extent of 3M’s financial instruments in scope for this ASU (primarily Level 3 fair value measurements) are immaterial to 3M’s consolidated results of operations and financial condition.
ASU No. 2018-15, Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract	Aligns the accounting for implementation costs incurred in a cloud computing arrangement that is a service arrangement (i.e. hosting arrangement) with the guidance on capitalizing costs in ASC 350-40, Internal-Use Software	January 1, 2020	Adopted on a prospective basis. Relevant capitalizable costs are included in prepaid expenses or other non-current asset, as applicable, prospectively beginning in 2020.

Standards Issued and Not Yet Adopted
Standard	Relevant Description	Effective Date for 3M	Impact and Other Matters
ASU No. 2019-12, Simplifying the Accounting for Income Taxes (Topic 740)	Eliminates certain existing exceptions related to the general approach in ASC 740 relating to franchise taxes, reducing complexity in the interim-period accounting for year-to-date loss limitations and changes in tax laws, and clarifying the accounting for transactions outside of business combination that result in a step-up in the tax basis of goodwill.	January 1, 2021	3M previously disclosed it does not expect this ASU to have a material impact on its consolidated results of operations and financial condition.
ASU No. 2020-01, Clarifying the Interactions between Topic 321, Investments—Equity Securities, Topic 323, Investments—Equity Method and Joint Ventures, and Topic 815, Derivatives and Hedging	Clarifies when accounting for certain equity securities, a Company should consider observable transactions before applying or upon discontinuing the equity method of accounting for the purposes of applying the measurement alternative. Indicates when determining the accounting for certain derivatives, a Company should not consider if the underlying securities would be accounted for under the equity method or fair value option.	January 1, 2021	3M previously disclosed it does not expect this ASU to have a material impact on its consolidated results of operations and financial condition, but will apply such guidance, where applicable, to future circumstances.

Relevant New Standards Issued Subsequent to Most Recent Annual Report

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. This ASU provides temporary optional expedients and exceptions to existing guidance on contract modifications and hedge accounting to facilitate the market transition from existing reference rates, such as LIBOR which is being phased out in 2021, to alternate reference rates, such as SOFR. The standard was effective upon issuance and allowed application to contract changes as early as January 1, 2020. The provisions have impact as contract modifications and other changes occur while LIBOR is phased out. The Company is in the process of evaluating the optional relief guidance provided within this ASU and is also reviewing its debt securities, bank facilities, derivative instruments and commercial contracts that utilize LIBOR as the reference rate. 3M will continue its assessment and monitor regulatory developments during the LIBOR transition period.

XML

Revenue

9 Months Ended

Sep. 30, 2020

Revenue

Revenue

NOTE 2. Revenue

Contract Balances:

Deferred revenue primarily relates to revenue that is recognized over time for one-year software license contracts. Deferred revenue (current portion) as of September 30, 2020 and December 31, 2019 was $390 million and $430 million, respectively. Approximately $100 million and $370 million of the December 31, 2019 balance was recognized as revenue during the three and nine months ended September 30, 2020, respectively, while approximately $80 million and $560 million of the December 31, 2018 balance was recognized as revenue during the three and nine months ended September 30, 2019, respectively.

Operating Lease Revenue:

Net sales includes rental revenue from durable medical devices as part of operating lease arrangements, which was $153 million and $428 million during the three and nine months ended September 30, 2020. Applicable rental revenue for the three and nine months ended September 30, 2019 was not material.

Disaggregated revenue information:

The Company views the following disaggregated disclosures as useful to understanding the composition of revenue recognized during the respective reporting periods:

	Three months ended				Nine months ended
	September 30,				September 30,
Net Sales (Millions)	2020		2019		2020		2019
Abrasives	$	290	$	338	$	863	$	1,059
Automotive Aftermarket		309		307		796		917
Closure and Masking Systems		242		282		745		835
Electrical Markets		285		299		829		912
Industrial Adhesives and Tapes		647		684		1,873		2,041
Personal Safety		1,136		812		3,221		2,653
Roofing Granules		114		101		295		293
Other Safety and Industrial		1		6		5		19
Total Safety and Industrial Business Segment	$	3,024	$	2,829	$	8,627	$	8,729
Advanced Materials	$	246	$	319	$	770	$	961
Automotive and Aerospace		410		477		1,125		1,463
Commercial Solutions		390		443		1,147		1,382
Electronics		1,024		1,001		2,771		2,760
Transportation Safety		245		260		678		741
Other Transportation and Electronics		(1)		—		(2)		(2)
Total Transportation and Electronics Business Segment	$	2,314	$	2,500	$	6,489	$	7,305
Drug Delivery	$	—	$	93	$	146	$	277
Food Safety		82		86		252		254
Health Information Systems		280		296		833		853
Medical Solutions		1,251		745		3,472		2,319
Oral Care		320		312		741		991
Separation and Purification Sciences		221		191		639		602
Other Health Care		6		(2)		5		(6)
Total Health Care Business Group	$	2,160	$	1,721	$	6,088	$	5,290
Consumer Health Care	$	96	$	97	$	278	$	295
Home Care		268		243		796		747
Home Improvement		686		612		1,863		1,729
Stationery and Office		323		362		859		1,008
Other Consumer		44		28		115		83
Total Consumer Business Group	$	1,417	$	1,342	$	3,911	$	3,862
Corporate and Unallocated	$	—	$	28	$	(1)	$	98
Elimination of Dual Credit		(565)		(429)		(1,513)		(1,259)
Total Company	$	8,350	$	7,991	$	23,601	$	24,025

	Three months ended September 30, 2020
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	1,623	$	706	$	695	$	—	$	3,024
Transportation and Electronics		640		1,357		317		—		2,314
Health Care		1,335		377		448		—		2,160
Consumer		1,032		231		154		—		1,417
Corporate and Unallocated		(1)		—		—		1		—
Elimination of Dual Credit		(282)		(197)		(86)		—		(565)
Total Company	$	4,347	$	2,474	$	1,528	$	1	$	8,350

	Nine months ended September 30, 2020
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	4,509	$	2,080	$	2,038	$	—	$	8,627
Transportation and Electronics		1,847		3,709		933		—		6,489
Health Care		3,690		1,091		1,307		—		6,088
Consumer		2,801		699		411		—		3,911
Corporate and Unallocated		(1)		—		—		—		(1)
Elimination of Dual Credit		(724)		(550)		(239)		—		(1,513)
Total Company	$	12,122	$	7,029	$	4,450	$	—	$	23,601

	Three months ended September 30, 2019
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	1,497	$	706	$	626	$	—	$	2,829
Transportation and Electronics		749		1,388		362		1		2,500
Health Care		973		360		388		—		1,721
Consumer		975		228		140		(1)		1,342
Corporate and Unallocated		27		1		1		(1)		28
Elimination of Dual Credit		(185)		(193)		(52)		1		(429)
Total Company	$	4,036	$	2,490	$	1,465	$	—	$	7,991

	Nine months ended September 30, 2019
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	4,532	$	2,165	$	2,033	$	(1)	$	8,729
Transportation and Electronics		2,256		3,912		1,137		—		7,305
Health Care		2,916		1,121		1,253		—		5,290
Consumer		2,723		718		422		(1)		3,862
Corporate and Unallocated		97		1		1		(1)		98
Elimination of Dual Credit		(562)		(534)		(164)		1		(1,259)
Total Company	$	11,962	$	7,383	$	4,682	$	(2)	$	24,025

Americas included United States net sales to customers of $3.7 billion and $3.3 billion for the three months ended September 30, 2020 and 2019, respectively, and $10.2 billion and $9.7 billion for the nine months ended September 30, 2020 and 2019, respectively.

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Acquisitions and Divestitures

9 Months Ended

Sep. 30, 2020

Acquisitions and Divestitures

Acquisitions and Divestitures

NOTE 3. Acquisitions and Divestitures

Refer to Note 3 in 3M’s 2019 Annual Report on Form 10-K for more information on relevant pre-2020 acquisitions and divestitures.

Acquisitions:

3M makes acquisitions of certain businesses from time to time that are aligned with its strategic intent with respect to, among other factors, growth markets and adjacent product lines or technologies. Goodwill resulting from business combinations is largely attributable to the existing workforce of the acquired businesses and synergies expected to arise after 3M’s acquisition of these businesses.

2020 acquisitions:

There were no acquisitions that closed during the nine months ended September 30, 2020.

2019 acquisitions:

In February 2019, 3M completed the acquisition of the technology business of M*Modal for $0.7 billion of cash, net of cash acquired, and assumption of $0.3 billion of M*Modal’s debt. The allocation of purchase consideration related to M*Modal was completed in the fourth quarter of 2019. Net sales and operating loss (inclusive of transaction and integration costs) of this business included in 3M’s consolidated results of operations for the third quarter of 2019 were approximately $75 million and $5 million, respectively. Net sales and operating loss (inclusive of transaction and integration costs) of this business included in 3M’s consolidated results of operations for the first nine months of 2019 were approximately $200 million and $40 million, respectively. M*Modal is reported within the Company’s Health Care business.

In October 2019, the Company completed the acquisition of all of the ownership interests of Acelity Inc. and its KCI subsidiaries and in the first quarter of 2020 paid certain consideration previously accrued under the terms of related agreements. Adjustments in 2020 to the purchase price allocation were approximately $34 million and related to identification and valuation of certain acquired assets and liabilities. The change to provisional amounts did not result in material impacts to results of operations in 2020 or any portion related to earlier quarters in the measurement period. The allocation of purchase consideration related to Acelity was completed in the third quarter of 2020. Net sales and operating loss (inclusive of transaction and integration costs) of this business included in 3M’s consolidated results of operations in the fourth quarter of 2019 were approximately $350 million and $45 million, respectively. Acelity is reported within the Company’s Health Care business.

Divestitures:

3M may divest certain businesses from time to time based upon review of the Company’s portfolio considering, among other items, factors relative to the extent of strategic and technological alignment and optimization of capital deployment, in addition to considering if selling the businesses results in the greatest value creation for the Company and for shareholders. As discussed in Note 16 (Business Segments), gains/losses on sale of businesses are reflected in Corporate and Unallocated.

2020 divestitures:

In January 2020, 3M completed the sale of its advanced ballistic-protection business, formerly part of the Transportation and Electronics business, to Avon Rubber p.l.c for $86 million in cash and recognized certain contingent consideration from the outcome of pending tenders. Further contingent consideration of less than $25 million may be recognized depending on outcomes in the future. The business, with annual sales of approximately $85 million, consists of ballistic helmets, body armor, flat armor and related helmet-attachment products serving government and law enforcement. 3M reflected immaterial impacts in the third quarter of 2019 as a result of measuring this disposal group at the lower of its carrying amount or fair value less cost to sell and in the first quarter 2020 related to completion of the divestiture and recognition of contingent consideration.

In May 2020, 3M completed the sale of substantially all of its drug delivery business, formerly part of the Health Care business, to an affiliate of Altaris Capital Partners, LLC for $617 million in consideration including $487 million of cash, approximately $70 million in the form of an interest-bearing security, and approximately $60 million in the form of a 17 percent noncontrolling interest in the

new company, Kindeva Drug Delivery (Kindeva). Non-cash consideration was valued at time of initial recognition on an income-based approach using relevant estimated future cash flows and applicable market interest rates while considering impacts of restrictions related to transferability. The divested business had annual sales of approximately $380 million. 3M retained its transdermal drug delivery components business. 3M reflected a pre-tax gain of $387 million as a result of the divestiture. The Company reflects its ownership interest in Kindeva using the equity method of accounting incorporating the recording of 3M’s share of earnings/losses on a lag-basis based on availability of Kindeva financial statements. As a result, income/loss from this unconsolidated subsidiary began to be reflected in 3M’s financial statements in the third quarter of 2020. Kindeva and 3M entered into certain limited-term agreements related to post-divestiture transition and supply services.

In the third quarter of 2020, 3M completed the sale of a small dermatology products business, formerly part of the Health Care business, for immaterial proceeds that approximated the business’s book value.

2019 divestitures:

During 2019, as described in Note 3 in 3M’s 2019 Annual Report on Form 10-K, the Company divested a number of businesses including: certain oral care technology comprising a business and the gas and flame detection business. 3M also reflected an earnout on a previous divestiture.

Operating income and held for sale amounts:

The aggregate operating income of these businesses was approximately $40 million and $25 million in the first nine months of 2020 and 2019, respectively. The approximate amounts of major assets and liabilities associated with disposal groups classified as held-for-sale as of December 31, 2019 included the following:

	December 31,
(Millions)	2019
Inventory		70
Property, plant and equipment		150
Intangible assets		35

In addition, approximately $30 million of goodwill was estimated to be attributable to disposal groups classified as held-for-sale as of December 31, 2019 based upon relative fair value. The amounts above have not been segregated and are classified within the existing corresponding line items on the Company’s consolidated balance sheet.

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Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets

Goodwill and Intangible Assets

NOTE 4. Goodwill and Intangible Assets

There was no goodwill recorded from acquisitions during the first nine months of 2020. The acquisition activity in the following table relates to the net impact of adjustments to the preliminary allocation of purchase price within the one year measurement period following prior acquisitions, which decreased goodwill by $34 million during the nine months ended September 30, 2020. The amounts in the “Translation and other” row in the following table primarily relate to changes in foreign currency exchange rates. The goodwill balance by business segment as of December 31, 2019 and September 30, 2020, follow:

Goodwill

(Millions)	Safety and Industrial		Transportation and Electronics		Health Care		Consumer		Total Company
Balance as of December 31, 2019	$	4,621	$	1,830	$	6,739	$	254	$	13,444
Acquisition activity		—		—		(34)		—		(34)
Divestiture activity		—		(10)		(19)		—		(29)
Translation and other		(7)		13		143		5		154
Balance as of September 30, 2020	$	4,614	$	1,833	$	6,829	$	259	$	13,535

Accounting standards require that goodwill be tested for impairment annually and between annual tests in certain circumstances such as a change in reporting units or the testing of recoverability of a significant asset group within a reporting unit. At 3M, reporting units correspond to a division.

As described in Note 16, effective in the first quarter of 2020, the Company changed its business segment reporting. For any product changes that resulted in reporting unit changes, the Company applied the relative fair value method to determine the impact on goodwill of the associated reporting units, the results of which were immaterial. In conjunction with the change in segment reporting, 3M completed an assessment indicating no goodwill impairment existed as a result of this new segment structure.

Acquired Intangible Assets

The carrying amount and accumulated amortization of acquired finite-lived intangible assets, in addition to the balance of non-amortizable intangible assets, as of September 30, 2020, and December 31, 2019, follow:

	September 30,		December 31,
(Millions)	2020		2019
Customer related intangible assets	$	4,232	$	4,316
Patents		530		538
Other technology-based intangible assets		2,099		2,124
Definite-lived tradenames		1,175		1,158
Other amortizable intangible assets		121		125
Total gross carrying amount	$	8,157	$	8,261
Accumulated amortization — customer related		(1,337)		(1,180)
Accumulated amortization — patents		(502)		(499)
Accumulated amortization — other technology-based		(576)		(435)
Accumulated amortization — definite-lived tradenames		(367)		(316)
Accumulated amortization — other		(87)		(90)
Total accumulated amortization	$	(2,869)	$	(2,520)
Total finite-lived intangible assets — net	$	5,288	$	5,741
Non-amortizable intangible assets (primarily tradenames)		638		638
Total intangible assets — net	$	5,926	$	6,379

Certain tradenames acquired by 3M are not amortized because they have been in existence for over 60 years, have a history of leading-market share positions, have been and are intended to be continuously renewed, and the associated products of which are expected to generate cash flows for 3M for an indefinite period of time. As discussed in Note 13, 3M reflected an immaterial charge related to impairment of certain indefinite-lived assets in the first quarter of 2020.

Amortization expense for the three and nine months ended September 30, 2020 and 2019 follows:

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Amortization expense	$	137	$	69	$	405	$	208

Expected amortization expense for acquired amortizable intangible assets recorded as of September 30, 2020:

	Remainder of												After
(Millions)	2020		2021		2022		2023		2024		2025		2025
Amortization expense	$	132	$	524	$	511	$	485	$	460	$	428	$	2,748

The preceding expected amortization expense is an estimate. Actual amounts of amortization expense may differ from estimated amounts due to additional intangible asset acquisitions, changes in foreign currency exchange rates, impairment of intangible assets, accelerated amortization of intangible assets and other events. 3M expenses the costs incurred to renew or extend the term of intangible assets.

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Restructuring Actions

9 Months Ended

Sep. 30, 2020

Restructuring Actions

Restructuring Actions

NOTE 5. Restructuring Actions

2020 Restructuring Actions:

Divestiture-Related Restructuring

During the second quarter of 2020, following the divestiture of substantially all of the drug delivery business (see Note 3) management approved and committed to undertake certain restructuring actions addressing corporate functional costs and manufacturing footprint across 3M in relation to the magnitude of amounts previously allocated/burdened to the divested business. These actions affected approximately 1,300 positions worldwide and resulted in a second quarter 2020 pre-tax charge of $55 million, within Corporate and Unallocated. The divestiture-related restructuring actions were recorded in the income statement as follows:

(Millions)	Second Quarter 2020
Cost of sales	$	42
Selling, general and administrative expenses		12
Research, development and related expenses		1
Total operating income impact	$	55

Divestiture-related restructuring actions, including cash and non-cash impacts, follow:

(Millions)	Employee-Related		Asset-Related and Other		Total
Expense incurred in the second quarter of 2020	$	32	$	23	$	55
Non-cash changes		—		(14)		(14)
Cash payments		(7)		—		(7)
Accrued divestiture-related restructuring action balances as of September 30, 2020	$	25	$	9	$	34

Remaining activities related to this divestiture-related restructuring are expected to be largely completed through the second quarter of 2021.

Other Restructuring

Additionally, in the second quarter of 2020, management approved and committed to undertake certain restructuring actions addressing structural enterprise costs and operations in certain end markets as a result of the COVID-19 pandemic and related economic impacts. These actions affected approximately 400 positions worldwide and resulted in a second quarter 2020 pre-tax charge of $58 million. The restructuring charges were recorded in the income statement as follows:

(Millions)	Second Quarter 2020
Cost of sales	$	13
Selling, general and administrative expenses		37
Research, development and related expenses		8
Total operating income impact	$	58

The business segment operating income impact of these restructuring charges are summarized by business segment as follows:

	Second Quarter 2020
(Millions)	Employee-Related		Asset-Related		Total
Safety and Industrial	$	7	$	—	$	7
Transportation and Electronics		11		—		11
Health Care		12		—		12
Consumer		5		—		5
Corporate and Unallocated		—		23		23
Total Operating Expense	$	35	$	23	$	58

Restructuring actions, including cash and non-cash impacts, follow:

(Millions)	Employee-Related		Asset-Related		Total
Expense incurred in the second quarter of 2020	$	35	$	23	$	58
Non-cash changes		—		(23)		(23)
Adjustments		(9)		—		(9)
Accrued restructuring action balances as of September 30, 2020	$	26	$	—	$	26

Remaining activities related to this restructuring are expected to be largely completed through the second quarter of 2021.

2019 Restructuring Actions:

As described in Note 5 in 3M’s 2019 Annual Report on Form 10-K, during the second quarter of 2019, in light of slower than expected 2019 sales, management approved and committed to undertake certain restructuring actions. These actions impacted approximately 2,000 positions worldwide, including attrition. The Company recorded second quarter 2019 pre-tax charges of $148 million. The restructuring charges were recorded in the income statement as follows:

(Millions)	Second Quarter 2019
Cost of sales	$	18
Selling, general and administrative expenses		89
Research, development and related expenses		5
Total operating income impact		112
Other expense (income), net		36
Total income before taxes impact	$	148

The operating income impact of these restructuring charges are summarized by business segment as follows:

	Second Quarter 2019
(Millions)	Employee-Related		Asset-Related		Total
Safety and Industrial	$	11	$	—	$	11
Transportation and Electronics		8		—		8
Health Care		6		—		6
Consumer		5		—		5
Corporate and Unallocated		42		40		82
Total Operating Expense	$	72	$	40	$	112

The second quarter 2019 actions included a voluntary early retirement incentive (further discussed in Note 11), the charge for which is included in other expense (income), net above.

Restructuring action activity from 2019, which includes both second and fourth quarter actions, including cash and non-cash impacts, follow:

(Millions)	Employee-Related
Accrued restructuring action balances as of December 31, 2019	$	140
Cash Payments		(25)
Adjustments		(55)
Accrued restructuring action balances as of September 30, 2020	$	60

Adjustments in the table above reflect changes in estimates from factors such as additional natural attrition and redeployment as COVID-19 delayed the start of plan execution and update of costs associated with the mix of impacted roles. Remaining activities related to this restructuring are expected to be completed largely through early 2021.

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Supplemental Income Statement Information

9 Months Ended

Sep. 30, 2020

Supplemental Income Statement Information

Supplemental Income Statement Information

NOTE 6. Supplemental Income Statement Information

Other expense (income), net consists of the following:

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Interest expense	$	128	$	109	$	388	$	324
Interest income		(5)		(26)		(24)		(64)
Pension and postretirement net periodic benefit cost (benefit)		(19)		(38)		(53)		(73)
Loss on deconsolidation of Venezuelan subsidiary		—		—		—		162
Total	$	104	$	45	$	311	$	349

Pension and postretirement net periodic benefit costs described in the table above include all components of defined benefit plan net periodic benefit costs except service cost, which is reported in various operating expense lines. Pension and postretirement net periodic benefit costs include a second quarter 2019 charge related to the voluntary early retirement incentive program announced in May 2019. Refer to Note 11 for additional details on the voluntary early retirement incentive program in addition to the components of pension and postretirement net periodic benefit costs.

In the second quarter of 2019, the Company incurred a charge of $162 million related to the deconsolidation of its Venezuelan subsidiary. Refer to Note 1 for additional details.

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Supplemental Equity and Comprehensive Income Information

9 Months Ended

Sep. 30, 2020

Supplemental Equity and Comprehensive Income Information

Supplemental Equity and Comprehensive Income Information

NOTE 7. Supplemental Equity and Comprehensive Income Information

Cash dividends declared and paid totaled $1.47 and $1.44 per share for the first, second, and third quarters 2020 and 2019, respectively, or $4.41 and $4.32 per share for the first nine months of 2020 and 2019, respectively.

Consolidated Changes in Equity

Three months ended September 30, 2020

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at June 30, 2020	$	10,915	$	6,083	$	42,759	$	(29,699)	$	(8,286)	$	58
Net income		1,417				1,413						4
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		271								270		1
Defined benefit pension and post-retirement plans adjustment		127								127		—
Cash flow hedging instruments		(71)								(71)		—
Total other comprehensive income (loss), net of tax		327
Dividends declared		(847)				(847)
Stock-based compensation		42		42
Reacquired stock		(1)						(1)
Issuances pursuant to stock option and benefit plans		90				(40)		130
Balance at September 30, 2020	$	11,943	$	6,125	$	43,285	$	(29,570)	$	(7,960)	$	63

Nine months ended September 30, 2020

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at December 31, 2019	$	10,126	$	5,916	$	42,135	$	(29,849)	$	(8,139)	$	63
Net income		3,998				3,995						3
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(67)								(65)		(2)
Defined benefit pension and post-retirement plans adjustment		304								304		—
Cash flow hedging instruments		(60)								(60)		—
Total other comprehensive income (loss), net of tax		177
Dividends declared		(2,540)				(2,540)
Purchase of subsidiary shares		(1)										(1)
Stock-based compensation		209		209
Reacquired stock		(357)						(357)
Issuances pursuant to stock option and benefit plans		331				(305)		636
Balance at September 30, 2020	$	11,943	$	6,125	$	43,285	$	(29,570)	$	(7,960)	$	63

Three months ended September 30, 2019

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at June 30, 2019	$	10,142	$	5,821	$	41,362	$	(29,828)	$	(7,272)	$	59
Net income		1,588				1,583						5
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(202)								(200)		(2)
Defined benefit pension and post-retirement plans adjustment		76								76		—
Cash flow hedging instruments		8								8		—
Total other comprehensive income (loss), net of tax		(118)
Dividends declared		(828)				(828)
Stock-based compensation		49		49
Reacquired stock		(141)						(141)
Issuances pursuant to stock option and benefit plans		72				(32)		104
Balance at September 30, 2019	$	10,764	$	5,870	$	42,085	$	(29,865)	$	(7,388)	$	62

Nine months ended September 30, 2019

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at December 31, 2018	$	9,848	$	5,652	$	40,636	$	(29,626)	$	(6,866)	$	52
Impact of adoption of ASU No. 2018-02*		—				853				(853)
Impact of adoption of ASU No. 2016-02*		14				14
Net income		3,612				3,601						11
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(2)								(1)		(1)
Defined benefit pension and post-retirement plans adjustment		356								356		—
Cash flow hedging instruments		(24)								(24)		—
Total other comprehensive income (loss), net of tax		330
Dividends declared		(2,488)				(2,488)
Stock-based compensation		218		218
Reacquired stock		(1,211)						(1,211)
Issuances pursuant to stock option and benefit plans		441				(531)		972
Balance at September 30, 2019	$	10,764	$	5,870	$	42,085	$	(29,865)	$	(7,388)	$	62

*See Note 1 in 3M’s 2019 Annual Report on Form 10-K.

Changes in Accumulated Other Comprehensive Income (Loss) Attributable to 3M by Component

Three months ended September 30, 2020

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at June 30, 2020, net of tax:	$	(2,234)	$	(6,032)	$	(20)	$	(8,286)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		237		—		(72)		165
Amounts reclassified out		—		163		(21)		142
Total other comprehensive income (loss), before tax		237		163		(93)		307
Tax effect		33		(36)		22		19
Total other comprehensive income (loss), net of tax		270		127		(71)		326
Balance at September 30, 2020, net of tax:	$	(1,964)	$	(5,905)	$	(91)	$	(7,960)

Nine months ended September 30, 2020

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at December 31, 2019, net of tax:	$	(1,899)	$	(6,209)	$	(31)	$	(8,139)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(98)		(80)		(10)		(188)
Amounts reclassified out		—		489		(68)		421
Total other comprehensive income (loss), before tax		(98)		409		(78)		233
Tax effect		33		(105)		18		(54)
Total other comprehensive income (loss), net of tax		(65)		304		(60)		179
Balance at September 30, 2020, net of tax:	$	(1,964)	$	(5,905)	$	(91)	$	(7,960)

Three months ended September 30, 2019

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at June 30, 2019, net of tax:	$	(1,912)	$	(5,369)	$	9	$	(7,272)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(149)		—		31		(118)
Amounts reclassified out		—		101		(21)		80
Total other comprehensive income (loss), before tax		(149)		101		10		(38)
Tax effect		(51)		(25)		(2)		(78)
Total other comprehensive income (loss), net of tax		(200)		76		8		(116)
Balance at September 30, 2019, net of tax:	$	(2,112)	$	(5,293)	$	17	$	(7,388)

Nine months ended September 30, 2019

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at December 31, 2018, net of tax:	$	(2,098)	$	(4,832)	$	64	$	(6,866)
Impact of adoption of ASU No. 2018-02*		(13)		(817)		(23)		(853)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(86)		153		14		81
Amounts reclassified out		142		310		(48)		404
Total other comprehensive income (loss), before tax		56		463		(34)		485
Tax effect		(57)		(107)		10		(154)
Total other comprehensive income (loss), net of tax		(1)		356		(24)		331
Balance at September 30, 2019, net of tax	$	(2,112)	$	(5,293)	$	17	$	(7,388)

*See Note 1 in 3M’s 2019 Annual Report on Form 10-K.

Income taxes are not provided for foreign translation relating to permanent investments in international subsidiaries, but tax effects within cumulative translation does include impacts from items such as net investment hedge transactions. Reclassification adjustments are made to avoid double counting in comprehensive income items that are subsequently recorded as part of net income.

Reclassifications out of Accumulated Other Comprehensive Income Attributable to 3M

	Amount Reclassified from
Details about Accumulated Other	Accumulated Other Comprehensive Income
Comprehensive Income Components	Three months ended September 30,				Nine months ended September 30,				Location on Income
(Millions)	2020		2019		2020		2019		Statement
Cumulative translation adjustment
Deconsolidation of Venezuelan subsidiary	$	—	$	—	$	—	$	(142)	Other income (expense), net
Total before tax		—		—		—		(142)
Tax effect		—		—		—		—	Provision for income taxes
Net of tax	$	—	$	—	$	—	$	(142)
Defined benefit pension and postretirement plans adjustments
Gains (losses) associated with defined benefit pension and postretirement plans amortization
Transition asset	$	(1)	$	—	$	(2)	$	—	See Note 11
Prior service benefit		15		18		46		50	See Note 11
Net actuarial loss		(176)		(119)		(530)		(358)	See Note 11
Curtailments/Settlements		(1)		—		(3)		—	See Note 11
Deconsolidation of Venezuelan subsidiary		—		—		—		(2)	Other income (expense), net
Total before tax		(163)		(101)		(489)		(310)
Tax effect		36		25		118		70	Provision for income taxes
Net of tax	$	(127)	$	(76)	$	(371)	$	(240)
Cash flow hedging instruments gains (losses)
Foreign currency forward/option contracts	$	23	$	22	$	74	$	50	Cost of sales
Interest rate contracts		(2)		(1)		(6)		(2)	Interest expense
Total before tax		21		21		68		48
Tax effect		(5)		(4)		(16)		(9)	Provision for income taxes
Net of tax	$	16	$	17	$	52	$	39
Total reclassifications for the period, net of tax	$	(111)	$	(59)	$	(319)	$	(343)

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Income Taxes

9 Months Ended

Sep. 30, 2020

Income Taxes.

Income Taxes

NOTE 8. Income Taxes

The Company is under IRS examination or appeals for the tax years 2017 through 2018. The IRS has completed its field examination of the U.S. federal income tax returns for all years for 2005 through 2016, but the years have not closed as the Company is in the process of resolving issues identified during those examinations. In addition to the U.S. federal examination, there is also audit activity in several U.S. state and foreign jurisdictions where the Company is subject to ongoing tax examinations and governmental assessments, which could be impacted by evolving political environments in those jurisdictions. As of September 30, 2020, no taxing authority has proposed significant adjustments to the Company’s tax positions for which the Company is not adequately reserved.

It is reasonably possible that the amount of unrecognized tax benefits could significantly change within the next 12 months. At this time, the Company is not able to estimate the range by which these potential events could impact 3M’s unrecognized tax benefits in the next 12 months. The total amounts of unrecognized tax benefits that, if recognized, would affect the effective tax rate as of September 30, 2020 and December 31, 2019 are $1,155 million and $1,178 million, respectively. The change in unrecognized tax benefits during 2020 includes a $52 million decrease associated with the tax treatment of the 2018 agreement reached with the State of Minnesota that resolved the Natural Resources Damages (NRD) lawsuit.

As of September 30, 2020 and December 31, 2019, the Company had valuation allowances of $124 million and $158 million on its deferred tax assets, respectively.

The effective tax rate for the third quarter of 2020 was 21.4 percent, compared to 19.3 percent in the third quarter of 2019, an increase of 2.1 percentage points. The primary factor contributing to the increase was nonrepeating 2019 favorable adjustments related to international tax provisions of U.S. tax reform.

The effective tax rate for the first nine months of 2020 was 20.0 percent, compared to 19.7 percent in the first nine months of 2019, largely consistent year-on-year.

The Company previously disclosed as of December 31, 2019 that approximately $14 billion of the undistributed earnings of its foreign subsidiaries were considered indefinitely reinvested. During the third quarter of 2020, 3M determined that approximately $5 billion of these earnings are no longer considered permanently reinvested. The incremental tax cost to repatriate these earnings to the US is immaterial. The Company has not provided deferred taxes on approximately $9 billion of undistributed earnings from non-U.S. subsidiaries as of September 30, 2020 which are indefinitely reinvested in operations. Because of the multiple avenues by which to repatriate the earnings to minimize tax cost, and because a large portion of these earnings are not liquid, it is not practical to determine the income tax liability that would be payable if such earnings were not reinvested indefinitely.

In March 2020, in response to the impact of the COVID-19 pandemic in the U.S. and across the globe, the United States Congress passed the Coronavirus Aid, Relief and Economic Security (CARES) Act. The enactment period impacts to 3M were immaterial to income tax expense.

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Marketable Securities and Held-to-Maturity Debt Securities

9 Months Ended

Sep. 30, 2020

Marketable Securities and Held-to-Maturity Debt Securities

Marketable Securities and Held-to-Maturity Debt Securities

NOTE 9. Marketable Securities and Held-to-Maturity Debt Securities

The following is a summary of the types of investments and amounts recorded on the Consolidated Balance Sheet for marketable securities (current and non-current).

(Millions)	September 30, 2020		December 31, 2019
Corporate debt securities	$	7	$	—
Commercial paper		233		85
Certificates of deposit/time deposits		47		10
U.S. treasury securities		150		—
U.S. municipal securities		3		3
Current marketable securities	$	440	$	98
U.S. municipal securities	$	34	$	43
Non-current marketable securities	$	34	$	43
Total marketable securities	$	474	$	141

At September 30, 2020 and December 31, 2019, gross unrealized, gross realized, and net realized gains and/or losses (pre-tax) were not material.

The balances at September 30, 2020 for marketable securities by contractual maturity are shown below. Actual maturities may differ from contractual maturities because the issuers of the securities may have the right to prepay obligations without prepayment penalties.

(Millions)	September 30, 2020
Due in one year or less	$	440
Due after one year through five years		14
Due after five years through ten years		20
Total marketable securities	$	474

Held-to-Maturity Debt Securities

In connection with the in-substance debt defeasance of the Third Lien Notes described in Note 10, the Company purchased a $0.5 billion U.S. Treasury security in the fourth quarter of 2019 and transferred it to a trust with irrevocable instructions to use the proceeds from its maturity to satisfy the redemption of the Third Lien Notes that occurred in May 2020. This debt security was considered held-to-maturity due to the restrictions in satisfying and discharging the Third Lien Notes, was carried at amortized cost, and was reflected in other current assets on the Company’s consolidated balance sheet. Upon the maturity of the debt security in May 2020, the Company has no held-to-maturity debt securities.

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Long-Term Debt and Short-Term Borrowings

9 Months Ended

Sep. 30, 2020

Long-Term Debt and Short-Term Borrowings

Long-Term Debt and Short-Term Borrowings

NOTE 10. Long-Term Debt and Short-Term Borrowings

In March 2020, 3M issued $1.75 billion aggregate principal amount of fixed rate registered notes. These were comprised of $500 million of 5-year notes due 2025 with a coupon rate of 2.65%, $600 million of 10-year notes due 2030 with a coupon rate of 3.05%, and $650 million of 30-year notes due 2050 with a coupon rate of 3.70%.

As of September 30, 2020, the Company had no commercial paper outstanding, compared to $150 million in commercial paper outstanding as of December 31, 2019.

In July 2020, 3M extended a credit facility initially expiring in July 2020 to August 2021 in the amount of 80 billion Japanese yen. In November 2019, 3M entered into a credit facility expiring in November 2020 in the amount of 150 million euros. During the third quarter of 2020, the Company paid the outstanding balances and closed these credit facilities.

In conjunction with the October 2019 acquisition of Acelity (see Note 3), 3M assumed outstanding debt of the business, of which $445 million in principal amount of third lien senior secured notes (Third Lien Notes) maturing in 2021 with a coupon rate of 12.5% was not immediately redeemed at closing. Instead, at closing, 3M satisfied and discharged the Third Lien Notes via an in-substance defeasance, whereby 3M transferred cash equivalents and marketable securities to a trust with irrevocable instructions to redeem the Third Lien Notes on May 1, 2020. The trust assets were restricted from use in 3M’s operations and were only used for the redemption of the Third Lien Notes that occurred in May 2020. These actions, however, did not represent a legal defeasance. Therefore, this debt was included in current portion of long-term debt and the related trust assets were included in current assets on the Company’s consolidated balance sheet as of December 31, 2019.

In May 2020, 3M repaid the aggregate $445 million principal amount of Third Lien Notes subject to the in-substance defeasance above and repaid 650 million euros aggregate principal amount of floating-rate medium-term notes that matured. In August 2020, 3M repaid $500 million aggregate principal amount of floating rate medium-term notes that matured.

Future Maturities of Long-term Debt

Maturities of long-term debt in the table below reflect the impact of put provisions associated with certain debt instruments and are net of the unaccreted debt issue costs such that total maturities equal the carrying value of long-term debt as of September 30, 2020. The maturities of long-term debt for the periods subsequent to September 30, 2020 are as follows (in millions):

Remainder of												After
2020		2021		2022		2023		2024		2025		2025		Total
$	149	$	1,710	$	1,629	$	1,842	$	1,101	$	1,789	$	11,362	$	19,582

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Pension and Postretirement Benefit Plans

9 Months Ended

Sep. 30, 2020

Pension and Postretirement Benefit Plans

Pension and Postretirement Benefit Plans

NOTE 11. Pension and Postretirement Benefit Plans

The service cost component of defined benefit net periodic benefit cost is recorded in cost of sales; selling, general and administrative expenses; and research, development and related expenses. The other components of net periodic benefit cost are reflected in other expense (income), net. Components of net periodic benefit cost and other supplemental information for the three and nine months ended September 30, 2020 and 2019 follow:

Benefit Plan Information

	Three months ended September 30,
	Qualified and Non-qualified
	Pension Benefits								Postretirement
	United States				International				Benefits
(Millions)	2020		2019		2020		2019		2020		2019
Net periodic benefit cost (benefit)
Operating expense
Service cost	$	66	$	63	$	39	$	32	$	11	$	10
Non-operating expense
Interest cost	$	124	$	155	$	31	$	40	$	16	$	20
Expected return on plan assets		(255)		(260)		(77)		(75)		(20)		(20)
Amortization of transition asset		—		—		1		—		—		—
Amortization of prior service benefit		(6)		(6)		(1)		(3)		(8)		(9)
Amortization of net actuarial loss		134		91		30		20		12		8
Settlements, curtailments, special termination benefits and other		—		—		—		—		1		—
Total non-operating expense (benefit)		(3)		(20)		(16)		(18)		1		(1)
Total net periodic benefit cost (benefit)	$	63	$	43	$	23	$	14	$	12	$	9

	Nine months ended September 30,
	Qualified and Non-qualified
	Pension Benefits								Postretirement
	United States				International				Benefits
(Millions)	2020		2019		2020		2019		2020		2019
Net periodic benefit cost (benefit)
Operating expense
Service cost	$	197	$	188	$	115	$	98	$	33	$	32
Non-operating expense
Interest cost	$	374	$	466	$	95	$	118	$	48	$	62
Expected return on plan assets		(765)		(780)		(231)		(225)		(60)		(61)
Amortization of transition asset		—		—		2		—		—		—
Amortization of prior service benefit		(18)		(18)		(4)		(9)		(24)		(23)
Amortization of net actuarial loss		402		274		92		59		36		25
Settlements, curtailments, special termination benefits and other		—		35		—		1		3		—
Total non-operating expense (benefit)		(7)		(23)		(46)		(56)		3		3
Total net periodic benefit cost (benefit)	$	190	$	165	$	69	$	42	$	36	$	35

For the nine months ended September 30, 2020 contributions totaling $119 million were made to the Company’s U.S. and international pension plans and $3 million to its postretirement plans. For total year 2020, the Company expects to contribute approximately $200 million of cash to its global defined benefit pension and postretirement plans. The Company does not have a required minimum cash pension contribution obligation for its U.S. plans in 2020. Future contributions will depend on market conditions, interest rates and other factors. 3M’s annual measurement date for pension and postretirement assets and liabilities is December 31 each year, which is also the date used for the related annual measurement assumptions.

In May 2019 (as part of the 2019 restructuring actions discussed in Note 5), the Company began offering a voluntary early retirement incentive program to certain eligible participants of its U.S. pension plans who meet age and years of pension service requirements. The eligible participants who accepted the offer and retired by July 1, 2019 received an enhanced pension benefit. Pension benefits were enhanced by adding one additional year of pension service and one additional year of age for certain benefit calculations. Approximately 800 participants accepted the offer and retired before July 1, 2019. As a result, the Company incurred a $35 million charge related to these special termination benefits in the second quarter of 2019.

In May 2019, 3M modified the 3M Retiree Life Insurance Plan postretirement benefit to close it to new participants effective August 1, 2019 (which results in employees who retire on or after August 1, 2019 not being eligible to participate in the plan) and reducing the maximum life insurance and death benefit to $8,000 for deaths on or after August 1, 2019. Due to these changes, the plan was re-measured in the second quarter of 2019, resulting in a decrease to the accumulated projected benefit obligation liability of approximately $150 million and a related increase to shareholders’ equity, specifically accumulated other comprehensive income in addition to an immaterial income statement benefit prospectively.

In the second quarter of 2020, as a result of the divestiture of the drug delivery business, the Company recognized a curtailment in its United Kingdom Pension Plan. The resulting re-measurement of the pension plan funded status reduced long-term prepaid pension and post retirement assets (located within “other assets” of the Company’s balance sheet) by approximately $80 million, which was offset within accumulated other comprehensive income (located within the equity section of the Company’s balance sheet). The expense impact of this re-measurement was immaterial for the second quarter of 2020 and subsequent periods.

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Derivatives

9 Months Ended

Sep. 30, 2020

Derivatives

Derivatives

NOTE 12. Derivatives

The Company uses interest rate swaps, currency swaps, commodity price swaps, and forward and option contracts to manage risks generally associated with foreign exchange rate, interest rate and commodity price fluctuations. The information that follows explains the various types of derivatives and financial instruments used by 3M, how and why 3M uses such instruments, how such instruments are accounted for, and how such instruments impact 3M’s financial position and performance.

Additional information with respect to derivatives is included elsewhere as follows:

● Impact on other comprehensive income of nonderivative hedging and derivative instruments is included in Note 7.

● Fair value of derivative instruments is included in Note 13.

● Derivatives and/or hedging instruments associated with the Company’s long-term debt are described in Note 12 in 3M’s 2019 Annual Report on Form 10-K.

Types of Derivatives/Hedging Instruments and Inclusion in Income/Other Comprehensive Income

Cash Flow Hedges:

For derivative instruments that are designated and qualify as cash flow hedges, the gain or loss on the derivative is reported as a component of other comprehensive income and reclassified into earnings in the same period during which the hedged transaction affects earnings. Gains and losses on the derivative representing hedge components excluded from the assessment of effectiveness are recognized in current earnings.

Cash Flow Hedging - Foreign Currency Forward and Option Contracts: The Company enters into foreign exchange forward and option contracts to hedge against the effect of exchange rate fluctuations on cash flows denominated in foreign currencies. These transactions are designated as cash flow hedges. The settlement or extension of these derivatives will result in reclassifications (from accumulated other comprehensive income) to earnings in the period during which the hedged transactions affect earnings. 3M may dedesignate these cash flow hedge relationships in advance of the occurrence of the forecasted transaction. The portion of gains or losses on the derivative instrument previously included in accumulated other comprehensive income for dedesignated hedges remains in accumulated other comprehensive income until the forecasted transaction occurs or becomes probable of not occurring. Changes in the value of derivative instruments after dedesignation are recorded in earnings and are included in the Derivatives Not Designated as Hedging Instruments section below. The maximum length of time over which 3M hedges its exposure to the variability in future cash flows of the forecasted transactions is 36 months.

Cash Flow Hedging - Interest Rate Contracts: The Company may use forward starting interest rate swap or treasury rate lock contracts to hedge exposure to variability in cash flows from interest payments on forecasted debt issuances. Additional information regarding previously issued but terminated interest rate contracts, which have related balances within accumulated other comprehensive income being amortized over the underlying life of related debt, can be found in Note 14 in 3M’s 2019 Annual Report on Form 10-K.

In March 2020, the Company entered into treasury rate lock contracts with a notional amount of $500 million that were terminated concurrently with the March 2020 issuance of registered notes as discussed in Note 10. The termination resulted in an immaterial net loss within accumulated other comprehensive income that will be amortized over the respective lives of the debt.

The amortization of gains and losses on forward starting interest rate swap and treasury rate lock contracts is included in the tables below as part of the gain/(loss) reclassified from accumulated other comprehensive income into income.

As of September 30, 2020, the Company had a balance of $91 million after-tax net unrealized loss associated with cash flow hedging instruments recorded in accumulated other comprehensive income. This includes a remaining balance of $109 million (after-tax loss) related to the forward starting interest rate swap and treasury rate lock contracts, which will be amortized over the respective lives of the notes. Based on exchange rates as of September 30, 2020, 3M expects to reclassify approximately $7 million, $3 million, and $4 million of the after-tax net unrealized cash flow hedging gains to earnings over the next 12 months, over the remainder of 2020, and in 2021, respectively, in addition to reclassifying approximately $98 million of the after-tax net unrealized cash flow hedging losses to earnings after 2021 (with the impact offset by earnings/losses from underlying hedged items).

The location in the consolidated statements of income and comprehensive income and amounts of gains and losses related to derivative instruments designated as cash flow hedges are provided in the following table. Reclassifications of amounts from accumulated other comprehensive income into income include accumulated gains (losses) on dedesignated hedges at the time earnings are impacted by the forecasted transactions.

	Pretax Gain (Loss)
	Recognized in Other		Pretax Gain (Loss) Reclassified
	Comprehensive		from Accumulated Other
	Income on Derivative		Comprehensive Income into Income
Three months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	(72)	Cost of sales	$	23
Interest rate contracts		—	Interest expense		(2)
Total	$	(72)		$	21

Nine months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	(8)	Cost of sales	$	74
Interest rate contracts		(2)	Interest expense		(6)
Total	$	(10)		$	68

Three months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	105	Cost of sales	$	22
Interest rate contracts		(74)	Interest expense		(1)
Total	$	31		$	21

Nine months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	137	Cost of sales	$	50
Interest rate contracts		(123)	Interest expense		(2)
Total	$	14		$	48

Fair Value Hedges:

For derivative instruments that are designated and qualify as fair value hedges, the gain or loss on the derivatives as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in current earnings.

Fair Value Hedging - Interest Rate Swaps: The Company manages interest expense using a mix of fixed and floating rate debt. To help manage borrowing costs, the Company may enter into interest rate swaps. Under these arrangements, the Company agrees to exchange, at specified intervals, the difference between fixed and floating interest amounts calculated by reference to an agreed-upon notional principal amount. The mark-to-market of these fair value hedges is recorded as gains or losses in interest expense and is offset by the gain or loss of the underlying debt instrument, which also is recorded in interest expense. Additional information regarding designated interest rate swaps can be found in Note 14 in 3M’s 2019 Annual Report on Form 10-K.

Refer to the section below titled Statement of Income Location and Impact of Cash Flow and Fair Value Derivative Instruments for details on the location within the consolidated statements of income for amounts of gains and losses related to derivative instruments designated as fair value hedges and similar information relative to the hedged items for the three and nine months ended September 30, 2020.

The following amounts were recorded on the consolidated balance sheet related to cumulative basis adjustments for fair value hedges:

					Cumulative Amount of Fair Value Hedging
	Carrying Value of the				Adjustment Included in the Carrying Value
	Hedged Liabilities (in millions)				of the Hedged Liabilities (in millions)
Location on the Consolidated Balance Sheet	September 30, 2020		December 31, 2019		September 30, 2020		December 31, 2019
Short-term borrowings and current portion of long-term debt	$	205	$	499	$	5	$	—
Long-term debt		581		775		13		22
Total	$	786	$	1,274	$	18	$	22

Net Investment Hedges:

The Company may use non-derivative (foreign currency denominated debt) and derivative (foreign exchange forward contracts) instruments to hedge portions of the Company’s investment in foreign subsidiaries and manage foreign exchange risk. For instruments that are designated and qualify as hedges of net investments in foreign operations and that meet the effectiveness requirements, the net gains or losses attributable to changes in spot exchange rates are recorded in cumulative translation within other comprehensive income. Amounts excluded from the assessment of hedge effectiveness, including the time value of the forward contract at the inception of the hedge, are recognized in earnings using an amortization approach over the life of the hedging instrument on a straight-line basis. Any difference between the change in the fair value of the excluded component and the amount amortized into earnings during the period is recorded in cumulative translation within other comprehensive income. Recognition in earnings of amounts previously recorded in cumulative translation is limited to circumstances such as complete or substantially complete liquidation of the net investment in the hedged foreign operation. To the extent foreign currency denominated debt is not designated in or is dedesignated from a net investment hedge relationship, changes in value of that portion of foreign currency denominated debt due to exchange rate changes are recorded in earnings through their maturity date.

3M’s use of foreign exchange forward contracts designated in hedges of the Company’s net investment in foreign subsidiaries can vary by time period depending on when foreign currency denominated debt balances designated in such relationships are dedesignated, matured, or are newly issued and designated. Additionally, variation can occur in connection with the extent of the Company’s desired foreign exchange risk coverage.

At September 30, 2020, the total notional amount of foreign exchange forward contracts designated in net investment hedges was approximately 50 million euros, along with a principal amount of long-term debt instruments designated in net investment hedges totaling 3.5 billion euros. The maturity dates of these derivative and nonderivative instruments designated in net investment hedges range from 2021 to 2031.

The location in the consolidated statements of income and comprehensive income and amounts of gains and losses related to derivative and nonderivative instruments designated as net investment hedges are as follows. There were no reclassifications of the effective portion of net investment hedges out of accumulated other comprehensive income into income for the periods presented in the table below.

	Pretax Gain (Loss)
	Recognized as
	Cumulative Translation		Amount of Gain (Loss) Excluded
	within Other		from Effectiveness Testing
	Comprehensive Income		Recognized in Income
Three months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	(154)	Cost of sales	$	—
Foreign currency forward contracts		(3)	Cost of sales		—
Total	$	(157)		$	—

Nine months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	(150)	Cost of sales	$	—
Foreign currency forward contracts		2	Cost of sales		5
Total	$	(148)		$	5

Three months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	177	Cost of sales	$	—
Foreign currency forward contracts		38	Cost of sales		6
Total	$	215		$	6

Nine months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	205	Cost of sales	$	—
Foreign currency forward contracts		43	Cost of sales		18
Total	$	248		$	18

Derivatives Not Designated as Hedging Instruments:

Derivatives not designated as hedging instruments include dedesignated foreign currency forward and option contracts that formerly were designated in cash flow hedging relationships (as referenced in the Cash Flow Hedges section above). In addition, 3M enters into foreign currency forward contracts to offset, in part, the impacts of certain intercompany activities and enters into commodity price swaps to offset, in part, fluctuations in costs associated with the use of certain commodities and precious metals. These derivative instruments are not designated in hedging relationships; therefore, fair value gains and losses on these contracts are recorded in earnings. The Company does not hold or issue derivative financial instruments for trading purposes.

The location in the consolidated statement of income and amounts of gains and losses related to derivative instruments not designated as hedging instruments are as follows:

	Three months ended September 30, 2020			Nine months ended September 30, 2020
	Gain (Loss) on Derivative Recognized in			Gain (Loss) on Derivative Recognized in
	Income			Income
(Millions)	Location	Amount		Location	Amount
Foreign currency forward/option contracts	Cost of sales	$	1	Cost of sales	$	3
Foreign currency forward contracts	Interest expense		29	Interest expense		2
Total		$	30		$	5

	Three months ended September 30, 2019			Nine months ended September 30, 2019
	Gain (Loss) on Derivative Recognized in			Gain (Loss) on Derivative Recognized in
	Income			Income
(Millions)	Location	Amount		Location	Amount
Foreign currency forward/option contracts	Cost of sales	$	6	Cost of sales	$	4
Foreign currency forward contracts	Interest expense		(8)	Interest expense		(26)
Total		$	(2)		$	(22)

Statement of Income Location and Impact of Cash Flow and Fair Value Derivative Instruments

The location in the consolidated statement of income and pre-tax amounts recognized in income related to derivative instruments designated in a cash flow or fair value hedging relationship are as follows:

	Location and Amount of Gain (Loss) Recognized in Income				Location and Amount of Gain (Loss) Recognized in Income
	Three months ended September 30, 2020				Nine months ended September 30, 2020
(Millions)	Cost of sales		Other expense (income), net		Cost of sales		Other expense (income), net
Total amounts of income and expense line items presented in the consolidated statement of income in which the effects of cash flow or fair value hedges are recorded	$	4,303	$	104	$	12,217	$	311
The effects of cash flow and fair value hedging:
Gain or (loss) on cash flow hedging relationships:
Foreign currency forward/option contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	$	23	$	—	$	74	$	—
Interest rate contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income		—		(2)		—		(6)
Gain or (loss) on fair value hedging relationships:
Interest rate contracts:
Hedged items	$	—	$	3	$	—	$	3
Derivatives designated as hedging instruments		—		(3)		—		(3)

	Location and Amount of Gain (Loss) Recognized in Income				Location and Amount of Gain (Loss) Recognized in Income
	Three months ended September 30, 2019				Nine months ended September 30, 2019
(Millions)	Cost of sales		Other expense (income), net		Cost of sales		Other expense (income), net
Total amounts of income and expense line items presented in the consolidated statement of income in which the effects of cash flow or fair value hedges are recorded	$	4,188	$	45	$	12,811	$	349
The effects of cash flow and fair value hedging:
Gain or (loss) on cash flow hedging relationships:
Foreign currency forward/option contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	$	22	$	—	$	50	$	—
Interest rate contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income		—		(1)		—		(2)
Gain or (loss) on fair value hedging relationships:
Interest rate contracts:
Hedged items	$	—	$	1	$	—	$	(11)
Derivatives designated as hedging instruments		—		(1)		—		11

Location and Fair Value Amount of Derivative Instruments

The following tables summarize the fair value of 3M’s derivative instruments, excluding nonderivative instruments used as hedging instruments, and their location in the consolidated balance sheet. Notional amounts below are presented at period end foreign exchange rates, except for certain interest rate swaps, which are presented using the inception date’s foreign exchange rate. Additional information with respect to the fair value of derivative instruments is included in Note 13.

	Gross		Assets			Liabilities
	Notional			Fair			Fair
September 30, 2020 (Millions)	Amount		Location	Value Amount		Location	Value Amount
Derivatives designated as
hedging instruments
Foreign currency forward/option contracts	$	1,675	Other current assets	$	40	Other current liabilities	$	24
Foreign currency forward/option contracts		722	Other assets		23	Other liabilities		7
Interest rate contracts		200	Other current assets		5	Other current liabilities		—
Interest rate contracts		403	Other assets		8	Other liabilities		—
Total derivatives designated as hedging instruments				$	76		$	31
Derivatives not designated as
hedging instruments
Foreign currency forward/option contracts	$	3,697	Other current assets	$	19	Other current liabilities	$	15
Total derivatives not designated as hedging instruments				$	19		$	15
Total derivative instruments				$	95		$	46

	Gross		Assets			Liabilities
	Notional			Fair			Fair
December 31, 2019 (Millions)	Amount		Location	Value Amount		Location	Value Amount
Derivatives designated as
hedging instruments
Foreign currency forward/option contracts	$	1,995	Other current assets	$	64	Other current liabilities	$	9
Foreign currency forward/option contracts		1,041	Other assets		50	Other liabilities		3
Interest rate contracts		500	Other current assets		—	Other current liabilities		—
Interest rate contracts		603	Other assets		17	Other liabilities		—
Total derivatives designated as hedging instruments				$	131		$	12
Derivatives not designated as
hedging instruments
Foreign currency forward/option contracts	$	2,684	Other current assets	$	11	Other current liabilities	$	8
Total derivatives not designated as hedging instruments				$	11		$	8
Total derivative instruments				$	142		$	20

Credit Risk and Offsetting of Assets and Liabilities of Derivative Instruments

The Company is exposed to credit loss in the event of nonperformance by counterparties in interest rate swaps, currency swaps, commodity price swaps, and forward and option contracts. However, the Company’s risk is limited to the fair value of the instruments. The Company actively monitors its exposure to credit risk through the use of credit approvals and credit limits, and by selecting major international banks and financial institutions as counterparties. 3M enters into master netting arrangements with counterparties when possible to mitigate credit risk in derivative transactions. A master netting arrangement may allow each counterparty to net settle amounts owed between a 3M entity and the counterparty as a result of multiple, separate derivative transactions. As of September 30, 2020, 3M has International Swaps and Derivatives Association (ISDA) agreements with 17 applicable banks and financial institutions which contain netting provisions. In addition to a master agreement with 3M supported by a primary counterparty’s parent guarantee, 3M also has associated credit support agreements in place with 16 of its primary derivative counterparties which, among other things, provide the circumstances under which either party is required to post eligible collateral (when the market value of transactions

covered by these agreements exceeds specified thresholds or if a counterparty’s credit rating has been downgraded to a predetermined rating). The Company does not anticipate nonperformance by any of these counterparties.

3M has elected to present the fair value of derivative assets and liabilities within the Company’s consolidated balance sheet on a gross basis even when derivative transactions are subject to master netting arrangements and may otherwise qualify for net presentation. However, the following tables provide information as if the Company had elected to offset the asset and liability balances of derivative instruments, netted in accordance with various criteria in the event of default or termination as stipulated by the terms of netting arrangements with each of the counterparties. For each counterparty, if netted, the Company would offset the asset and liability balances of all derivatives at the end of the reporting period based on the 3M entity that is a party to the transactions. Derivatives not subject to master netting agreements are not eligible for net presentation. As of the applicable dates presented below, no cash collateral had been received or pledged related to these derivative instruments.

Offsetting of Financial Assets under Master Netting Agreements with Derivative Counterparties

			Gross Amounts not Offset in the
			Consolidated Balance Sheet that are Subject
	Gross Amount of		to Master Netting Agreements
	Derivative Assets		Gross Amount of
	Presented in the		Eligible Offsetting		Cash
	Consolidated		Recognized		Collateral		Net Amount of
September 30, 2020 (Millions)	Balance Sheet		Derivative Liabilities		Received		Derivative Assets
Derivatives subject to master netting agreements	$	95	$	27	$	—	$	68
Derivatives not subject to master netting agreements		—						—
Total	$	95					$	68

December 31, 2019 (Millions)
Derivatives subject to master netting agreements	$	142	$	14	$	—	$	128
Derivatives not subject to master netting agreements		—						—
Total	$	142					$	128

Offsetting of Financial Liabilities under Master Netting Agreements with Derivative Counterparties

			Gross Amounts not Offset in the
			Consolidated Balance Sheet that are Subject
	Gross Amount of		to Master Netting Agreements
	Derivative Liabilities		Gross Amount of
	Presented in the		Eligible Offsetting		Cash		Net Amount of
	Consolidated		Recognized		Collateral		Derivative
September 30, 2020 (Millions)	Balance Sheet		Derivative Assets		Pledged		Liabilities
Derivatives subject to master netting agreements	$	46	$	27	$	—	$	19
Derivatives not subject to master netting agreements		—						—
Total	$	46					$	19

December 31, 2019 (Millions)
Derivatives subject to master netting agreements	$	20	$	14	$	—	$	6
Derivatives not subject to master netting agreements		—						—
Total	$	20					$	6

Currency Effects

3M estimates that year-on-year foreign currency transaction effects, including hedging impacts, decreased pre-tax income by approximately $15 million and $4 million for the three and nine months ended September 30, 2020, respectively. These estimates include transaction gains and losses, including derivative instruments designed to reduce foreign currency exchange rate risks.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2020

Fair Value Measurements

Fair Value Measurements

NOTE 13. Fair Value Measurements

3M follows ASC 820, Fair Value Measurements and Disclosures, with respect to assets and liabilities that are measured at fair value on a recurring basis and nonrecurring basis. The Company adopted ASU No. 2018-13, Changes to the Disclosure Requirements for Fair Value Measurement, as of January 1, 2020. This ASU primarily amended the disclosures around Level 3 investments, of which the Company had an immaterial amount for all periods presented. Refer to Note 1 for additional details.

In addition to the information above, refer to Note 15 in 3M’s 2019 Annual Report on Form 10-K for a qualitative discussion of the assets and liabilities that are measured at fair value on a recurring and nonrecurring basis, a description of the valuation methodologies used by 3M, and categorization within the valuation framework of ASC 820.

The following tables provide information by level for assets and liabilities that are measured at fair value on a recurring basis.

			Fair Value Measurements
Description	Fair Value at		Using Inputs Considered as
(Millions)	September 30, 2020		Level 1		Level 2		Level 3
Assets:
Available-for-sale:
Marketable securities:
Corporate debt securities	$	7	$	—	$	7	$	—
Commercial paper		233		—		233		—
Certificates of deposit/time deposits		47		—		47		—
U.S. treasury securities		150		150		—		—
U.S. municipal securities		37		—		—		37
Investments		5		5		—		—
Derivative instruments — assets:
Foreign currency forward/option contracts		82		—		82		—
Interest rate contracts		13		—		13		—
Liabilities:
Derivative instruments — liabilities:
Foreign currency forward/option contracts		46		—		46		—

			Fair Value Measurements
Description	Fair Value at		Using Inputs Considered as
(Millions)	December 31, 2019		Level 1		Level 2		Level 3
Assets:
Available-for-sale:
Marketable securities:
Commercial paper	$	85	$	—	$	85	$	—
Certificates of deposit/time deposits		10		—		10		—
U.S. municipal securities		46		—		—		46
Investments		25		25		—		—
Derivative instruments — assets:
Foreign currency forward/option contracts		125		—		125		—
Interest rate contracts		17		—		17		—
Liabilities:
Derivative instruments — liabilities:
Foreign currency forward/option contracts		20		—		20		—

The following table provides a reconciliation of the beginning and ending balances of items measured at fair value on a recurring basis in the table above that used significant unobservable inputs (level 3).

	Three months ended				Nine months ended
Marketable securities — certain U.S. municipal securities only	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Beginning balance	$	37	$	49	$	46	$	40
Total gains or losses:
Included in earnings		—		—		—		—
Included in other comprehensive income		—		—		—		—
Purchases and issuances		—		—		10		9
Sales and settlements		—		—		(19)		—
Transfers in and/or out of level 3		—		—		—		—
Ending balance	$	37	$	49	$	37	$	49
Change in unrealized gains or losses for the period included in earnings for securities held at the end of the reporting period		—		—		—		—

In addition, the plan assets of 3M’s pension and postretirement benefit plans are measured at fair value on a recurring basis (at least annually). Refer to Note 13 in 3M’s 2019 Annual Report on Form 10-K.

Assets and Liabilities that are Measured at Fair Value on a Nonrecurring Basis:

Disclosures are required for certain assets and liabilities that are measured at fair value, but are recognized and disclosed at fair value on a nonrecurring basis in periods subsequent to initial recognition. For 3M, such measurements of fair value relate primarily to indefinite-lived and long-lived asset impairments, goodwill impairments, and adjustment in carrying value of equity securities for which the measurement alternative of cost less impairment plus or minus observable price changes is used. 3M reflected an immaterial charge related to impairment of certain indefinite-lived assets and a net charge of $22 million related to adjustment to the carrying value of equity securities using the measurement alternative during the first quarter of 2020. There were no material impairments of assets or adjustments to equity securities using the measurement alternative for the three months ended September 30, 2020 in addition to the three and nine months ended September 30, 2019.

Fair Value of Financial Instruments:

The Company’s financial instruments include cash and cash equivalents, marketable securities, held-to-maturity debt securities, accounts receivable, certain investments, accounts payable, borrowings, and derivative contracts. The fair values of cash equivalents, accounts receivable, held-to-maturity debt securities, accounts payable, and short-term borrowings and current portion of long-term debt approximated carrying values because of the short-term nature of these instruments. Available-for-sale marketable securities, in addition to certain derivative instruments, are recorded at fair values as indicated in the preceding disclosures. To estimate fair values (classified as level 2) for its long-term debt, the Company utilized third-party quotes, which are derived all or in part from model prices, external sources, market prices, or the third-party’s internal records. Information with respect to the carrying amounts and estimated fair values of these financial instruments follow:

	September 30, 2020				December 31, 2019
	Carrying		Fair		Carrying		Fair
(Millions)	Value		Value		Value		Value
Long-term debt, excluding current portion	$	18,429	$	20,794	$	17,518	$	18,475

The fair values reflected above consider the terms of the related debt absent the impacts of derivative/hedging activity. The carrying amount of long-term debt referenced above is impacted by certain fixed-to-floating interest rate swaps that are designated as fair value hedges and by the designation of certain fixed rate Eurobond securities issued by the Company as hedging instruments of the Company’s net investment in its European subsidiaries. A number of 3M’s fixed-rate bonds were trading at a premium at September 30, 2020 and December 31, 2019 due to lower interest rates compared to issuance levels.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2020

Commitments and Contingencies

Commitments and Contingencies

NOTE 14. Commitments and Contingencies

Legal Proceedings:

The Company and some of its subsidiaries are involved in numerous claims and lawsuits, principally in the United States, and regulatory proceedings worldwide. These claims, lawsuits and proceedings include, but are not limited to, products liability (involving products that the Company now or formerly manufactured and sold), intellectual property, commercial, antitrust, federal False Claims Act, securities, and state and federal environmental laws. Unless otherwise stated, the Company is vigorously defending all such litigation and proceedings. From time to time, the Company also receives subpoenas or requests for information from various government agencies. The Company generally responds to such subpoenas and requests in a cooperative, thorough and timely manner. These responses sometimes require time and effort and can result in considerable costs being incurred by the Company. Such subpoenas and requests can also lead to the assertion of claims or the commencement of administrative, civil or criminal legal proceedings against the Company and others, as well as to settlements. The outcomes of legal proceedings and regulatory matters are often difficult to predict. Any determination that the Company’s operations or activities are not, or were not, in compliance with applicable laws or regulations could result in the imposition of fines, civil or criminal penalties, and equitable remedies, including disgorgement, suspension or debarment or injunctive relief. Additional information about the Company’s process for disclosure and recording of liabilities and insurance receivables related to legal proceedings can be found in Note 16 “Commitments and Contingencies” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019.

The following sections first describe the significant legal proceedings in which the Company is involved, and then describe the liabilities and associated insurance receivables the Company has accrued relating to its significant legal proceedings.

Respirator Mask/Asbestos Litigation

As of September 30, 2020, the Company is a named defendant, with multiple co-defendants, in numerous lawsuits in various courts that purport to represent approximately 1,884 individual claimants, compared to approximately 1,727 individual claimants with actions pending on December 31, 2019.

The vast majority of the lawsuits and claims resolved by and currently pending against the Company allege use of some of the Company’s mask and respirator products and seek damages from the Company and other defendants for alleged personal injury from workplace exposures to asbestos, silica, coal mine dust or other occupational dusts found in products manufactured by other defendants or generally in the workplace. A minority of the lawsuits and claims resolved by and currently pending against the Company generally allege personal injury from occupational exposure to asbestos from products previously manufactured by the Company, which are often unspecified, as well as products manufactured by other defendants, or occasionally at Company premises.

The Company’s current volume of new and pending matters is substantially lower than it experienced at the peak of filings in 2003. The Company expects that filing of claims by unimpaired claimants in the future will continue to be at much lower levels than in the past. Accordingly, the number of claims alleging more serious injuries, including mesothelioma, other malignancies, and black lung disease, will represent a greater percentage of total claims than in the past. Over the past twenty plus years, the Company has prevailed in fourteen of the fifteen cases tried to a jury (including the lawsuits in 2018 described below). In 2018, 3M received a jury verdict in its favor in two lawsuits – one in California state court in February and the other in Massachusetts state court in December – both involving allegations that 3M respirators were defective and failed to protect the plaintiffs against asbestos fibers. In April 2018, a jury in state court in Kentucky found 3M’s 8710 respirators failed to protect two coal miners from coal mine dust and awarded compensatory damages and punitive damages. In August 2018, the trial court entered judgment and the Company appealed. During March and April 2019, the Company agreed in principle to settle a substantial majority of the coal mine dust lawsuits in Kentucky and West Virginia for $340 million, including the jury verdict in April 2018 in the Kentucky case mentioned above. That settlement was completed in 2019, and the appeal has been dismissed.

The Company has demonstrated in these past trial proceedings that its respiratory protection products are effective as claimed when used in the intended manner and in the intended circumstances. Consequently, the Company believes that claimants are unable to establish that their medical conditions, even if significant, are attributable to the Company’s respiratory protection products. Nonetheless, the Company’s litigation experience indicates that claims of persons alleging more serious injuries, including mesothelioma, other malignancies, and black lung disease, are costlier to resolve than the claims of unimpaired persons, and it

therefore believes the average cost of resolving pending and future claims on a per-claim basis will continue to be higher than it experienced in prior periods when the vast majority of claims were asserted by medically unimpaired claimants.

As previously reported, the State of West Virginia, through its Attorney General, filed a complaint in 2003 against the Company and two other manufacturers of respiratory protection products in the Circuit Court of Lincoln County, West Virginia, and amended its complaint in 2005. The amended complaint seeks substantial, but unspecified, compensatory damages primarily for reimbursement of the costs allegedly incurred by the State for worker’s compensation and healthcare benefits provided to all workers with occupational pneumoconiosis and unspecified punitive damages. In October 2019, the court granted the State’s motion to sever its unfair trade practices claim. In January 2020, the manufacturers filed a petition with the West Virginia Supreme Court, challenging the trial court’s rulings; that petition was heard in September 2020. No liability has been recorded for this matter because the Company believes that liability is not probable and estimable at this time. In addition, the Company is not able to estimate a possible loss or range of loss given the lack of any meaningful discovery responses by the State of West Virginia, the otherwise minimal activity in this case, and the assertions of claims against two other manufacturers where a defendant’s share of liability may turn on the law of joint and several liability and by the amount of fault, if any, a jury may allocate to each defendant if the case were ultimately tried.

Respirator Mask/Asbestos Liabilities and Insurance Receivables

The Company regularly conducts a comprehensive legal review of its respirator mask/asbestos liabilities. The Company reviews recent and historical claims data, including without limitation, (i) the number of pending claims filed against the Company, (ii) the nature and mix of those claims (i.e., the proportion of claims asserting usage of the Company’s mask or respirator products and alleging exposure to each of asbestos, silica, coal or other occupational dusts, and claims pleading use of asbestos-containing products allegedly manufactured by the Company), (iii) the costs to defend and resolve pending claims, and (iv) trends in filing rates and in costs to defend and resolve claims, (collectively, the “Claims Data”). As part of its comprehensive legal review, the Company regularly provides the Claims Data to a third party with expertise in determining the impact of Claims Data on future filing trends and costs. The third party assists the Company in estimating the costs to defend and resolve pending and future claims. The Company uses these estimates to develop its best estimate of probable liability.

Developments may occur that could affect the Company’s estimate of its liabilities. These developments include, but are not limited to, significant changes in (i) the key assumptions underlying the Company’s accrual, including, the number of future claims, the nature and mix of those claims, the average cost of defending and resolving claims, and in maintaining trial readiness (ii) trial and appellate outcomes, (iii) the law and procedure applicable to these claims, and (iv) the financial viability of other co-defendants and insurers.

As a result of its review of its respirator mask/asbestos liabilities, of pending and expected lawsuits and of the cost of resolving claims of persons who claim more serious injuries, including mesothelioma, other malignancies, and black lung disease, the Company increased its accruals in the first nine months of 2020 for respirator mask/asbestos liabilities by $23 million. In the first nine months of 2020, the Company made payments for legal defense costs and settlements of $45 million related to the respirator mask/asbestos litigation. During the first quarter of 2019, the Company recorded a pre-tax charge of $313 million in conjunction with an increase in the accrual as a result of the March and April 2019 settlements-in-principle of the coal mine dust lawsuits mentioned above and the Company’s assessment of other current and expected coal mine dust lawsuits (including the costs to resolve all current and expected coal mine dust lawsuits in Kentucky and West Virginia). As of September 30, 2020, the Company had an accrual for respirator mask/asbestos liabilities (excluding Aearo accruals) of $586 million. This accrual represents the Company’s best estimate of probable loss and reflects an estimation period for future claims that may be filed against the Company approaching the year 2050. The Company cannot estimate the amount or upper end of the range of amounts by which the liability may exceed the accrual the Company has established because of the (i) inherent difficulty in projecting the number of claims that have not yet been asserted or the time period in which future claims may be asserted, (ii) the complaints nearly always assert claims against multiple defendants where the damages alleged are typically not attributed to individual defendants so that a defendant’s share of liability may turn on the law of joint and several liability, which can vary by state, (iii) the multiple factors described above that the Company considers in estimating its liabilities, and (iv) the several possible developments described above that may occur that could affect the Company’s estimate of liabilities.

As of September 30, 2020, the Company’s receivable for insurance recoveries related to the respirator mask/asbestos litigation was $4 million. The Company continues to seek coverage under the policies of certain insolvent and other insurers. Once those claims for coverage are resolved, the Company will have collected substantially all of its remaining insurance coverage for respirator mask/asbestos claims.

Respirator Mask/Asbestos Litigation — Aearo Technologies

On April 1, 2008, a subsidiary of the Company acquired the stock of Aearo Holding Corp., the parent of Aearo Technologies (“Aearo”). Aearo manufactured and sold various products, including personal protection equipment, such as eye, ear, head, face, fall and certain respiratory protection products.

As of September 30, 2020, Aearo and/or other companies that previously owned and operated Aearo’s respirator business (American Optical Corporation, Warner-Lambert LLC, AO Corp. and Cabot Corporation (“Cabot”)) are named defendants, with multiple co-defendants, including the Company, in numerous lawsuits in various courts in which plaintiffs allege use of mask and respirator products and seek damages from Aearo and other defendants for alleged personal injury from workplace exposures to asbestos, silica-related, coal mine dust, or other occupational dusts found in products manufactured by other defendants or generally in the workplace.

As of September 30, 2020, the Company, through its Aearo subsidiary, had accruals of $20 million for product liabilities and defense costs related to current and future Aearo-related asbestos and silica-related claims. This accrual represents the Company’s best estimate of Aearo’s probable loss and reflects an estimation period for future claims that may be filed against Aearo approaching the year 2050. The accrual was reduced by $37 million during the second quarter of 2020 after paying Aearo’s share of certain settlements under the informal arrangement described below. The accrual reflects the Company’s assessment of pending and expected lawsuits, its review of its respirator mask/asbestos liabilities, and the cost of resolving claims of persons who claim more serious injuries. Responsibility for legal costs, as well as for settlements and judgments, is currently shared in an informal arrangement among Aearo, Cabot, American Optical Corporation and a subsidiary of Warner Lambert and their respective insurers (the “Payor Group”). Liability is allocated among the parties based on the number of years each company sold respiratory products under the “AO Safety” brand and/or owned the AO Safety Division of American Optical Corporation and the alleged years of exposure of the individual plaintiff.

Aearo’s share of the contingent liability is further limited by an agreement entered into between Aearo and Cabot on July 11, 1995. This agreement provides that, so long as Aearo pays to Cabot a quarterly fee of $100,000, Cabot will retain responsibility and liability for, and indemnify Aearo against, any product liability claims involving exposure to asbestos, silica, or silica products for respirators sold prior to July 11, 1995. Because of the difficulty in determining how long a particular respirator remains in the stream of commerce after being sold, Aearo and Cabot have applied the agreement to claims arising out of the alleged use of respirators involving exposure to asbestos, silica or silica products prior to January 1, 1997. With these arrangements in place, Aearo’s potential liability is limited to exposures alleged to have arisen from the use of respirators involving exposure to asbestos, silica, or silica products on or after January 1, 1997. To date, Aearo has elected to pay the quarterly fee. Aearo could potentially be exposed to additional claims for some part of the pre-July 11, 1995 period covered by its agreement with Cabot if Aearo elects to discontinue its participation in this arrangement, or if Cabot is no longer able to meet its obligations in these matters.

Developments may occur that could affect the estimate of Aearo’s liabilities. These developments include, but are not limited to: (i) significant changes in the number of future claims, (ii) significant changes in the average cost of resolving claims, (iii) significant changes in the legal costs of defending these claims, (iv) significant changes in the mix and nature of claims received, (v) trial and appellate outcomes, (vi) significant changes in the law and procedure applicable to these claims, (vii) significant changes in the liability allocation among the co-defendants, (viii) the financial viability of members of the Payor Group including exhaustion of available insurance coverage limits, and/or (ix) a determination that the interpretation of the contractual obligations on which Aearo has estimated its share of liability is inaccurate. The Company cannot determine the impact of these potential developments on its current estimate of Aearo’s share of liability for these existing and future claims. If any of the developments described above were to occur, the actual amount of these liabilities for existing and future claims could be significantly larger than the amount accrued.

Because of the inherent difficulty in projecting the number of claims that have not yet been asserted, the complexity of allocating responsibility for future claims among the Payor Group, and the several possible developments that may occur that could affect the estimate of Aearo’s liabilities, the Company cannot estimate the amount or range of amounts by which Aearo’s liability may exceed the accrual the Company has established.

Environmental Matters and Litigation

The Company’s operations are subject to environmental laws and regulations including those pertaining to air emissions, wastewater discharges, toxic substances, and the handling and disposal of solid and hazardous wastes enforceable by national, state, and local

authorities around the world, and private parties in the United States and abroad. These laws and regulations provide, under certain circumstances, a basis for the remediation of contamination, for capital investment in pollution control equipment, for restoration of or compensation for damages to natural resources, and for personal injury and property damage claims. The Company has incurred, and will continue to incur, costs and capital expenditures in complying with these laws and regulations, defending personal injury and property damage claims, and modifying its business operations in light of its environmental responsibilities. In its effort to satisfy its environmental responsibilities and comply with environmental laws and regulations, the Company has established, and periodically updates, policies relating to environmental standards of performance for its operations worldwide.

Under certain environmental laws, including the United States Comprehensive Environmental Response, Compensation and Liability Act of 1980 (CERCLA) and similar state laws, the Company may be jointly and severally liable, typically with other companies, for the costs of remediation of environmental contamination at current or former facilities and at off-site locations. The Company has identified numerous locations, most of which are in the United States, at which it may have some liability. Please refer to the section entitled “Environmental Liabilities and Insurance Receivables” that follows for information on the amount of the accrual for such liabilities.

Environmental Matters

As previously reported, the Company has been voluntarily cooperating with ongoing reviews by local, state, federal (primarily the U.S. Environmental Protection Agency (EPA)), and international agencies of possible environmental and health effects of various perfluorinated compounds, including perfluorooctanoate (PFOA), perfluorooctane sulfonate (PFOS), perfluorohexane sulfonate (PFHxS), or other per- and polyfluoroalkyl substances (collectively PFAS). As a result of its phase-out decision in May 2000, the Company no longer manufactures certain PFAS compounds including PFOA, PFOS, PFHxS, and their pre-cursor compounds. The Company ceased manufacturing and using the vast majority of these compounds within approximately two years of the phase-out announcement and ceased all manufacturing and the last significant use of this chemistry by the end of 2008. The Company continues to manufacture a variety of shorter chain length PFAS compounds, including, but not limited to, pre-cursor compounds to perfluorobutane sulfonate (PFBS). These compounds are used as input materials to a variety of products, including engineered fluorinated fluids, fluoropolymers and fluorelastomers, as well as surfactants, additives, and coatings. Through its ongoing life cycle management and its raw material composition identification processes associated with the Company’s policies covering the use of all persistent and bio-accumulative materials, the Company continues to review, control or eliminate the presence of certain PFAS in purchased materials or as byproducts in some of 3M’s current fluorochemical manufacturing processes, products, and waste streams.

Regulatory activities concerning PFAS continue in the United States, Europe and elsewhere, and before certain international bodies. These activities include gathering of exposure and use information, risk assessment, and consideration of regulatory approaches. As the database of studies of both PFOA and PFOS has expanded, the EPA has developed human health effects documents summarizing the available data from these studies. In February 2014, the EPA initiated external peer review of its draft human health effects documents for PFOA and PFOS. The peer review panel met in August 2014. In May 2016, the EPA announced lifetime health advisory levels for PFOA and PFOS at 70 parts per trillion (ppt) (superseding the provisional levels established by the EPA in 2009 of 400 ppt for PFOA and 200 ppt for PFOS). Where PFOA and PFOS are found together, EPA recommends that the concentrations be added together, and the lifetime health advisory for PFOA and PFOS combined is also 70 ppt. Lifetime health advisories, which are non-enforceable and non-regulatory, provide information about concentrations of drinking water contaminants at which adverse health effects are not expected to occur over the specified exposure duration. To collect exposure information under the Safe Drinking Water Act, the EPA published on May 2, 2012 a list of unregulated substances, including six PFAS chemicals, required to be monitored during the period 2013-2015 by public water system suppliers to determine the extent of their occurrence. Through January 2017, the EPA reported results for 4,920 public water supplies nationwide. Based on the 2016 lifetime health advisory, 13 public water supplies exceed the level for PFOA and 46 exceed the level for PFOS (unchanged from the July 2016 EPA summary). A technical advisory issued by EPA in September 2016 on laboratory analysis of drinking water samples stated that 65 public water supplies had exceeded the combined level for PFOA and PFOS. These results are based on one or more samples collected during the period 2012-2015 and do not necessarily reflect current conditions of these public water supplies. EPA reporting does not identify the sources of the PFOA and PFOS in the public water supplies.

The Company is continuing to make progress in its work, under the supervision of state regulators, to remediate historic disposal of PFAS-containing waste associated with manufacturing operations at its Decatur, Alabama; Cottage Grove, Minnesota; and Cordova, Illinois plants. As previously reported, the Company entered into a voluntary remedial action agreement with the Alabama Department of Environmental Management (ADEM) to remediate the presence of PFAS in the soil and groundwater at the Company’s

manufacturing facility in Decatur, Alabama associated with the historic (1978-1998) incorporation of wastewater treatment plant sludge. With ADEM’s agreement, 3M substantially completed installation of a multilayer cap on the former sludge incorporation areas. Further remediation activities, including certain on-site and off-site investigations and studies, will be conducted in accordance with the July 2020 Interim Consent Order described below in the “Other PFAS-related Matters” section.

The Company continues to work with the Minnesota Pollution Control Agency (MPCA) pursuant to the terms of the previously disclosed May 2007 Settlement Agreement and Consent Order to address the presence of certain PFAS in the soil and groundwater at former disposal sites in Washington County, Minnesota (Oakdale and Woodbury) and at the Company’s manufacturing facility at Cottage Grove, Minnesota. Under this agreement, the Company’s principal obligations include (i) evaluating releases of certain PFAS from these sites and proposing response actions; (ii) providing treatment or alternative drinking water upon identifying any level exceeding a Health Based Value (HBV) or Health Risk Limit (HRL) (i.e., the amount of a chemical in drinking water determined by the Minnesota Department of Health (MDH) to be safe for human consumption over a lifetime) for certain PFAS for which a HBV and/or HRL exists as a result of contamination from these sites; (iii) remediating identified sources of other PFAS at these sites that are not controlled by actions to remediate PFOA and PFOS; and (iv) sharing information with the MPCA about certain perfluorinated compounds. During 2008, the MPCA issued formal decisions adopting remedial options for the former disposal sites in Washington County, Minnesota (Oakdale and Woodbury). In August 2009, the MPCA issued a formal decision adopting remedial options for the Company’s Cottage Grove manufacturing facility. During the spring and summer of 2010, 3M began implementing the agreed upon remedial options at the Cottage Grove and Woodbury sites. 3M commenced the remedial option at the Oakdale site in late 2010. At each location the remedial options were recommended by the Company and approved by the MPCA. Remediation work has been completed at the Oakdale and Woodbury sites, and they are in an operational maintenance mode. Remediation work has been substantially completed at the Cottage Grove site, with operational and maintenance activities ongoing.

In August 2014, the Illinois EPA approved a request by the Company to establish a groundwater management zone at its manufacturing facility in Cordova, Illinois, which includes ongoing pumping of impacted site groundwater, groundwater monitoring and routine reporting of results.

In May 2017, the MDH issued new HBVs for PFOA and PFOS. The new HBVs are 35 ppt for PFOA and 27 ppt for PFOS. In connection with its announcement the MDH stated that “Drinking water with PFOA and PFOS, even at the levels above the updated values, does not represent an immediate health risk. These values are designed to reduce long-term health risks across the population and are based on multiple safety factors to protect the most vulnerable citizens, which makes them overprotective for most of the residents in our state.” In December 2017, the MDH issued a new HBV for perfluorobutane sulfonate (PFBS) of 2 parts per billion (ppb). In February 2018, the MDH published reports finding no unusual rates of certain cancers or adverse birth outcomes (low birth rates or premature births) among residents of Washington and Dakota Counties in Minnesota. In April 2019, the MDH issued a new HBV for PFOS of 15 ppt and a new HBV for PFHxS of 47 ppt.

In May 2018, the EPA announced a four-step PFAS action plan, which includes evaluating the need to set Safe Drinking Water Act maximum contaminant levels (MCLs) for PFOA and PFOS and beginning the steps necessary to designate PFOA and PFOS as “hazardous substances” under CERCLA. In November 2018, the EPA asked for public comment on draft toxicity assessments for two PFAS compounds, including PFBS. In February 2019, the EPA issued a PFAS Action Plan that outlines short- and long-term actions the EPA is taking to address PFAS – actions that include developing a national drinking water determination for PFOA and PFOS, strengthening enforcement authorities and evaluating cleanup approaches, nationwide drinking water monitoring for PFAS, expanding scientific knowledge for understanding and managing risk from PFAS, and developing consistent risk communication tools for communicating with other agencies and the public. With respect to groundwater contaminated with PFOA and PFOS, the EPA issued interim recommendations in December 2019, providing guidance for screening levels and preliminary remediation goals for groundwater that is a current or potential drinking water source, to inform final clean-up levels of contaminated sites. In February 2020, the EPA provided notice and requested public comment on certain preliminary determinations to regulate PFOA and PFOS under the Safe Drinking Water Act (SDWA). In June 2020, 3M submitted comments on EPA’s preliminary determinations to regulate PFOA and PFOS under the SDWA.

EPA announced in its Spring 2020 Regulatory Agenda, released in June 2020, that it intended to publish a notice of proposed rulemaking to designate PFOA and PFOS as hazardous substances under CERCLA in August 2020. EPA has not published this notice of proposed rulemaking.

The U.S. Agency for Toxic Substances and Disease Registry (ATSDR) within the Department of Health and Human Services released a draft Toxicological Profile for PFAS for public review and comment in June 2018. In the draft report, ATSDR proposed draft minimal risk levels (MRLs) for PFOS, PFOA and several other PFAS. An MRL is an estimate of the daily human exposure to a hazardous substance that is likely to be without appreciable risk of adverse non-cancer health effects over a specified duration of exposure. MRLs are not intended to define cleanup or action levels for ATSDR or other agencies. In August 2018, 3M submitted comments on the ATSDR proposal, noting that there are major shortcomings with the current draft, especially with the MRLs, and that the ATSDR’s profile must reflect the best science and full weight of evidence known about these chemicals.

Several state legislatures and state agencies have been evaluating or have taken actions related to cleanup standards, groundwater values or drinking water values for PFOS, PFOA, and other PFAS, and 3M has submitted various responsive comments. In September 2019, 3M and several other parties filed a lawsuit in New Hampshire state court to enjoin PFAS regulations in New Hampshire. In November 2019, the court issued a preliminary injunction preventing the regulations from being enforced. In April 2020, the New Hampshire Supreme Court agreed to review several issues related to the preliminary injunctive order. In July 2020, the governor signed a bill passed by the New Hampshire legislature setting the same drinking water standards that had been enjoined by the court.

Vermont finalized drinking water standards for a combination of PFOA, PFOS and three other PFAS in March 2020. New Jersey finalized drinking water standards and designated PFOA and PFOS as hazardous substances in June 2020. New York established drinking water standards for PFOA and PFOS in July 2020. Michigan implemented final drinking water standards for certain PFAS, including PFOS and PFOA, in August 2020. Massachusetts published final regulations establishing a drinking water standard relating to six combined PFAS in October 2020. Some other states have also been evaluating or have taken actions relating to PFOA, PFOS and other PFAS in products such as food packaging, carpets and other products.

In October 2020, 3M and several other parties filed notices of appeal in the appellate division of the Superior Court of New Jersey to challenge the validity of the New Jersey PFOS and PFOA regulations.

The Company cannot predict what additional regulatory actions arising from the foregoing or other proceedings and activities, if any, may be taken regarding such compounds or the consequences of any such actions.

Litigation Related to Historical PFAS Manufacturing Operations in Alabama

As previously reported, a former employee filed a putative class action lawsuit against 3M, BFI Waste Management Systems of Alabama, and others in the Circuit Court of Morgan County, Alabama (the “St. John” case), seeking property damage from exposure to certain perfluorochemicals at or near the Company’s Decatur, Alabama, manufacturing facility. The parties have agreed to continue to stay the St. John case through December 2020, pending ongoing mediation between the parties involved in this case and another case discussed below. Two additional putative class actions filed in the same court by certain residents in the vicinity of the Decatur plant seeking relief on similar grounds (the Chandler case and the Stover case, respectively) are stayed pending the resolution of class certification issues in the St. John case.

In October 2015, West Morgan-East Lawrence Water & Sewer Authority (Water Authority) filed an individual complaint against 3M Company, Dyneon, L.L.C, and Daikin America, Inc., in the U.S. District Court for the Northern District of Alabama. The complaint also includes representative plaintiffs who brought the complaint on behalf of themselves, and a class of all owners and possessors of property who use water provided by the Water Authority and five local water works to which the Water Authority supplies water (collectively, the “Water Utilities”). The complaint seeks compensatory and punitive damages and injunctive relief based on allegations that the defendants’ chemicals, including PFOA and PFOS from their manufacturing processes in Decatur, have contaminated the water in the Tennessee River at the water intake, and that the chemicals cannot be removed by the water treatment processes utilized by the Water Authority. In April 2019, 3M and the Water Authority settled the lawsuit for $35 million, which will fund a new water filtration system, with 3M indemnifying the Water Authority from liability resulting from the resolution of the currently pending and future lawsuits against the Water Authority alleging liability or damages related to 3M PFAS. The putative class claims brought by the representative plaintiffs who were supplied drinking water by the Water Authority (the “Lindsey” case) remain. The parties are in active discussions regarding a negotiated resolution, and the case is currently stayed.

In June 2016, the Tennessee Riverkeeper, Inc. (Riverkeeper), a non-profit corporation, filed a lawsuit in the U.S. District Court for the Northern District of Alabama against 3M; BFI Waste Systems of Alabama; the City of Decatur, Alabama; and the Municipal Utilities Board of Decatur, Morgan County, Alabama. The complaint alleges that the defendants violated the Resource Conservation and

Recovery Act in connection with the disposal of certain PFAS through their ownership and operation of their respective sites. The complaint further alleges such practices may present an imminent and substantial endangerment to health and/or the environment and that Riverkeeper has suffered and will continue to suffer irreparable harm caused by defendants’ failure to abate the endangerment unless the court grants the requested relief, including declaratory and injunctive relief. This case has been stayed through December 2020, pending ongoing mediation between the parties in conjunction with the St. John case.

In August 2016, a group of over 200 plaintiffs filed a putative class action against West Morgan-East Lawrence Water and Sewer Authority (Water Authority), 3M, Dyneon, Daikin, BFI, and the City of Decatur in state court in Lawrence County, Alabama (the “Billings” case). Plaintiffs are residents of Lawrence, Morgan and other counties who are or have been customers of the Water Authority. They contend defendants have released PFAS that contaminate the Tennessee River and, in turn, their drinking water, causing damage to their health and properties. In January 2017, the court in the St. John case, discussed above, stayed this litigation pending resolution of the St. John case.

In January 2017, several hundred plaintiffs sued 3M, Dyneon and Daikin America in Lawrence and Morgan Counties, Alabama (the “Owens” case). The plaintiffs are owners of property, residents, and holders of property interests who receive their water from the West Morgan-East Lawrence Water and Sewer Authority (Water Authority). They assert common law claims for negligence, nuisance, trespass, wantonness and battery, and they seek injunctive relief and punitive damages. The plaintiffs contend that the defendants own and operate manufacturing and disposal facilities in Decatur that have released and continue to release PFOA, PFOS and related chemicals into the groundwater and surface water of their sites, resulting in discharges into the Tennessee River. The plaintiffs contend that, as a result of the alleged discharges, the water supplied by the Water Authority to the plaintiffs was, and is, contaminated with PFOA, PFOS and related chemicals at a level dangerous to humans. The court denied a motion by co-defendant Daikin to stay this case pending resolution of the St. John case, and the case is progressing through discovery.

In November 2017, a putative class action (the “King” case) was filed against 3M, Dyneon, Daikin America and the West Morgan-East Lawrence Water and Sewer Authority (Water Authority) in the U.S. District Court for the Northern District of Alabama. The plaintiffs are residents of Lawrence and Morgan County, Alabama who receive their water from the Water Authority and seek injunctive relief, attorneys’ fees, compensatory and punitive damages for their alleged personal injuries. The plaintiffs contend that the defendants own and operate manufacturing and disposal facilities in Decatur, Alabama that have released and continue to release PFOA, PFOS and related chemicals into the groundwater and surface water of their sites, resulting in discharges into the Tennessee River. The plaintiffs contend that, as a result of the alleged discharges, the water supplied by the Water Authority to the plaintiffs was, and is, contaminated with PFOA, PFOS and related chemicals at a level dangerous to humans. In November 2019, the King plaintiffs amended their complaint to withdraw all class allegations, dismiss the Water Authority as a defendant and add 24 new individual plaintiffs (for a total of 59 plaintiffs). Discovery in this case is proceeding.

In July 2019, 3M announced that it had initiated an investigation into the possible presence of PFAS in three closed municipal landfills in Decatur that accepted waste from 3M’s Decatur plant and other companies in the 1960s through the 1980s. 3M is working with local and state entities as it conducts its investigation and will report the results and recommended remedial action, if any, to those entities and the public. 3M is also defending or has received notice of potential lawsuits in state and federal court brought by individual property owners who claim damages related to historical PFAS disposal at former area landfills near their properties. 3M has resolved for an immaterial amount some of the claims brought by property owners.

In September 2020, the City of Guin Water Works and Sewer Board (Guin WWSB) brought a lawsuit against 3M in Alabama state court, alleging that PFAS contamination in the Guin water system stems from manufacturing operations at 3M’s Guin facility and disposal activity at a nearby landfill. In this same month, Guin WWSB dismissed its lawsuit without prejudice and is working with 3M to further investigate the presence of chemicals in the area.

Litigation Related to Historical PFAS Manufacturing Operations in Minnesota

In July 2016, the City of Lake Elmo filed a lawsuit in the U.S. District Court for the District of Minnesota against 3M alleging that the City suffered damages from drinking water supplies contaminated with PFAS, including costs to construct alternative sources of drinking water. In April 2019, 3M and the City of Lake Elmo agreed to settle the lawsuit for less than $5 million.

State Attorneys General Litigation related to PFAS

Minnesota. In December 2010, the State of Minnesota, by its Attorney General, filed a lawsuit in Hennepin County District Court against 3M seeking damages and injunctive relief with respect to the presence of PFAS in the groundwater, surface water, fish or other aquatic life, and sediments in the state of Minnesota (the “NRD Lawsuit”). In February 2018, 3M and the State of Minnesota reached a resolution of the NRD Lawsuit. Under the terms of the settlement, 3M agreed to provide an $850 million grant to the State for a special “3M Water Quality and Sustainability Fund.” This Fund, which is administered by the State, will enable projects that support water sustainability in the Twin Cities East Metro region, such as continued delivery of water to residents and enhancing groundwater recharge to support sustainable growth. Other purposes of the grant include habitat and recreation improvements, such as fishing piers, trails, and open space preservation. 3M recorded a pre-tax charge of $897 million, inclusive of legal fees and other related obligations, in the first quarter of 2018 associated with the resolution of this matter.

In connection with the above referenced settlement, the Minnesota Pollution Control Agency and the Department of Natural Resources, as co-trustees of the Fund, released in September 2020 a conceptual drinking water supply plan for the communities in the East Metro area, seeking public comment on three recommended options for utilizing the Fund.

New York. The State of New York, by its Attorney General, has filed four lawsuits (in June 2018, February 2019, July 2019, and November 2019) against 3M and other defendants seeking to recover the costs incurred in responding to PFAS contamination allegedly caused by Aqueous Film Forming Foam (AFFF) manufactured by 3M and others. Each of the four suits was filed in Albany County Supreme Court before being removed to federal court, and each has been transferred to the multi-district litigation (MDL) proceeding for AFFF cases, which is discussed further below. The state is seeking compensatory and punitive damages, and injunctive and equitable relief in the form of a monetary fund for the State’s reasonably expected future damages, and/or requiring defendants to perform investigative and remedial work.

Ohio. In December 2018, the State of Ohio, by its Attorney General, filed a lawsuit in the Common Pleas Court of Lucas County, Ohio against 3M, Tyco Fire Products LP, Chemguard, Inc., Buckeye Fire Equipment Co., National Foam, Inc., and Angus Fire Armour Corp., seeking injunctive relief and compensatory and punitive damages for remediation costs and alleged injury to Ohio natural resources from AFFF manufacturers. This case was removed to federal court and transferred to the MDL.

New Jersey. In March 2019, the New Jersey Attorney General filed two actions against 3M, DuPont, and Chemours on behalf of the New Jersey Department of Environmental Protection (NJDEP), the NJDEP’s commissioner, and the New Jersey Spill Compensation Fund regarding alleged discharges at two DuPont facilities in Pennsville, New Jersey (Salem County) and Parlin, New Jersey (Middlesex County). 3M is included as a defendant in both cases because it allegedly supplied PFOA to DuPont for use at the facilities at issue. Both cases expressly seek to have the defendants pay all costs necessary to investigate, remediate, assess, and restore the affected natural resources of New Jersey. DuPont removed these cases to federal court. In August 2019, the court stayed all proceedings in these actions pending a ruling on NJDEP’s motions to remand the cases to state court. In April 2020, the federal court denied the state’s motion to remand. In June 2020, the court entered a consent order lifting the stay and consolidating the two actions, along with two others brought by the NJDEP relating to the DuPont facilities, for case management and pretrial purposes. The case is in early stages of litigation.

In May 2019, the New Jersey Attorney General and NJDEP filed a lawsuit against 3M, DuPont, and six other companies, alleging natural resource damages from AFFF products and seeking damages, including punitive damages, and associated fees. This case was removed to federal court and transferred to the AFFF MDL.

New Hampshire. In May 2019, the New Hampshire Attorney General filed two lawsuits alleging contamination of the state’s drinking water supplies and other natural resources by PFAS chemicals. The first lawsuit was filed against 3M and seven co-defendants, alleging PFAS contamination resulting from the use of AFFF products at several sites around the state. This case was removed to federal court and transferred to the AFFF MDL. The second suit asserts PFAS contamination from non-AFFF sources and names 3M, DuPont, and Chemours as defendants. This suit remains in state court in early stages of litigation. In its June 2020 ruling on defendants’ motions to dismiss, the court dismissed the state’s trespass claim, but allowed several claims to proceed. In October 2020, the court allowed the state to file an amended complaint.

Vermont. In June 2019, the Vermont Attorney General filed two lawsuits alleging contamination of the state’s drinking water supplies and other natural resources by PFAS chemicals. The first lawsuit was filed against 3M and ten co-defendants, alleging PFAS

contamination resulting from the use of AFFF products at several sites around the state. This case was removed to federal court and transferred to the AFFF MDL. The second suit asserts PFAS contamination from non-AFFF sources and names 3M and several entities related to DuPont and Chemours as defendants. This suit is proceeding in state court. In May 2020, the court denied the defendants’ motion to dismiss, but dismissed the state’s trespass claim as to property the state does not own. The parties are now engaged in discovery.

Michigan. In May 2019, the Michigan Attorney General issued a request for proposal seeking outside legal expertise in pursuing claims against manufacturers, distributors, and other parties related to PFAS. In January 2020, the Michigan Attorney General filed a lawsuit in state court against 3M, Dyneon, DuPont, Chemours and others seeking injunctive and equitable relief and damages for alleged injury to Michigan public natural resources and its residents relating to PFAS. The defendants filed motions to dismiss, and 3M’s motion was denied in August 2020. In August 2020, the Michigan Attorney General filed two lawsuits against numerous AFFF manufacturers and distributors, and suppliers of PFAS to AFFF manufacturers. 3M is named a defendant in one of the lawsuits, filed in federal court, and the case has been transferred to the AFFF MDL, where it remains in early stages of litigation.

Guam. In September 2019, the Attorney General of Guam filed a lawsuit against 3M and other defendants relating to contamination of the territory’s drinking water supplies and other natural resources by PFAS, allegedly resulting from the use of AFFF products at several sites around the island. This lawsuit has been removed to federal court and transferred to the AFFF MDL.

Commonwealth of Northern Mariana Islands. In December 2019, the Attorney General of the Commonwealth of Northern Mariana Islands, a U.S. territory, filed a lawsuit against 3M and other defendants relating to contamination of the territory’s drinking water supplies and other natural resources by PFAS, allegedly resulting from the use of AFFF products. This lawsuit has been removed to federal court and transferred to the AFFF MDL.

In addition to the above state attorneys general actions, the Company is in discussions with several state attorneys general and agencies, responding to information and other requests relating to PFAS matters and exploring potential resolution of some of the matters raised.

Aqueous Film Forming Foam (AFFF) Environmental Litigation

3M manufactured and marketed AFFF for use in firefighting at airports and military bases from approximately 1963 to 2002. As of September 30, 2020, 784 lawsuits (including 26 putative class actions) have been filed against 3M (along with other defendants) in various state and federal courts where current or former airports, military bases, or fire training facilities are or were located. As previously noted, some of these cases have been brought by state or territory attorneys general. In most of these cases, plaintiffs typically allege that certain PFAS used in AFFF contaminated the soil and groundwater where AFFF was used and seek damages for alleged injuries such as loss of use and enjoyment of properties, diminished property values, investigation costs, remediation costs, personal injury and/or funds for medical monitoring. 278 cases filed since October 2019 have been brought by current or former firefighters who claim to have suffered personal injury as a result of exposure to AFFF while using the product. The United States, the U.S. Department of Defense and several companies have been sued along with 3M, including but not limited to Ansul Co. (acquired by Tyco, Inc.), Angus Fire, Buckeye Fire Protection Co., Chemguard, Chemours, DuPont, National Foam, Inc., and United Technologies Corp.

In December 2018, the U.S. Judicial Panel on Multidistrict Litigation (JPML) granted motions to transfer and consolidate all AFFF cases pending in federal courts to the U.S. District Court for the District of South Carolina to be managed in an MDL proceeding to centralize pre-trial proceedings. Additional AFFF cases continue to be transferred into the MDL as they are filed or removed to federal court. As of September 30, 2020, there were 783 cases in the MDL, 770 of which name 3M as a defendant. The parties in the MDL are currently in the process of conducting discovery.

In June 2019, several subsidiaries of Valero Energy Corporation, an independent petroleum refiner, filed eight AFFF cases against 3M and other defendants, including DuPont/Chemours, National Foam, Buckeye Fire Equipment, and Kidde-Fenwal, in various state courts. Plaintiffs seek damages that allegedly have been or will be incurred in investigating and remediating PFAS contamination at their properties and replacing or disposing of AFFF products containing long-chain PFAS. Two of these cases have been removed to federal court and transferred to the AFFF MDL. Five cases remain pending in state courts where they are in early stages of litigation, after Valero dismissed its Ohio state court action without prejudice in October 2019. The parties in the state court cases have agreed to stay all five cases through November 2020.

Two subsidiaries of Husky Energy filed suit in April 2020 against 3M and other AFFF manufacturers in Wisconsin state court relating to alleged PFAS contamination from AFFF use at Husky facilities in Superior, Wisconsin and Lima, Ohio. The parties have entered into a tolling agreement deferring further action on the plaintiffs’ claims. The plaintiffs filed a notice of dismissal without prejudice in September 2020.

As of September 30, 2020, the Company was named in nine other AFFF lawsuits filed by plaintiffs in state courts against the Company and other defendants, including three cases in which the Company was served (one in each of Arizona, California and Missouri).

Other PFAS-related Product and Environmental Litigation

3M manufactured and sold products containing various PFOA and PFOS, including Scotchgard, for several decades. Starting in 2017, 3M has been served with individual and putative class action complaints in various state and federal courts alleging, among other things, that 3M’s customers’ improper disposal of PFOA and PFOS resulted in the contamination of groundwater or surface water. The plaintiffs in these cases generally allege that 3M failed to warn its customers about the hazards of improper disposal of the product. They also generally allege that contaminated groundwater has caused various injuries, including personal injury, loss of use and enjoyment of their properties, diminished property values, investigation costs, and remediation costs. Several companies have been sued along with 3M, including Saint-Gobain Performance Plastics Corp., Honeywell International Inc. f/k/a Allied-Signal Inc. and/or AlliedSignal Laminate Systems, Inc., Wolverine World Wide Inc., Georgia-Pacific LLC, E.I. DuPont De Nemours and Co., Chemours Co., and various carpet manufacturers.

In New York, 3M is defending 41 individual cases and one putative class action filed in the U.S. District Court for the Northern District of New York and four additional cases filed in New York state court against 3M, Saint-Gobain Performance Plastics Corp. (Saint-Gobain), Honeywell International Inc. and E.I. DuPont De Nemours and Co. (DuPont). The plaintiffs allege that 3M manufactured and sold PFOA that was used for manufacturing purposes at Saint-Gobain’s and Honeywell’s facilities located in the Village of Hoosick Falls and the Town of Hoosick. The plaintiffs claim that the drinking water around Hoosick Falls became contaminated with unsafe levels of PFOA due to the activities of the defendants and allege that they suffered bodily injury due to the ingestion and inhalation of PFOA. The plaintiffs seek unstated compensatory, consequential, and punitive damages, as well as attorneys’ fees and costs. 3M has answered the complaints in these cases, which are now proceeding through discovery. The plaintiffs in the putative class action have moved for class certification. 3M is also defending eight additional cases in New York filed by Nassau County drinking water providers in the U.S. District Court for the Eastern District of New York. The plaintiffs in these cases allege that 3M, DuPont, and additional unnamed defendants are responsible for the contamination of plaintiffs’ water supply sources with various PFAS compounds. DuPont’s motion to transfer these cases to the AFFF MDL was denied in March 2020. These cases are in the preliminary stages of litigation.

In Michigan, one consolidated putative class action is pending in the U.S. District Court for the Western District of Michigan against 3M and Wolverine World Wide (Wolverine) and other defendants. The action arises from Wolverine’s allegedly improper disposal of materials and wastes, including 3M Scotchgard, related to Wolverine’s shoe manufacturing operations. Plaintiffs allege Wolverine used 3M Scotchgard in its manufacturing process and that chemicals from 3M’s product contaminated the environment and drinking water sources after disposal. In addition to the consolidated federal court putative class action, as of September 30, 2020, 3M has been named as a defendant in approximately 270 private individual actions in Michigan state court based on similar allegations. These cases are coordinated for pre-trial purposes. Four of these cases were selected for bellwether trials in 2020. In January 2020, the court issued the first round of dispositive motion rulings related to the first two bellwether cases, including dismissing the second bellwether case entirely and dismissing certain plaintiffs’ medical monitoring and risk of future disease claims, and granting summary judgment to the defendants on one plaintiff’s cholesterol injury claims. The parties settled the first bellwether case in early 2020. In June 2020, the court denied the plaintiffs’ motion to reconsider the dismissal of the second bellwether case, and the plaintiffs have appealed the decision to the state appellate court. The court has since allowed the addition of another bellwether case. The first of the three bellwether trials is scheduled to begin in March 2021. The parties have engaged in mediation discussions in both the putative class action and the state court mass action cases.

Wolverine also filed a third-party complaint against 3M in a suit by the State of Michigan and intervenor townships that seeks to compel Wolverine to investigate and address contamination associated with its historic disposal activity. 3M filed an answer and counterclaims to Wolverine’s third-party complaint in June 2019. In September and October 2019, the parties (including 3M as third-

party defendant) engaged in mediation. In December 2019, the State of Michigan, the intervening townships, and Wolverine announced that they had tentatively resolved the State and townships’ claims against Wolverine in exchange for a $70 million payment and certain future remediation measures by Wolverine. In February 2020, the court approved a Consent Decree that memorializes Wolverine’s ongoing remediation obligations and the State’s and intervening townships’ covenants not to bring further lawsuits as to the remediated area. 3M has been formally designated as a “Contributing Party,” and as such, the State’s and townships’ covenants will also apply to 3M. In February 2020, 3M and Wolverine executed an agreement to resolve the legal claims between the two companies. Pursuant to the agreement, 3M made a one-time financial contribution of $55 million in March 2020 to support Wolverine’s past and ongoing efforts to address PFAS remediation under Wolverine’s Consent Decree with the State and the townships. This amount was part of 3M’s charge taken in the fourth quarter of 2019 as discussed below in the “Environmental Liabilities and Insurance Receivables” section.

3M is also a defendant, together with Georgia-Pacific as co-defendant, in a putative class action in federal court in Michigan brought by residents of Parchment, who allege that the municipal drinking water is contaminated from waste generated by a paper mill owned by Georgia-Pacific’s corporate predecessor. The defendants have moved to dismiss certain claims in the complaint, and the parties have begun discovery on the remaining claims. As a result of discussions among Georgia-Pacific, 3M and municipalities near Parchment, Georgia-Pacific and 3M have agreed to contribute to a fund of approximately $5 million to provide expanded municipal water service in the area.

In Alabama and Georgia, 3M, together with multiple co-defendants, is defending four state court cases, including three brought by municipal water utilities, relating to 3M’s sale of PFAS-containing products to carpet manufacturers in Georgia. The plaintiffs in these cases allege that the carpet manufacturers improperly discharged PFAS into the surface water and groundwater, contaminating drinking water supplies of cities located downstream along the Coosa River, including Rome, Georgia and Centre and Gadsden, Alabama. The three water utility cases remain in the early stages of litigation. One state court case was brought by individuals asserting PFAS contamination by the Georgia carpet manufacturers and seeking economic damages and injunctive relief on behalf of a putative class of Rome and Floyd County water subscribers. This case has been removed to federal court where it remains in the early stages of litigation.

In California, 3M and other defendants are defending an action brought in federal court by Golden State Water Company, alleging PFAS contamination of certain wells located in its water systems. The case is in early stages of litigation.

In Delaware, 3M, together with several co-defendants, is defending one putative class action brought by individuals alleging PFAS contamination of their water supply resulting from the operations of local metal plating facilities. Plaintiffs allege that 3M supplied PFAS to the metal plating facilities. DuPont, Chemours, and the metal platers have also been named as defendants. This case has been removed from state court to federal court, and plaintiffs have withdrawn its motion to remand to state court and filed an amended complaint. 3M has filed a motion to dismiss the amended complaint.

In New Jersey, 3M is a co-defendant in an action brought in federal court by Middlesex Water Company, alleging PFAS contamination of its water wells. 3M’s motion to transfer the case to the AFFF MDL was denied. 3M has moved to dismiss the complaint, and the case is currently in discovery. In addition, 3M, together with several co-defendants, is defending a case brought in state court by multiple individuals with private drinking water wells near DuPont and Solvay facilities that were allegedly supplied with PFAS by 3M. Plaintiffs seek medical monitoring and damages. This case has been removed to federal court, and 3M has filed a motion to dismiss. 3M and other defendants are also defending two federal court cases brought by individuals who live near the DuPont and Solvay facilities, alleging personal injury caused by PFAS exposure. Those cases are in early stages of litigation. In September 2020, a federal court case was filed against 3M and other defendants on behalf of the Borough of Hopatcong, alleging general PFAS contamination of its public water supply.

In October 2018, 3M and other defendants, including DuPont and Chemours, were named in a putative class action in the U.S. District Court for the Southern District of Ohio brought by the named plaintiff, a firefighter allegedly exposed to PFAS chemicals through his use of firefighting foam, purporting to represent a putative class of all U.S. individuals with detectable levels of PFAS in their blood. The plaintiff brings claims for negligence, battery, and conspiracy and seeks injunctive relief, including an order “establishing an independent panel of scientists” to evaluate PFAS. 3M and other entities jointly filed a motion to dismiss in February 2019. In September 2019, the court denied the defendants’ motion to dismiss. In February 2020, the court denied 3M’s motion to transfer the case to the AFFF MDL.

In West Virginia, 3M and other defendants are defending a state court action brought by Weirton Area Water Board that alleges PFAS contamination of local water supplies. This case has been removed to federal court, where 3M has moved to dismiss the case, which remains in early stages of litigation.

Other PFAS-related Matters

In July 2019, the Company received a written request from the Subcommittee on Environment of the Committee on Oversight and Reform, U.S. House of Representatives, seeking certain documents and information relating to the Company’s manufacturing and distribution of PFAS products. In September 2019, a 3M representative testified before and responded to questions from the Subcommittee on Environment with respect to PFAS and the Company’s environmental stewardship initiatives. The Company continues to cooperate with the Subcommittee.

The Company operates under a 2009 consent order issued under the federal Toxic Substances Control Act (TSCA) (the “2009 TSCA consent order”) for the manufacture and use of two perfluorinated materials (FBSA and FBSEE) at its Decatur, Alabama site that does not permit release of these materials into “the waters of the United States.” In March 2019, the Company halted the manufacture, processing, and use of these materials at the site upon learning that these materials may have been released from certain specified processes at the Decatur site into the Tennessee River. In April 2019, the Company voluntarily disclosed the releases to the U.S. Environmental Protection Agency (EPA) and the Alabama Department of Environmental Management (ADEM). During June and July 2019, the Company took steps to fully control the aforementioned processes by capturing all wastewater produced by the processes and by treating all air emissions. These processes have been back on-line and in operation since July 2019. The Company continues to cooperate with the EPA and ADEM in their investigations and will work with the regulatory authorities to demonstrate compliance with the release restrictions.

The Company is authorized to discharge wastewater from its Decatur plant pursuant to the terms of a Clean Water Act National Pollutant Discharge Elimination System (NPDES) permit issued by ADEM. The NPDES permit requires the Company to report on a monthly and quarterly basis the quality and quantity of pollutants discharged to the Tennessee River. In June 2019, the Company voluntarily disclosed to the EPA and ADEM that it had included incorrect values in certain of its monthly and quarterly reports. The Company has submitted the corrected values to both the EPA and ADEM.

As part of ongoing work with the EPA and ADEM to address compliance matters at the Decatur facility, the Company discovered it had not fully characterized its PFAS discharge in its NPDES permit. In September 2019, the Company disclosed the matter to the EPA and ADEM and announced that it had elected to temporarily idle certain other manufacturing processes at 3M Decatur. The Company is reviewing its operations at the plant, has installed wastewater treatment controls and has restarted idled processes.

As a result of the Company’s discussions with ADEM to address these and other related matters in the state of Alabama, 3M and ADEM have agreed to the terms of an interim Consent Order in July 2020 to cover all PFAS-related wastewater discharges and air emissions from the Company’s Decatur facility. Under the interim Consent Order, the Company’s principal obligations include commitments related to (i) future ongoing site operations such as (a) providing certain notices or reports and performing various analytical and characterization studies and (b) future capital improvements; and (ii) remediation activities, including certain on-site and off-site investigations and studies. Obligations related to ongoing future site operations under the Consent Order will involve additional operating costs and capital expenditures over multiple years. The Company does not expect them to have a material impact on its consolidated results of operations or financial position. With respect to remediation activities, financial obligations related to certain activities under the Consent Order are probable and estimable, and are included in the Company’s accruals for “other environmental liabilities” as described in the “Environmental Liabilities and Insurance Receivables” section below. As offsite investigation activities continue, additional remediation amounts may become probable and estimable in the future.

In December 2019, the Company received a grand jury subpoena from the U.S. Attorney’s Office for the Northern District of Alabama for documents related to, among other matters, the Company’s compliance with the 2009 TSCA consent order and unpermitted discharges to the Tennessee River. The Company is cooperating with this inquiry and is producing documents in response to the subpoena.

In addition, as part of its ongoing evaluation of regulatory compliance at its Cordova, Illinois facility, the Company discovered it had not fully characterized its PFAS discharge in its NPDES permit for the Cordova facility. In November 2019, the Company disclosed

this matter to the EPA, and in January 2020 disclosed this matter to the Illinois Environmental Protection Agency (IEPA). The Company continues to work with the EPA and IEPA to address these issues from the Cordova facility.

The Company is also reviewing operations at its other plants with similar manufacturing processes, such as the plant in Cottage Grove, Minnesota, to ensure those operations are in compliance with applicable environmental regulatory requirements and Company policies and procedures. As a result of these reviews, the Company discovered it had not fully characterized its PFAS discharge in its NPDES permit for the Cottage Grove facility. In March 2020, the Company disclosed this matter to the Minnesota Pollution Control Agency (MPCA) and the EPA. In July 2020, the Company received an information request from MPCA for documents and information related to, among other matters, the Company’s compliance with the Clean Water Act at its Cottage Grove facility. The Company is cooperating with this inquiry and is producing documents and information in response to the request for information. The Company continues to work with the MPCA and EPA to address the discharges from the Cottage Grove facility.

Separately, in June 2020, the Company reported to EPA and MPCA that it had not fully complied with elements of the inspection, characterization and waste stream profile verification process of the Waste and Feedstream Analysis Plan (WAP/FAP) of its Resource Conservation and Recovery Act (RCRA) permit for its Cottage Grove incinerator. In July 2020, the Company received an information request from MPCA related to the June 2020 disclosure, to which the Company responded in September 2020. The Company continues to work with the MPCA to address WAP/FAP implementation issues disclosed in June 2020.

In February 2020, the Company received an information request from EPA for documents and information related to, among other matters, the Company’s compliance with the Clean Water Act at its facilities that manufacture, process and use PFAS, including the Decatur, Cordova and Cottage Grove facilities. The Company is cooperating with this inquiry and is producing documents and information in response to the request for information.

The Company will continue to work with relevant state and federal agencies as it conducts these reviews. The Company cannot predict at this time the outcomes of resolving these compliance matters or what potential actions may be taken by the regulatory agencies.

Other Environmental Litigation

In July 2018, the Company, along with more than 120 other companies, was served with a complaint seeking cost recovery and contribution towards the cleaning up of approximately eight miles of the Lower Passaic River in New Jersey. The plaintiff, Occidental Chemical Corporation, alleges that it agreed to design and pay the estimated $165 million cost to remove and cap sediment containing eight chemicals of concern, including PCBs and dioxins. The complaint seeks to spread those costs among the defendants, including the Company. The Company’s involvement in the case relates to its past use of two commercial drum conditioning facilities in New Jersey. Whether, and to what extent, the Company may be required to contribute to the costs at issue in the case remains to be determined.

For environmental matters and litigation described above, unless otherwise stated, no liability has been recorded as the Company believes liability in those matters is not probable and estimable and the Company is not able to estimate a possible loss or range of loss at this time. The Company’s environmental liabilities and insurance receivables are described below.

Environmental Liabilities and Insurance Receivables

The Company periodically examines whether the contingent liabilities related to the environmental matters and litigation described above are probable and estimable based on experience and developments in those matters. During the nine months ended September 30, 2020, the Company increased its accrual for PFAS-related other environmental liabilities by $41 million and made related payments of $111 million. During the first quarter of 2019, the EPA issued its PFAS Action Plan and the Company settled the litigation with the Water Authority (both matters are described in more detail above). The Company completed a comprehensive review with the assistance of environmental consultants and other experts regarding environmental matters and litigation related to historical PFAS manufacturing operations in Minnesota; Alabama; Gendorf Germany; and at four former landfills in Alabama. As a result of these developments and of that review, the Company increased its accrual for “other environmental liabilities” by $235 million pre-tax (including the settlement with the Water Authority) in the first quarter of 2019. During the fourth quarter of 2019, 3M updated its evaluation of certain customer-related litigation based on continued, productive settlement discussions with multiple parties. As previously disclosed, 3M has been engaged in mediation and resolution negotiations in multiple cases. In addition, during

the fourth quarter, the Company updated its assessment of environmental matters and litigation related to its historical PFAS manufacturing operations and expanded its evaluation of other 3M sites that may have used certain PFAS-containing materials and locations at which they were disposed. As a result of these actions during the fourth quarter the Company recorded a pre-tax charge of $214 million. As of September 30, 2020, the Company had recorded liabilities of $375 million for “other environmental liabilities.” The accruals represent the Company’s best estimate of the probable loss. The Company is not able to estimate a possible loss or range of loss in excess of the established accruals at this time.

As of September 30, 2020, the Company had recorded liabilities of $23 million for estimated non-PFAS related “environmental remediation” costs to clean up, treat, or remove hazardous substances at current or former 3M manufacturing or third-party sites. The Company evaluates available facts with respect to each individual site each quarter and records liabilities for remediation costs on an undiscounted basis when they are probable and reasonably estimable, generally no later than the completion of feasibility studies or the Company’s commitment to a plan of action. Liabilities for estimated costs of environmental remediation, depending on the site, are based primarily upon internal or third-party environmental studies, and estimates as to the number, participation level and financial viability of any other potentially responsible parties, the extent of the contamination and the nature of required remedial actions. The Company adjusts recorded liabilities as further information develops or circumstances change. The Company expects that it will pay the amounts recorded over the periods of remediation for the applicable sites, currently ranging up to 20 years.

It is difficult to estimate the cost of environmental compliance and remediation given the uncertainties regarding the interpretation and enforcement of applicable environmental laws and regulations, the extent of environmental contamination and the existence of alternative cleanup methods. Developments may occur that could affect the Company’s current assessment, including, but not limited to: (i) changes in the information available regarding the environmental impact of the Company’s operations and products; (ii) changes in environmental regulations, changes in permissible levels of specific compounds in drinking water sources, or changes in enforcement theories and policies, including efforts to recover natural resource damages; (iii) new and evolving analytical and remediation techniques; (iv) success in allocating liability to other potentially responsible parties; and (v) the financial viability of other potentially responsible parties and third-party indemnitors. For sites included in both “environmental remediation liabilities” and “other environmental liabilities,” at which remediation activity is largely complete and remaining activity relates primarily to operation and maintenance of the remedy, including required post-remediation monitoring, the Company believes the exposure to loss in excess of the amount accrued would not be material to the Company’s consolidated results of operations or financial condition. However, for locations at which remediation activity is largely ongoing, the Company cannot estimate a possible loss or range of loss in excess of the associated established accruals for the reasons described above.

The Company has both pre-1986 general and product liability occurrence coverage and post-1985 occurrence reported product liability and other environmental coverage for environmental matters and litigation. As of September 30, 2020, the Company’s receivable for insurance recoveries related to the environmental matters and litigation was $8 million. Various factors could affect the timing and amount of recovery of this and future expected increases in the receivable, including (i) delays in or avoidance of payment by insurers; (ii) the extent to which insurers may become insolvent in the future, (iii) the outcome of negotiations with insurers, and (iv) the scope of the insurers’ purported defenses and exclusions to avoid coverage.

Product Liability Litigation

As of September 30, 2020, the Company was a named defendant in 22 lawsuits in the United States involving 25 plaintiffs and one Canadian putative class action with a single named plaintiff, alleging that the Bair Hugger™ patient warming system caused a surgical site infection.

As previously disclosed, 3M had been a named defendant in lawsuits in federal courts involving over 5,000 plaintiffs. The plaintiffs claim they underwent various joint arthroplasty, cardiovascular, and other surgeries and later developed surgical site infections due to the use of the Bair Hugger™ patient warming system. The plaintiffs seek damages and other relief based on theories of strict liability, negligence, breach of express and implied warranties, failure to warn, design and manufacturing defect, fraudulent and/or negligent misrepresentation/concealment, unjust enrichment, and violations of various state consumer fraud, deceptive or unlawful trade practices and/or false advertising acts.

The U.S. Judicial Panel on Multidistrict Litigation (JPML) consolidated all cases pending in federal courts to the U.S. District Court for the District of Minnesota to be managed in a multi-district litigation (MDL) proceeding. In July 2019, the court excluded several of the plaintiffs’ causation experts, and granted summary judgment for 3M in all cases pending at that time in the MDL. Plaintiffs have

appealed that decision to the U.S. Court of Appeals for the Eighth Circuit. Plaintiffs have also appealed a 2018 jury verdict in favor of 3M in the first bellwether trial in the MDL and appealed the dismissal of another bellwether case.

Among the 22 remaining lawsuits in the United States, 19 are in the MDL court and three are in state court. The MDL court declined to remand one case to Oklahoma state court and has stayed all 19 remaining lawsuits pending the appeal of the summary judgment decision. In February 2020, the MDL court remanded two cases to state court in Jackson County, Missouri that combined Bair Hugger product liability claims with medical malpractice claims. There is also one case in Hidalgo County, Texas that combines Bair Hugger product liability claims with medical malpractice claims. In August 2019, the MDL court enjoined the individual plaintiff from pursuing his claims in Texas state court because he had previously filed and dismissed a claim in the MDL. That plaintiff has appealed the order to the U.S. Court of Appeals for the Eighth Circuit. The Texas state court has stayed the entire case while the appeal is pending.

As previously disclosed, 3M had been named a defendant in 61 cases in Minnesota state court. In January 2018, the Minnesota state court excluded plaintiffs’ experts and granted 3M’s motion for summary judgment on general causation. Plaintiffs appealed that ruling and the state court’s punitive damages ruling. The Minnesota Court of Appeals affirmed the Minnesota state court orders in their entirety and the Minnesota Supreme Court denied plaintiffs’ petition for review. Final dismissal was entered in April 2019, effectively ending the Minnesota state court cases.

In June 2016, the Company was served with a putative class action filed in the Ontario Superior Court of Justice for all Canadian residents who underwent various joint arthroplasty, cardiovascular, and other surgeries and later developed surgical site infections due to the use of the Bair Hugger™ patient warming system. The representative plaintiff seeks relief (including punitive damages) under Canadian law based on theories similar to those asserted in the MDL.

No liability has been recorded for the Bair Hugger™ litigation because the Company believes that any such liability is not probable and estimable at this time.

Aearo Technologies sold Dual-Ended Combat Arms – Version 2 earplugs starting in about 2003. 3M acquired Aearo Technologies in 2008 and sold these earplugs from 2008 through 2015, when the product was discontinued. In December 2018, a military veteran filed an individual lawsuit against 3M in the San Bernardino Superior Court in California alleging that he sustained personal injuries while serving in the military caused by 3M’s Dual-Ended Combat Arms earplugs – Version 2. The plaintiff asserts claims of product liability and fraudulent misrepresentation and concealment. The plaintiff seeks various damages, including medical and related expenses, loss of income, and punitive damages. As of September 30, 2020, the Company is a named defendant in approximately 3,000 lawsuits (including 14 putative class actions) in various state and federal courts that purport to represent approximately 12,000 individual claimants making similar allegations. In April 2019, the U.S. Judicial Panel on Multidistrict Litigation granted motions to transfer and consolidate all cases pending in federal courts to the U.S. District Court for the Northern District of Florida to be managed in a multi-district litigation (MDL) proceeding to centralize pre-trial proceedings. Discovery is underway. The plaintiffs and 3M filed preliminary summary judgment motions on the government contractor defense. In July 2020, based on the current record, the court granted the plaintiffs’ summary judgment motion and denied the defendants’ summary judgment motion, ruling that plaintiffs’ claims are not barred by the government contractor defense. The court denied the Company’s request to immediately certify the summary judgment ruling for appeal to the U.S. Court of Appeals for the Eleventh Circuit. The first bellwether case is scheduled for April 2021. No liability has been recorded for these matters because the Company believes that any such liability is not probable and estimable at this time.

For product liability litigation matters described in this section for which a liability has been recorded, the amount recorded is not material to the Company’s consolidated results of operations or financial condition. In addition, the Company is not able to estimate a possible loss or range of loss in excess of the established accruals at this time.

Securities Litigation

In July 2019, Heavy & General Laborers’ Locals 472 & 172 Welfare Fund filed a putative securities class action against 3M Company, its former Chairman and CEO, current Chairman and CEO, and current CFO in the U.S. District Court for the District of New Jersey. In August 2019, an individual plaintiff filed a similar putative securities class action in the same district. Plaintiffs allege that defendants made false and misleading statements regarding 3M's exposure to liability associated with PFAS, and bring claims for damages under Section 10(b) of the Securities Exchange Act of 1934 and SEC Rule 10b-5 against all defendants, and under Section

20(a) of the Securities and Exchange Act of 1934 against the individual defendants. In October 2019, the court consolidated the securities class actions and appointed a group of lead plaintiffs. In January 2020, the defendants filed a motion to transfer venue to the U.S. District Court for the District of Minnesota. In August 2020, the court denied the motion to transfer venue, and in September 2020, the defendants filed a petition for writ of mandamus to the U.S. Court of Appeals for the Third Circuit. The suit is in the early stages of litigation.

In October 2019, a follow-on derivative lawsuit was filed in the U.S. District Court for the District of New Jersey against 3M and several of its current and former executives and directors. In November and December 2019, two additional derivative lawsuits were filed in a Minnesota state court. The derivative lawsuits rely on similar factual allegations as the putative securities class action discussed above. The plaintiffs have agreed to stay these cases pending a ruling on a motion to dismiss the securities class action. In October 2020, the derivative action pending in the U.S. District Court for the District of New Jersey was dismissed, without prejudice, for failure to serve the complaint within the required time period.

In August 2020, an individual shareholder who had previously submitted a books and records demand filed an additional follow-on derivative lawsuit in the U.S. District Court for the District of New Jersey against 3M and several of its current and former executives and directors. This derivative lawsuit also relies on similar factual allegations as the putative securities class action discussed above.

Federal False Claims Act / Qui Tam Litigation

In October 2019, 3M acquired Acelity, Inc. and its KCI subsidiaries, including Kinetic Concepts, Inc. and KCI USA, Inc. As previously disclosed in the SEC filings by the KCI entities, in 2009, Kinetic Concepts, Inc. received a subpoena from the U.S. Department of Health and Human Services Office of Inspector General. In 2011, following the completion of the government’s review and its decision declining to intervene in two qui tam actions described further below, the qui tam relator-plaintiffs’ pleadings were unsealed.

The government inquiry followed two qui tam actions filed in 2008 by two former employees against Kinetic Concepts, Inc. and KCI USA, Inc. (collectively, the “KCI defendants”) under seal in the U.S. District Court for the Central District of California. The complaints contain allegations that the KCI Defendants violated the federal False Claims Act by submitting false or fraudulent claims to federal healthcare programs by billing for V.A.C.^® Therapy in a manner that was not consistent with the Local Coverage Determinations issued by the Durable Medical Equipment Medicare Administrative Contractors and seek monetary damages. One complaint (the “Godecke case”) also contains allegations that the KCI Defendants retaliated against the relator-plaintiff for alleged whistle-blowing behavior.

In October 2016, the KCI Defendants filed counterclaims in the Godecke case, asserting breach of contract and conversion. In August 2017, the relator-plaintiff’s fraud claim in the Godecke case was dismissed in favor of the KCI defendants. In January 2018, the district court stayed the retaliation claim and the KCI Defendants' counterclaims pending the relator-plaintiff’s appeal. In September 2019, the U.S. Court of Appeals for the Ninth Circuit reversed and remanded the case to the district court for further proceedings. The district court has ordered a stay of the proceedings pending a further status conference in November 2020. Separately, in June 2019, following discovery, the district court in the second case (the “Hartpence case”) entered summary judgment in the KCI Defendants’ favor on all of the relator-plaintiff’s claims. The plaintiff then filed an appeal in the U.S. Court of Appeals for the Ninth Circuit. Oral argument in the Hartpence case was held in July 2020. The appellate court’s opinion remains pending.

For the matters described in this section for which a liability has been recorded, the amount recorded is not material to the Company’s consolidated results of operations or financial condition.

Compliance Matter

The Company, through its internal processes, discovered certain travel activities and related funding and record keeping issues raising concerns, arising from marketing efforts by certain business groups based in China. The Company initiated an internal investigation to determine whether the expenditures may have violated the U.S. Foreign Corrupt Practices Act (FCPA) or other potentially applicable anti-corruption laws. The Company has retained outside counsel and a forensic accounting firm to assist with the investigation. In July 2019, the Company voluntarily disclosed this investigation to both the Department of Justice and Securities and Exchange Commission and is cooperating with both agencies. The Company cannot predict at this time the outcome of its investigation or what potential actions may be taken by the Department of Justice or Securities and Exchange Commission.

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Stock-Based Compensation

9 Months Ended

Sep. 30, 2020

Stock-Based Compensation

Stock-Based Compensation

NOTE 15. Stock-Based Compensation

The 3M 2016 Long-Term Incentive Plan provides for the issuance or delivery of up to 123,965,000 shares of 3M common stock pursuant to awards granted under the plan. Awards may be issued in the form of incentive stock options, nonqualified stock options, progressive stock options, stock appreciation rights, restricted stock, restricted stock units, other stock awards, and performance units and performance shares. As of September 30, 2020, the remaining shares available for grant under the LTIP Program are 16 million.

The Company’s annual stock option and restricted stock unit grant is made in February to provide a strong and immediate link between the performance of individuals during the preceding year and the size of their annual stock compensation grants. The grant to eligible employees uses the closing stock price on the grant date. Accounting rules require recognition of expense under a non-substantive vesting period approach, requiring compensation expense recognition when an employee is eligible to retire. Employees are considered eligible to retire at age 55 and after having completed ten years of service. This retiree-eligible population represents 35 percent of the annual grant stock-based compensation expense; therefore, higher stock-based compensation expense is recognized in the first quarter.

In addition to the annual grants, the Company makes other minor grants of stock options, restricted stock units and other stock-based grants. The Company issues cash settled restricted stock units and stock appreciation rights in certain countries. These grants do not result in the issuance of common stock and are considered immaterial by the Company.

Amounts recognized in the financial statements with respect to stock-based compensation programs, which include stock options, restricted stock, restricted stock units, performance shares and the General Employees’ Stock Purchase Plan (GESPP), are provided in the following table. Capitalized stock-based compensation amounts were not material for the three and nine months ended September 30, 2020 and 2019.

Stock-Based Compensation Expense

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Cost of sales	$	9	$	8	$	41	$	39
Selling, general and administrative expenses		30		33		138		151
Research, development and related expenses		5		7		37		40
Stock-based compensation expenses	$	44	$	48	$	216	$	230
Income tax benefits		(13)		(12)		(67)		(120)
Stock-based compensation expenses (benefits), net of tax	$	31	$	36	$	149	$	110

Stock Option Program

The following table summarizes stock option activity during the nine months ended September 30, 2020:

				Weighted
				Average
		Weighted		Remaining	Aggregate
	Number of	Average		Contractual	Intrinsic Value
(Options in thousands)	Options	Exercise Price		Life (months)	(millions)
Under option —
January 1	33,675	$	151.15
Granted:
Annual	4,741		157.26
Other	36		155.43
Exercised	(2,132)		91.51
Forfeited	(250)		179.87
September 30	36,070	$	155.28	65	$	643
Options exercisable
September 30	28,189	$	148.59	54	$	629

Stock options vest over a period from one year to three years with the expiration date at 10 years from date of grant. As of September 30, 2020, there was $71 million of compensation expense that has yet to be recognized related to non-vested stock option based awards. This expense is expected to be recognized over the remaining weighted-average vesting period of 21 months. The total intrinsic values of stock options exercised were $160 million and $368 million during the nine months ended September 30, 2020 and 2019, respectively. Cash received from options exercised was $193 million and $304 million for the nine months ended September 30, 2020 and 2019, respectively. The Company’s actual tax benefits realized for the tax deductions related to the exercise of employee stock options were $34 million and $77 million for the nine months ended September 30, 2020 and 2019, respectively.

For the primary 2020 annual stock option grant, the weighted average fair value at the date of grant was calculated using the Black-Scholes option-pricing model and the assumptions that follow.

Stock Option Assumptions

	Annual
	2020
Exercise price	$	157.24
Risk-free interest rate		1.5	%
Dividend yield		2.7	%
Expected volatility		19.7	%
Expected life (months)		78
Black-Scholes fair value	$	21.58

Expected volatility is a statistical measure of the amount by which a stock price is expected to fluctuate during a period. For the 2020 annual grant date, the Company estimated the expected volatility based upon the following three volatilities of 3M stock: the median of the term of the expected life rolling volatility; the median of the most recent term of the expected life volatility; and the implied volatility on the grant date. The expected term assumption is based on the weighted average of historical grants.

Restricted Stock and Restricted Stock Units

The following table summarizes restricted stock and restricted stock unit activity during the nine months ended September 30, 2020:

		Weighted
		Average
	Number of	Grant Date
(Shares in thousands)	Shares	Fair Value
Nonvested balance —
As of January 1	1,573	$	201.11
Granted
Annual	733		157.29
Other	41		158.91
Vested	(560)		176.21
Forfeited	(52)		198.48
As of September 30	1,735	$	189.72

As of September 30, 2020, there was $96 million of compensation expense that has yet to be recognized related to non-vested restricted stock and restricted stock units. This expense is expected to be recognized over the remaining weighted-average vesting period of 24 months. The total fair value of restricted stock and restricted stock units that vested during the nine months ended September 30, 2020 and 2019 was $89 million and $136 million, respectively. The Company’s actual tax benefits realized for the tax deductions related to the vesting of restricted stock and restricted stock units was $17 million and $26 million for the nine months ended September 30, 2020 and 2019, respectively.

Restricted stock units granted generally vest three years following the grant date assuming continued employment. Dividend equivalents equal to the dividends payable on the same number of shares of 3M common stock accrue on these restricted stock units during the vesting period, although no dividend equivalents are paid on any of these restricted stock units that are forfeited prior to the vesting date. Dividends are paid out in cash at the vest date on restricted stock units. Since the rights to dividends are forfeitable, there is no impact on basic earnings per share calculations. Weighted average restricted stock unit shares outstanding are included in the computation of diluted earnings per share.

Performance Shares

Instead of restricted stock units, the Company makes annual grants of performance shares to members of its executive management. The 2020 performance criteria for these performance shares (organic volume growth, return on invested capital, free cash flow conversion, and earnings per share growth) were selected because the Company believes that they are important drivers of long-term stockholder value. The number of shares of 3M common stock that could actually be delivered at the end of the three-year performance period may be anywhere from 0% to 200% of each performance share granted, depending on the performance of the Company during such performance period. When granted, these performance shares are awarded at 100% of the estimated number of shares at the end of the three-year performance period and are reflected under “Granted” in the table below. Non-substantive vesting requires that expense for the performance shares be recognized over one or three years depending on when each individual became a 3M executive. The performance share grants accrue dividends; therefore, the grant date fair value is equal to the closing stock price on the date of grant. Since the rights to dividends are forfeitable, there is no impact on basic earnings per share calculations. Weighted average performance shares whose performance period is complete are included in computation of diluted earnings per share.

The following table summarizes performance share activity during the nine months ended September 30, 2020:

		Weighted
		Average
	Number of	Grant Date
(Shares in thousands)	Shares	Fair Value
Undistributed balance —
As of January 1	444	$	205.58
Granted	203		153.16
Distributed	(206)		190.84
Performance change	25		166.49
Forfeited	(43)		172.92
As of September 30	423	$	188.61

As of September 30, 2020, there was $24 million of compensation expense that has yet to be recognized related to performance shares. This expense is expected to be recognized over the remaining weighted-average earnings period of 20 months. The total fair value of performance shares that were distributed were $35 million and $45 million for the nine months ended September 30, 2020 and 2019, respectively. The Company’s actual tax benefits realized for the tax deductions related to the distribution of performance shares were $7 million and $9 million for the nine months ended September 30, 2020 and 2019, respectively.

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Business Segments

9 Months Ended

Sep. 30, 2020

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 four business segments: Safety and Industrial; Transportation and Electronics; Health Care; and Consumer. 3M’s four 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 business segment operating income information shown.

Effective in the second quarter of 2020, the measure of segment operating performance used by 3M’s chief operating decision maker (CODM) changed and, as a result, 3M’s disclosed measure of segment profit/loss (business segment operating income) has been updated for all periods presented. The change to business segment operating income aligns with the update to how the CODM assesses performance and allocates resources for the Company’s business segments.

3M discloses business segment operating income as its measure of segment profit/loss, reconciled to both total 3M operating income and income before taxes. Business segment operating income includes dual credit for certain related operating income (as described below in “Elimination of Dual Credit”). Business segment operating income excludes certain expenses and income that are not allocated to business segments (as described below in “Corporate and Unallocated”). Additionally, the following special items are excluded from business segment operating income and, instead, are included within Corporate and Unallocated: significant litigation-related charges/benefits, gain/loss on sale of businesses (see Note 3), and divestiture-related restructuring actions (see Note 5).

In addition, effective in the first quarter of 2020, in a continuing effort to improve the alignment of its businesses around customers and markets, the Company made the following changes:

Continued alignment of customer account activity

● As part of 3M’s regular customer-focus initiatives, the Company realigned certain customer account activity (“sales district”) to correlate with the primary divisional product offerings in various countries and reduce complexity for customers when interacting with multiple 3M businesses. This largely impacted the amount of dual credit certain business segments receive as a result of sales district attribution. 3M business segment reporting measures include dual credit to business segments for certain sales and 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. As a result of this change, previously reported aggregate

business segment net sales and operating income for the total year 2019 decreased $42 million and $10 million, respectively, offset by corresponding decreases in the “Elimination of Dual Credit” net sales and operating income amounts.

Additional actions impacting product line alignments

● The remaining retail auto care product lines formerly in the Automotive Aftermarket Division (within the Safety and Industrial business segment), were realigned to the Construction and Home Improvement Division (within the Consumer business segment). This change resulted in a decrease of previously reported net sales and operating income for total year 2019 of $35 million and $11 million, respectively, in the Safety and Industrial business segment, offset by a corresponding increase in net sales and operating income within the Consumer business segment.

● In addition, certain product lines were realigned within business segments. The transdermal drug delivery components business, formerly included in the Drug Delivery Systems Division, was realigned to the Medical Solutions Division (both of which are within the Health Care business segment) and the paint protection film business, formerly included in the Automotive and Aerospace Division, was realigned to the Commercial Solutions Division (both of which are within the Transportation and Electronics business segment).

The financial information presented herein reflects the impact of the preceding changes for all periods presented.

Business Segment Information

	Three months ended				Nine months ended
	September 30,				September 30,
Net Sales (Millions)	2020		2019		2020		2019
Safety and Industrial	$	3,024	$	2,829	$	8,627	$	8,729
Transportation and Electronics		2,314		2,500		6,489		7,305
Health Care		2,160		1,721		6,088		5,290
Consumer		1,417		1,342		3,911		3,862
Corporate and Unallocated		—		28		(1)		98
Elimination of Dual Credit		(565)		(429)		(1,513)		(1,259)
Total Company	$	8,350	$	7,991	$	23,601	$	24,025
Operating Performance (Millions)
Safety and Industrial	$	823	$	647	$	2,185	$	1,931
Transportation and Electronics		552		637		1,416		1,747
Health Care		508		459		1,270		1,401
Consumer		358		313		914		821
Elimination of Dual Credit		(145)		(111)		(384)		(308)
Total business segment operating income	$	2,096	$	1,945	$	5,401	$	5,592
Corporate and Unallocated
Special items:
Significant litigation-related (charges)/benefits		—		—		(17)		(548)
Gain/(loss) on sale of businesses		—		106		389		114
Divestiture-related restructuring actions		—		—		(55)		—
Other corporate expense - net		(187)		(40)		(406)		(309)
Total Corporate and Unallocated		(187)		66		(89)		(743)
Total Company operating income	$	1,909	$	2,011	$	5,312	$	4,849
Other expense/(income), net	$	104	$	45	$	311	$	349
Income before income taxes	$	1,805	$	1,966	$	5,001	$	4,500

Corporate and Unallocated

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 and is disclosed as “other corporate expense-net”. Additionally, Corporate and Unallocated includes special items such as significant litigation-related charges/benefits, gain/loss on sale of businesses (see Note 3), and divestiture-related restructuring costs (see Note 5). Corporate and Unallocated also includes sales, costs, and income from contract manufacturing, transition services and other arrangements with the acquirer of the Communication Markets Division following its 2018 divestiture through 2019 and the acquirer of the former drug delivery business following its 2020 divestiture. Because this category includes a variety of miscellaneous items, it is subject to fluctuation on a quarterly and annual basis.

​
Elimination of Dual Credit

3M business segment reporting measures include dual credit to business segments for certain sales and related operating income. Management evaluates each of its four 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, privacy screen protection products are primarily sold by the Display Materials and Systems Division within the Transportation and Electronics business segment; however, certain sales districts within the Consumer business segment provide the customer account activity for sales of the product to particular customers. In this example, the non-primary selling segment (Consumer) 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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Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2020

Significant Accounting Policies

Basis of Presentation

Basis of Presentation

The interim consolidated financial statements are unaudited but, in the opinion of management, reflect all adjustments necessary for a fair statement of the Company’s consolidated financial position, results of operations and cash flows for the periods presented. These adjustments consist of normal, recurring items. The results of operations for any interim period are not necessarily indicative of results for the full year. The interim consolidated financial statements and notes are presented as permitted by the requirements for Quarterly Reports on Form 10-Q. This Quarterly Report on Form 10-Q should be read in conjunction with the Company’s consolidated financial statements and notes included in its Annual Report on Form 10-K.

As described in Note 16, effective in the second quarter of 2020, the measure of segment operating performance used by 3M’s chief operating decision maker changed and, as a result, the Company’s disclosed measure of segment profit/loss has been updated. Also, effective in the first quarter of 2020, the Company changed its business segment reporting in its continuing effort to improve the alignment of businesses around markets and customers. Additionally, the Company consolidated the way it presents geographic area net sales by providing an aggregate Americas geographic region (combining former United States and Latin America and Canada areas). Information provided herein reflects the impact of these changes for all periods presented.

Use of estimates

Use of estimates

The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. The Company considered the coronavirus (COVID-19) related impacts on its estimates, as appropriate, within its consolidated financial statements and there may be changes to those estimates in future periods. 3M believes that the accounting estimates are appropriate after giving consideration to the increased uncertainties surrounding the severity and duration of the COVID-19 pandemic. Such estimates and assumptions are subject to inherent uncertainties which may result in actual amounts differing from these estimates.

Changes to Significant Accounting Policies

Changes to Significant Accounting Policies

The following significant accounting policies have been added or changed as applicable since the Company’s 2019 Annual Report on Form 10-K as a result of adoption of new accounting pronouncements as described in the “New Accounting Pronouncements” section.

Accounts receivable and allowances: Trade accounts receivable are recorded at the invoiced amount and do not bear interest. The Company maintains allowances for bad debts, cash discounts, and various other items. The allowances for bad debts and cash discounts are based on the best estimate of the amount of expected credit losses in existing accounts receivable and anticipated cash discounts. The Company determines the allowances based on historical write-off experience by industry and regional economic data, current expectations of future credit losses, and historical cash discounts. The Company reviews the allowances monthly. The allowances for bad debts as well as the provision for credit losses, write-off activity and recoveries for the periods presented are not material. The Company does not have any significant off-balance-sheet credit exposure related to its customers. The Company has long-term customer receivables that do not have significant credit risk, and the origination dates of which are typically not older than five years. These long-term receivables are subject to an allowance methodology similar to other receivables.

Marketable securities: Marketable securities include available-for-sale debt securities and are recorded at fair value. Cost of securities sold use the first in, first out (FIFO) method. The classification of marketable securities as current or non-current is based on the availability for use in current operations. 3M reviews impairments associated with its marketable securities in accordance with the measurement guidance provided by ASC 320, Investments-Debt Securities and ASC 326-30, Available-for-Sale Debt Securities, when determining whether a decline in fair value below the amortized cost basis has resulted from a credit loss or other factors. An impairment relating to credit losses is recorded through an allowance for credit losses. The allowance is limited by the amount that the fair value is less than the amortized cost basis. A change in the allowance for credit losses is recorded into earnings in the period of the

change. Any impairment that has not been recorded through an allowance for credit losses is recorded through accumulated other comprehensive income as a component of shareholders’ equity. The factors considered in determining whether a credit loss exists can include the extent to which fair value is less than the amortized cost basis, changes in the credit quality of the underlying loan obligors, credit ratings actions, as well as other factors. When a credit loss exists, the Company compares the present value of cash flows expected to be collected from the debt security with the amortized cost basis of the security to determine what allowance amount, if any, should be recorded. Amounts are reclassified out of accumulated other comprehensive income and into earnings upon sale or a change in the portions of impairment related to credit losses and not related to credit losses.

Property, plant and equipment: 3M’s accounting policy with respect to property, plant and equipment, is disclosed in the Company’s notes to consolidated financial statements included in its most recent Annual Report on Form 10-K. In addition, 3M records capital-related government grants earned as reductions to the cost of property, plant and equipment; and associated unpaid liabilities and grant proceeds receivable are considered non-cash changes in such balances for purposes of preparation of statement of cash flows.

Foreign Currency Translation

Foreign Currency Translation

Local currencies generally are considered the functional currencies outside the United States with the exception of 3M’s subsidiaries in Argentina, the economy of which was considered highly inflationary beginning in 2018, and accordingly the financial statements of these subsidiaries are remeasured as if their functional currency is that of their parent. Assets and liabilities for operations in local-currency environments are translated at month-end exchange rates of the period reported. Income and expense items are translated at average monthly currency exchange rates in effect during the period. Cumulative translation adjustments are recorded as a component of accumulated other comprehensive income (loss) in shareholders’ equity.

3M had a consolidated subsidiary in Venezuela, the financial statements of which were remeasured as if its functional currency were that of its parent because Venezuela’s economic environment is considered highly inflationary. The operating income of this subsidiary was immaterial as a percent of 3M’s consolidated operating income for the periods presented. In light of circumstances, including the country’s unstable environment and heightened unrest leading to sustained lack of demand, and expectation that these circumstances will continue for the foreseeable future, during May 2019, 3M concluded it no longer met the criteria of control in order to continue consolidating its Venezuelan operations. As a result, as of May 31, 2019, the Company began reflecting its interest in the Venezuelan subsidiary as an equity investment that does not have a readily determinable fair value. This resulted in a pre-tax charge of $162 million within other expense (income) in the second quarter of 2019. The charge primarily relates to $144 million of foreign currency translation losses associated with foreign currency movements before Venezuela was accounted for as a highly inflationary economy and pension elements previously included in accumulated other comprehensive loss along with write-down of intercompany receivable and investment balances associated with this subsidiary. Beginning May 31, 2019, 3M’s consolidated balance sheets and statements of operations no longer include the Venezuelan entity’s operations other than an immaterial equity investment and associated loss or income thereon largely only to the extent, if any, that 3M provides support or materials and receives funding or dividends.

Earnings Per Share

Earnings Per Share

The difference in the weighted average 3M shares outstanding for calculating basic and diluted earnings per share attributable to 3M common shareholders is a result of the dilution associated with the Company’s stock-based compensation plans. Certain options outstanding under these stock-based compensation plans were not included in the computation of diluted earnings per share attributable to 3M common shareholders because they would have had an anti-dilutive effect (18.8 million average options for the three months ended September 30, 2020; 19.6 million average options for the nine months ended September 30, 2020; 11.9 million average options for the three months ended September 30, 2019; 8.0 million average options for the nine months ended September 30, 2019). The computations for basic and diluted earnings per share follow:

Earnings Per Share Computations

	Three months ended				Nine months ended
	September 30,				September 30,
(Amounts in millions, except per share amounts)	2020		2019		2020		2019
Numerator:
Net income attributable to 3M	$	1,413	$	1,583	$	3,995	$	3,601
Denominator:
Denominator for weighted average 3M common shares outstanding – basic		577.8		576.5		577.2		577.2
Dilution associated with the Company’s stock-based compensation plans		4.6		6.5		4.4		8.7
Denominator for weighted average 3M common shares outstanding – diluted		582.4		583.0		581.6		585.9
Earnings per share attributable to 3M common shareholders – basic	$	2.45	$	2.75	$	6.92	$	6.24
Earnings per share attributable to 3M common shareholders – diluted	$	2.43	$	2.72	$	6.87	$	6.15

New Accounting Pronouncements

New Accounting Pronouncements

See the Company’s 2019 Annual Report on Form 10-K for a more detailed discussion of the standards in the tables that follow, except for those pronouncements issued subsequent to the most recent Form 10-K filing date for which separate, more detailed discussion is provided below as applicable.

Standards Adopted During the Current Fiscal Year
Standard	Relevant Description	Effective Date for 3M	Impact and Other Matters
ASU No. 2016-13, Measurement of Credit Losses on Financial Instruments (in conjunction with ASU Nos. 2018-19, 2019-04, 2019-05, 2019-11, and 2020-03)	Introduces an approach, based on expected losses, to estimate credit losses on certain types of financial instruments and modifies the impairment model for available-for-sale debt securities. Amends the current other-than-temporary impairment model for available-for-sale debt securities. For such securities with unrealized losses, entities will still consider if a portion of any impairment is related only to credit losses and therefore recognized as a reduction in income.	January 1, 2020	Adopted using the modified retrospective approach. Adoption of this ASU did not have a material impact due to the nature and extent of 3M’s financial instruments in scope for this ASU (primarily accounts receivable) and the historical, current and expected credit quality of its customers as of the date of adoption. See Note 1 Significant Accounting Policies for updated applicable accounting policies.
ASU No. 2018-13, Changes to the Disclosure Requirements for Fair Value Measurement	Eliminates, amends, and adds disclosure requirements for fair value measurements, primarily related to Level 3 fair value measurements.	January 1, 2020	This ASU relates to disclosure only. The nature and extent of 3M’s financial instruments in scope for this ASU (primarily Level 3 fair value measurements) are immaterial to 3M’s consolidated results of operations and financial condition.
ASU No. 2018-15, Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract	Aligns the accounting for implementation costs incurred in a cloud computing arrangement that is a service arrangement (i.e. hosting arrangement) with the guidance on capitalizing costs in ASC 350-40, Internal-Use Software	January 1, 2020	Adopted on a prospective basis. Relevant capitalizable costs are included in prepaid expenses or other non-current asset, as applicable, prospectively beginning in 2020.

Standards Issued and Not Yet Adopted
Standard	Relevant Description	Effective Date for 3M	Impact and Other Matters
ASU No. 2019-12, Simplifying the Accounting for Income Taxes (Topic 740)	Eliminates certain existing exceptions related to the general approach in ASC 740 relating to franchise taxes, reducing complexity in the interim-period accounting for year-to-date loss limitations and changes in tax laws, and clarifying the accounting for transactions outside of business combination that result in a step-up in the tax basis of goodwill.	January 1, 2021	3M previously disclosed it does not expect this ASU to have a material impact on its consolidated results of operations and financial condition.
ASU No. 2020-01, Clarifying the Interactions between Topic 321, Investments—Equity Securities, Topic 323, Investments—Equity Method and Joint Ventures, and Topic 815, Derivatives and Hedging	Clarifies when accounting for certain equity securities, a Company should consider observable transactions before applying or upon discontinuing the equity method of accounting for the purposes of applying the measurement alternative. Indicates when determining the accounting for certain derivatives, a Company should not consider if the underlying securities would be accounted for under the equity method or fair value option.	January 1, 2021	3M previously disclosed it does not expect this ASU to have a material impact on its consolidated results of operations and financial condition, but will apply such guidance, where applicable, to future circumstances.

Relevant New Standards Issued Subsequent to Most Recent Annual Report

In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. This ASU provides temporary optional expedients and exceptions to existing guidance on contract modifications and hedge accounting to facilitate the market transition from existing reference rates, such as LIBOR which is being phased out in 2021, to alternate reference rates, such as SOFR. The standard was effective upon issuance and allowed application to contract changes as early as January 1, 2020. The provisions have impact as contract modifications and other changes occur while LIBOR is phased out. The Company is in the process of evaluating the optional relief guidance provided within this ASU and is also reviewing its debt securities, bank facilities, derivative instruments and commercial contracts that utilize LIBOR as the reference rate. 3M will continue its assessment and monitor regulatory developments during the LIBOR transition period.

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Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2020

Significant Accounting Policies

Earnings per share

	Three months ended				Nine months ended
	September 30,				September 30,
(Amounts in millions, except per share amounts)	2020		2019		2020		2019
Numerator:
Net income attributable to 3M	$	1,413	$	1,583	$	3,995	$	3,601
Denominator:
Denominator for weighted average 3M common shares outstanding – basic		577.8		576.5		577.2		577.2
Dilution associated with the Company’s stock-based compensation plans		4.6		6.5		4.4		8.7
Denominator for weighted average 3M common shares outstanding – diluted		582.4		583.0		581.6		585.9
Earnings per share attributable to 3M common shareholders – basic	$	2.45	$	2.75	$	6.92	$	6.24
Earnings per share attributable to 3M common shareholders – diluted	$	2.43	$	2.72	$	6.87	$	6.15

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Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Revenue

Schedule of disaggregated revenue recognized during the period

	Three months ended				Nine months ended
	September 30,				September 30,
Net Sales (Millions)	2020		2019		2020		2019
Abrasives	$	290	$	338	$	863	$	1,059
Automotive Aftermarket		309		307		796		917
Closure and Masking Systems		242		282		745		835
Electrical Markets		285		299		829		912
Industrial Adhesives and Tapes		647		684		1,873		2,041
Personal Safety		1,136		812		3,221		2,653
Roofing Granules		114		101		295		293
Other Safety and Industrial		1		6		5		19
Total Safety and Industrial Business Segment	$	3,024	$	2,829	$	8,627	$	8,729
Advanced Materials	$	246	$	319	$	770	$	961
Automotive and Aerospace		410		477		1,125		1,463
Commercial Solutions		390		443		1,147		1,382
Electronics		1,024		1,001		2,771		2,760
Transportation Safety		245		260		678		741
Other Transportation and Electronics		(1)		—		(2)		(2)
Total Transportation and Electronics Business Segment	$	2,314	$	2,500	$	6,489	$	7,305
Drug Delivery	$	—	$	93	$	146	$	277
Food Safety		82		86		252		254
Health Information Systems		280		296		833		853
Medical Solutions		1,251		745		3,472		2,319
Oral Care		320		312		741		991
Separation and Purification Sciences		221		191		639		602
Other Health Care		6		(2)		5		(6)
Total Health Care Business Group	$	2,160	$	1,721	$	6,088	$	5,290
Consumer Health Care	$	96	$	97	$	278	$	295
Home Care		268		243		796		747
Home Improvement		686		612		1,863		1,729
Stationery and Office		323		362		859		1,008
Other Consumer		44		28		115		83
Total Consumer Business Group	$	1,417	$	1,342	$	3,911	$	3,862
Corporate and Unallocated	$	—	$	28	$	(1)	$	98
Elimination of Dual Credit		(565)		(429)		(1,513)		(1,259)
Total Company	$	8,350	$	7,991	$	23,601	$	24,025

	Three months ended September 30, 2020
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	1,623	$	706	$	695	$	—	$	3,024
Transportation and Electronics		640		1,357		317		—		2,314
Health Care		1,335		377		448		—		2,160
Consumer		1,032		231		154		—		1,417
Corporate and Unallocated		(1)		—		—		1		—
Elimination of Dual Credit		(282)		(197)		(86)		—		(565)
Total Company	$	4,347	$	2,474	$	1,528	$	1	$	8,350

	Nine months ended September 30, 2020
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	4,509	$	2,080	$	2,038	$	—	$	8,627
Transportation and Electronics		1,847		3,709		933		—		6,489
Health Care		3,690		1,091		1,307		—		6,088
Consumer		2,801		699		411		—		3,911
Corporate and Unallocated		(1)		—		—		—		(1)
Elimination of Dual Credit		(724)		(550)		(239)		—		(1,513)
Total Company	$	12,122	$	7,029	$	4,450	$	—	$	23,601

	Three months ended September 30, 2019
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	1,497	$	706	$	626	$	—	$	2,829
Transportation and Electronics		749		1,388		362		1		2,500
Health Care		973		360		388		—		1,721
Consumer		975		228		140		(1)		1,342
Corporate and Unallocated		27		1		1		(1)		28
Elimination of Dual Credit		(185)		(193)		(52)		1		(429)
Total Company	$	4,036	$	2,490	$	1,465	$	—	$	7,991

	Nine months ended September 30, 2019
Net Sales (Millions)	Americas		Asia Pacific		Europe, Middle East and Africa		Other Unallocated		Worldwide
Safety and Industrial	$	4,532	$	2,165	$	2,033	$	(1)	$	8,729
Transportation and Electronics		2,256		3,912		1,137		—		7,305
Health Care		2,916		1,121		1,253		—		5,290
Consumer		2,723		718		422		(1)		3,862
Corporate and Unallocated		97		1		1		(1)		98
Elimination of Dual Credit		(562)		(534)		(164)		1		(1,259)
Total Company	$	11,962	$	7,383	$	4,682	$	(2)	$	24,025

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Acquisitions and Divestitures (Tables)

9 Months Ended

Sep. 30, 2020

Acquisitions and Divestitures

Approximate amounts of major assets and liabilities associated with disposal groups classified as held-for-sale

	December 31,
(Millions)	2019
Inventory		70
Property, plant and equipment		150
Intangible assets		35

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets

Goodwill

(Millions)	Safety and Industrial		Transportation and Electronics		Health Care		Consumer		Total Company
Balance as of December 31, 2019	$	4,621	$	1,830	$	6,739	$	254	$	13,444
Acquisition activity		—		—		(34)		—		(34)
Divestiture activity		—		(10)		(19)		—		(29)
Translation and other		(7)		13		143		5		154
Balance as of September 30, 2020	$	4,614	$	1,833	$	6,829	$	259	$	13,535

Acquired Intangible Assets

	September 30,		December 31,
(Millions)	2020		2019
Customer related intangible assets	$	4,232	$	4,316
Patents		530		538
Other technology-based intangible assets		2,099		2,124
Definite-lived tradenames		1,175		1,158
Other amortizable intangible assets		121		125
Total gross carrying amount	$	8,157	$	8,261
Accumulated amortization — customer related		(1,337)		(1,180)
Accumulated amortization — patents		(502)		(499)
Accumulated amortization — other technology-based		(576)		(435)
Accumulated amortization — definite-lived tradenames		(367)		(316)
Accumulated amortization — other		(87)		(90)
Total accumulated amortization	$	(2,869)	$	(2,520)
Total finite-lived intangible assets — net	$	5,288	$	5,741
Non-amortizable intangible assets (primarily tradenames)		638		638
Total intangible assets — net	$	5,926	$	6,379

Schedule of amortization expense for acquired intangible assets

Amortization expense for the three and nine months ended September 30, 2020 and 2019 follows:

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Amortization expense	$	137	$	69	$	405	$	208

Schedule of expected amortization expense for acquired amortizable intangible assets

Expected amortization expense for acquired amortizable intangible assets recorded as of September 30, 2020:

	Remainder of												After
(Millions)	2020		2021		2022		2023		2024		2025		2025
Amortization expense	$	132	$	524	$	511	$	485	$	460	$	428	$	2,748

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Restructuring Actions (Tables)

9 Months Ended

Sep. 30, 2020

2019 Restructuring Actions

Schedule of restructuring charges by income statement line

(Millions)	Second Quarter 2019
Cost of sales	$	18
Selling, general and administrative expenses		89
Research, development and related expenses		5
Total operating income impact		112
Other expense (income), net		36
Total income before taxes impact	$	148

Components of restructuring by business segment

	Second Quarter 2019
(Millions)	Employee-Related		Asset-Related		Total
Safety and Industrial	$	11	$	—	$	11
Transportation and Electronics		8		—		8
Health Care		6		—		6
Consumer		5		—		5
Corporate and Unallocated		42		40		82
Total Operating Expense	$	72	$	40	$	112

Accrued restructuring action balances

(Millions)	Employee-Related
Accrued restructuring action balances as of December 31, 2019	$	140
Cash Payments		(25)
Adjustments		(55)
Accrued restructuring action balances as of September 30, 2020	$	60

Drug delivery business | 2020 Restructuring Actions

Schedule of restructuring charges by income statement line

(Millions)	Second Quarter 2020
Cost of sales	$	42
Selling, general and administrative expenses		12
Research, development and related expenses		1
Total operating income impact	$	55

Accrued restructuring action balances

(Millions)	Employee-Related		Asset-Related and Other		Total
Expense incurred in the second quarter of 2020	$	32	$	23	$	55
Non-cash changes		—		(14)		(14)
Cash payments		(7)		—		(7)
Accrued divestiture-related restructuring action balances as of September 30, 2020	$	25	$	9	$	34

COVID-19 Pandemic | 2020 Restructuring Actions

Schedule of restructuring charges by income statement line

(Millions)	Second Quarter 2020
Cost of sales	$	13
Selling, general and administrative expenses		37
Research, development and related expenses		8
Total operating income impact	$	58

Components of restructuring by business segment

	Second Quarter 2020
(Millions)	Employee-Related		Asset-Related		Total
Safety and Industrial	$	7	$	—	$	7
Transportation and Electronics		11		—		11
Health Care		12		—		12
Consumer		5		—		5
Corporate and Unallocated		—		23		23
Total Operating Expense	$	35	$	23	$	58

Accrued restructuring action balances

(Millions)	Employee-Related		Asset-Related		Total
Expense incurred in the second quarter of 2020	$	35	$	23	$	58
Non-cash changes		—		(23)		(23)
Adjustments		(9)		—		(9)
Accrued restructuring action balances as of September 30, 2020	$	26	$	—	$	26

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Supplemental Income Statement Information (Tables)

9 Months Ended

Sep. 30, 2020

Supplemental Income Statement Information

Schedule of other expense (income)

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Interest expense	$	128	$	109	$	388	$	324
Interest income		(5)		(26)		(24)		(64)
Pension and postretirement net periodic benefit cost (benefit)		(19)		(38)		(53)		(73)
Loss on deconsolidation of Venezuelan subsidiary		—		—		—		162
Total	$	104	$	45	$	311	$	349

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Supplemental Equity and Comprehensive Income Information (Tables)

9 Months Ended

Sep. 30, 2020

Supplemental Equity and Comprehensive Income Information

Consolidated Statement of Changes in Equity

Three months ended September 30, 2020

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at June 30, 2020	$	10,915	$	6,083	$	42,759	$	(29,699)	$	(8,286)	$	58
Net income		1,417				1,413						4
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		271								270		1
Defined benefit pension and post-retirement plans adjustment		127								127		—
Cash flow hedging instruments		(71)								(71)		—
Total other comprehensive income (loss), net of tax		327
Dividends declared		(847)				(847)
Stock-based compensation		42		42
Reacquired stock		(1)						(1)
Issuances pursuant to stock option and benefit plans		90				(40)		130
Balance at September 30, 2020	$	11,943	$	6,125	$	43,285	$	(29,570)	$	(7,960)	$	63

Nine months ended September 30, 2020

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at December 31, 2019	$	10,126	$	5,916	$	42,135	$	(29,849)	$	(8,139)	$	63
Net income		3,998				3,995						3
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(67)								(65)		(2)
Defined benefit pension and post-retirement plans adjustment		304								304		—
Cash flow hedging instruments		(60)								(60)		—
Total other comprehensive income (loss), net of tax		177
Dividends declared		(2,540)				(2,540)
Purchase of subsidiary shares		(1)										(1)
Stock-based compensation		209		209
Reacquired stock		(357)						(357)
Issuances pursuant to stock option and benefit plans		331				(305)		636
Balance at September 30, 2020	$	11,943	$	6,125	$	43,285	$	(29,570)	$	(7,960)	$	63

Three months ended September 30, 2019

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at June 30, 2019	$	10,142	$	5,821	$	41,362	$	(29,828)	$	(7,272)	$	59
Net income		1,588				1,583						5
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(202)								(200)		(2)
Defined benefit pension and post-retirement plans adjustment		76								76		—
Cash flow hedging instruments		8								8		—
Total other comprehensive income (loss), net of tax		(118)
Dividends declared		(828)				(828)
Stock-based compensation		49		49
Reacquired stock		(141)						(141)
Issuances pursuant to stock option and benefit plans		72				(32)		104
Balance at September 30, 2019	$	10,764	$	5,870	$	42,085	$	(29,865)	$	(7,388)	$	62

Nine months ended September 30, 2019

			3M Company Shareholders
			Common						Accumulated
			Stock and						Other
			Additional						Comprehensive		Non-
			Paid-in		Retained		Treasury		Income		controlling
(Millions)	Total		Capital		Earnings		Stock		(Loss)		Interest
Balance at December 31, 2018	$	9,848	$	5,652	$	40,636	$	(29,626)	$	(6,866)	$	52
Impact of adoption of ASU No. 2018-02*		—				853				(853)
Impact of adoption of ASU No. 2016-02*		14				14
Net income		3,612				3,601						11
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(2)								(1)		(1)
Defined benefit pension and post-retirement plans adjustment		356								356		—
Cash flow hedging instruments		(24)								(24)		—
Total other comprehensive income (loss), net of tax		330
Dividends declared		(2,488)				(2,488)
Stock-based compensation		218		218
Reacquired stock		(1,211)						(1,211)
Issuances pursuant to stock option and benefit plans		441				(531)		972
Balance at September 30, 2019	$	10,764	$	5,870	$	42,085	$	(29,865)	$	(7,388)	$	62

*See Note 1 in 3M’s 2019 Annual Report on Form 10-K.

Changes in Accumulated Other Comprehensive Income (Loss) Attributable to 3M

Three months ended September 30, 2020

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at June 30, 2020, net of tax:	$	(2,234)	$	(6,032)	$	(20)	$	(8,286)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		237		—		(72)		165
Amounts reclassified out		—		163		(21)		142
Total other comprehensive income (loss), before tax		237		163		(93)		307
Tax effect		33		(36)		22		19
Total other comprehensive income (loss), net of tax		270		127		(71)		326
Balance at September 30, 2020, net of tax:	$	(1,964)	$	(5,905)	$	(91)	$	(7,960)

Nine months ended September 30, 2020

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at December 31, 2019, net of tax:	$	(1,899)	$	(6,209)	$	(31)	$	(8,139)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(98)		(80)		(10)		(188)
Amounts reclassified out		—		489		(68)		421
Total other comprehensive income (loss), before tax		(98)		409		(78)		233
Tax effect		33		(105)		18		(54)
Total other comprehensive income (loss), net of tax		(65)		304		(60)		179
Balance at September 30, 2020, net of tax:	$	(1,964)	$	(5,905)	$	(91)	$	(7,960)

Three months ended September 30, 2019

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at June 30, 2019, net of tax:	$	(1,912)	$	(5,369)	$	9	$	(7,272)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(149)		—		31		(118)
Amounts reclassified out		—		101		(21)		80
Total other comprehensive income (loss), before tax		(149)		101		10		(38)
Tax effect		(51)		(25)		(2)		(78)
Total other comprehensive income (loss), net of tax		(200)		76		8		(116)
Balance at September 30, 2019, net of tax:	$	(2,112)	$	(5,293)	$	17	$	(7,388)

Nine months ended September 30, 2019

							Total
			Defined Benefit		Cash Flow		Accumulated
			Pension and		Hedging		Other
	Cumulative		Postretirement		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		(Loss)
Balance at December 31, 2018, net of tax:	$	(2,098)	$	(4,832)	$	64	$	(6,866)
Impact of adoption of ASU No. 2018-02*		(13)		(817)		(23)		(853)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(86)		153		14		81
Amounts reclassified out		142		310		(48)		404
Total other comprehensive income (loss), before tax		56		463		(34)		485
Tax effect		(57)		(107)		10		(154)
Total other comprehensive income (loss), net of tax		(1)		356		(24)		331
Balance at September 30, 2019, net of tax	$	(2,112)	$	(5,293)	$	17	$	(7,388)

*See Note 1 in 3M’s 2019 Annual Report on Form 10-K.

Reclassifications Out of Accumulated Other Comprehensive Income

	Amount Reclassified from
Details about Accumulated Other	Accumulated Other Comprehensive Income
Comprehensive Income Components	Three months ended September 30,				Nine months ended September 30,				Location on Income
(Millions)	2020		2019		2020		2019		Statement
Cumulative translation adjustment
Deconsolidation of Venezuelan subsidiary	$	—	$	—	$	—	$	(142)	Other income (expense), net
Total before tax		—		—		—		(142)
Tax effect		—		—		—		—	Provision for income taxes
Net of tax	$	—	$	—	$	—	$	(142)
Defined benefit pension and postretirement plans adjustments
Gains (losses) associated with defined benefit pension and postretirement plans amortization
Transition asset	$	(1)	$	—	$	(2)	$	—	See Note 11
Prior service benefit		15		18		46		50	See Note 11
Net actuarial loss		(176)		(119)		(530)		(358)	See Note 11
Curtailments/Settlements		(1)		—		(3)		—	See Note 11
Deconsolidation of Venezuelan subsidiary		—		—		—		(2)	Other income (expense), net
Total before tax		(163)		(101)		(489)		(310)
Tax effect		36		25		118		70	Provision for income taxes
Net of tax	$	(127)	$	(76)	$	(371)	$	(240)
Cash flow hedging instruments gains (losses)
Foreign currency forward/option contracts	$	23	$	22	$	74	$	50	Cost of sales
Interest rate contracts		(2)		(1)		(6)		(2)	Interest expense
Total before tax		21		21		68		48
Tax effect		(5)		(4)		(16)		(9)	Provision for income taxes
Net of tax	$	16	$	17	$	52	$	39
Total reclassifications for the period, net of tax	$	(111)	$	(59)	$	(319)	$	(343)

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Marketable Securities and Held-to-Maturity Debt Securities (Tables)

9 Months Ended

Sep. 30, 2020

Marketable Securities and Held-to-Maturity Debt Securities

Schedule of marketable securities

(Millions)	September 30, 2020		December 31, 2019
Corporate debt securities	$	7	$	—
Commercial paper		233		85
Certificates of deposit/time deposits		47		10
U.S. treasury securities		150		—
U.S. municipal securities		3		3
Current marketable securities	$	440	$	98
U.S. municipal securities	$	34	$	43
Non-current marketable securities	$	34	$	43
Total marketable securities	$	474	$	141

Marketable securities by contractual maturity

(Millions)	September 30, 2020
Due in one year or less	$	440
Due after one year through five years		14
Due after five years through ten years		20
Total marketable securities	$	474

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Long-Term Debt and Short-Term Borrowings (Tables)

9 Months Ended

Sep. 30, 2020

Long-Term Debt and Short-Term Borrowings

Schedule of Maturities of Long-Term Debt

Remainder of												After
2020		2021		2022		2023		2024		2025		2025		Total
$	149	$	1,710	$	1,629	$	1,842	$	1,101	$	1,789	$	11,362	$	19,582

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Pension and Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2020

Pension and Postretirement Benefit Plans

Components of net periodic benefit cost (benefit)

	Three months ended September 30,
	Qualified and Non-qualified
	Pension Benefits								Postretirement
	United States				International				Benefits
(Millions)	2020		2019		2020		2019		2020		2019
Net periodic benefit cost (benefit)
Operating expense
Service cost	$	66	$	63	$	39	$	32	$	11	$	10
Non-operating expense
Interest cost	$	124	$	155	$	31	$	40	$	16	$	20
Expected return on plan assets		(255)		(260)		(77)		(75)		(20)		(20)
Amortization of transition asset		—		—		1		—		—		—
Amortization of prior service benefit		(6)		(6)		(1)		(3)		(8)		(9)
Amortization of net actuarial loss		134		91		30		20		12		8
Settlements, curtailments, special termination benefits and other		—		—		—		—		1		—
Total non-operating expense (benefit)		(3)		(20)		(16)		(18)		1		(1)
Total net periodic benefit cost (benefit)	$	63	$	43	$	23	$	14	$	12	$	9

	Nine months ended September 30,
	Qualified and Non-qualified
	Pension Benefits								Postretirement
	United States				International				Benefits
(Millions)	2020		2019		2020		2019		2020		2019
Net periodic benefit cost (benefit)
Operating expense
Service cost	$	197	$	188	$	115	$	98	$	33	$	32
Non-operating expense
Interest cost	$	374	$	466	$	95	$	118	$	48	$	62
Expected return on plan assets		(765)		(780)		(231)		(225)		(60)		(61)
Amortization of transition asset		—		—		2		—		—		—
Amortization of prior service benefit		(18)		(18)		(4)		(9)		(24)		(23)
Amortization of net actuarial loss		402		274		92		59		36		25
Settlements, curtailments, special termination benefits and other		—		35		—		1		3		—
Total non-operating expense (benefit)		(7)		(23)		(46)		(56)		3		3
Total net periodic benefit cost (benefit)	$	190	$	165	$	69	$	42	$	36	$	35

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Derivatives (Tables)

9 Months Ended

Sep. 30, 2020

Derivatives

Gain (loss) on derivative instruments designated as cash flow hedges

	Pretax Gain (Loss)
	Recognized in Other		Pretax Gain (Loss) Reclassified
	Comprehensive		from Accumulated Other
	Income on Derivative		Comprehensive Income into Income
Three months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	(72)	Cost of sales	$	23
Interest rate contracts		—	Interest expense		(2)
Total	$	(72)		$	21

Nine months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	(8)	Cost of sales	$	74
Interest rate contracts		(2)	Interest expense		(6)
Total	$	(10)		$	68

Three months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	105	Cost of sales	$	22
Interest rate contracts		(74)	Interest expense		(1)
Total	$	31		$	21

Nine months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency forward/option contracts	$	137	Cost of sales	$	50
Interest rate contracts		(123)	Interest expense		(2)
Total	$	14		$	48

Gain (loss) on derivative instruments designated as fair value hedges

The following amounts were recorded on the consolidated balance sheet related to cumulative basis adjustments for fair value hedges:

					Cumulative Amount of Fair Value Hedging
	Carrying Value of the				Adjustment Included in the Carrying Value
	Hedged Liabilities (in millions)				of the Hedged Liabilities (in millions)
Location on the Consolidated Balance Sheet	September 30, 2020		December 31, 2019		September 30, 2020		December 31, 2019
Short-term borrowings and current portion of long-term debt	$	205	$	499	$	5	$	—
Long-term debt		581		775		13		22
Total	$	786	$	1,274	$	18	$	22

Gain (loss) on derivative and non-derivative instruments designated as net investment hedges

	Pretax Gain (Loss)
	Recognized as
	Cumulative Translation		Amount of Gain (Loss) Excluded
	within Other		from Effectiveness Testing
	Comprehensive Income		Recognized in Income
Three months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	(154)	Cost of sales	$	—
Foreign currency forward contracts		(3)	Cost of sales		—
Total	$	(157)		$	—

Nine months ended September 30, 2020 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	(150)	Cost of sales	$	—
Foreign currency forward contracts		2	Cost of sales		5
Total	$	(148)		$	5

Three months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	177	Cost of sales	$	—
Foreign currency forward contracts		38	Cost of sales		6
Total	$	215		$	6

Nine months ended September 30, 2019 (Millions)	Amount		Location	Amount
Foreign currency denominated debt	$	205	Cost of sales	$	—
Foreign currency forward contracts		43	Cost of sales		18
Total	$	248		$	18

Gain (loss) on derivative instruments not designated as hedging instruments

	Three months ended September 30, 2020			Nine months ended September 30, 2020
	Gain (Loss) on Derivative Recognized in			Gain (Loss) on Derivative Recognized in
	Income			Income
(Millions)	Location	Amount		Location	Amount
Foreign currency forward/option contracts	Cost of sales	$	1	Cost of sales	$	3
Foreign currency forward contracts	Interest expense		29	Interest expense		2
Total		$	30		$	5

	Three months ended September 30, 2019			Nine months ended September 30, 2019
	Gain (Loss) on Derivative Recognized in			Gain (Loss) on Derivative Recognized in
	Income			Income
(Millions)	Location	Amount		Location	Amount
Foreign currency forward/option contracts	Cost of sales	$	6	Cost of sales	$	4
Foreign currency forward contracts	Interest expense		(8)	Interest expense		(26)
Total		$	(2)		$	(22)

Location in consolidated statement of income and pre-tax amounts recognized in income related to derivative instruments designated in cash flow or fair value hedging relationship

	Location and Amount of Gain (Loss) Recognized in Income				Location and Amount of Gain (Loss) Recognized in Income
	Three months ended September 30, 2020				Nine months ended September 30, 2020
(Millions)	Cost of sales		Other expense (income), net		Cost of sales		Other expense (income), net
Total amounts of income and expense line items presented in the consolidated statement of income in which the effects of cash flow or fair value hedges are recorded	$	4,303	$	104	$	12,217	$	311
The effects of cash flow and fair value hedging:
Gain or (loss) on cash flow hedging relationships:
Foreign currency forward/option contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	$	23	$	—	$	74	$	—
Interest rate contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income		—		(2)		—		(6)
Gain or (loss) on fair value hedging relationships:
Interest rate contracts:
Hedged items	$	—	$	3	$	—	$	3
Derivatives designated as hedging instruments		—		(3)		—		(3)

	Location and Amount of Gain (Loss) Recognized in Income				Location and Amount of Gain (Loss) Recognized in Income
	Three months ended September 30, 2019				Nine months ended September 30, 2019
(Millions)	Cost of sales		Other expense (income), net		Cost of sales		Other expense (income), net
Total amounts of income and expense line items presented in the consolidated statement of income in which the effects of cash flow or fair value hedges are recorded	$	4,188	$	45	$	12,811	$	349
The effects of cash flow and fair value hedging:
Gain or (loss) on cash flow hedging relationships:
Foreign currency forward/option contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	$	22	$	—	$	50	$	—
Interest rate contracts:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income		—		(1)		—		(2)
Gain or (loss) on fair value hedging relationships:
Interest rate contracts:
Hedged items	$	—	$	1	$	—	$	(11)
Derivatives designated as hedging instruments		—		(1)		—		11

Location and Fair Value of Derivative Instruments

	Gross		Assets			Liabilities
	Notional			Fair			Fair
September 30, 2020 (Millions)	Amount		Location	Value Amount		Location	Value Amount
Derivatives designated as
hedging instruments
Foreign currency forward/option contracts	$	1,675	Other current assets	$	40	Other current liabilities	$	24
Foreign currency forward/option contracts		722	Other assets		23	Other liabilities		7
Interest rate contracts		200	Other current assets		5	Other current liabilities		—
Interest rate contracts		403	Other assets		8	Other liabilities		—
Total derivatives designated as hedging instruments				$	76		$	31
Derivatives not designated as
hedging instruments
Foreign currency forward/option contracts	$	3,697	Other current assets	$	19	Other current liabilities	$	15
Total derivatives not designated as hedging instruments				$	19		$	15
Total derivative instruments				$	95		$	46

	Gross		Assets			Liabilities
	Notional			Fair			Fair
December 31, 2019 (Millions)	Amount		Location	Value Amount		Location	Value Amount
Derivatives designated as
hedging instruments
Foreign currency forward/option contracts	$	1,995	Other current assets	$	64	Other current liabilities	$	9
Foreign currency forward/option contracts		1,041	Other assets		50	Other liabilities		3
Interest rate contracts		500	Other current assets		—	Other current liabilities		—
Interest rate contracts		603	Other assets		17	Other liabilities		—
Total derivatives designated as hedging instruments				$	131		$	12
Derivatives not designated as
hedging instruments
Foreign currency forward/option contracts	$	2,684	Other current assets	$	11	Other current liabilities	$	8
Total derivatives not designated as hedging instruments				$	11		$	8
Total derivative instruments				$	142		$	20

Offsetting Assets

Offsetting of Financial Assets under Master Netting Agreements with Derivative Counterparties

			Gross Amounts not Offset in the
			Consolidated Balance Sheet that are Subject
	Gross Amount of		to Master Netting Agreements
	Derivative Assets		Gross Amount of
	Presented in the		Eligible Offsetting		Cash
	Consolidated		Recognized		Collateral		Net Amount of
September 30, 2020 (Millions)	Balance Sheet		Derivative Liabilities		Received		Derivative Assets
Derivatives subject to master netting agreements	$	95	$	27	$	—	$	68
Derivatives not subject to master netting agreements		—						—
Total	$	95					$	68

December 31, 2019 (Millions)
Derivatives subject to master netting agreements	$	142	$	14	$	—	$	128
Derivatives not subject to master netting agreements		—						—
Total	$	142					$	128

Offsetting Liabilities

Offsetting of Financial Liabilities under Master Netting Agreements with Derivative Counterparties

			Gross Amounts not Offset in the
			Consolidated Balance Sheet that are Subject
	Gross Amount of		to Master Netting Agreements
	Derivative Liabilities		Gross Amount of
	Presented in the		Eligible Offsetting		Cash		Net Amount of
	Consolidated		Recognized		Collateral		Derivative
September 30, 2020 (Millions)	Balance Sheet		Derivative Assets		Pledged		Liabilities
Derivatives subject to master netting agreements	$	46	$	27	$	—	$	19
Derivatives not subject to master netting agreements		—						—
Total	$	46					$	19

December 31, 2019 (Millions)
Derivatives subject to master netting agreements	$	20	$	14	$	—	$	6
Derivatives not subject to master netting agreements		—						—
Total	$	20					$	6

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Measurements

Fair Value, Assets and Liabilities Measured on Recurring Basis

			Fair Value Measurements
Description	Fair Value at		Using Inputs Considered as
(Millions)	September 30, 2020		Level 1		Level 2		Level 3
Assets:
Available-for-sale:
Marketable securities:
Corporate debt securities	$	7	$	—	$	7	$	—
Commercial paper		233		—		233		—
Certificates of deposit/time deposits		47		—		47		—
U.S. treasury securities		150		150		—		—
U.S. municipal securities		37		—		—		37
Investments		5		5		—		—
Derivative instruments — assets:
Foreign currency forward/option contracts		82		—		82		—
Interest rate contracts		13		—		13		—
Liabilities:
Derivative instruments — liabilities:
Foreign currency forward/option contracts		46		—		46		—

			Fair Value Measurements
Description	Fair Value at		Using Inputs Considered as
(Millions)	December 31, 2019		Level 1		Level 2		Level 3
Assets:
Available-for-sale:
Marketable securities:
Commercial paper	$	85	$	—	$	85	$	—
Certificates of deposit/time deposits		10		—		10		—
U.S. municipal securities		46		—		—		46
Investments		25		25		—		—
Derivative instruments — assets:
Foreign currency forward/option contracts		125		—		125		—
Interest rate contracts		17		—		17		—
Liabilities:
Derivative instruments — liabilities:
Foreign currency forward/option contracts		20		—		20		—

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

	Three months ended				Nine months ended
Marketable securities — certain U.S. municipal securities only	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Beginning balance	$	37	$	49	$	46	$	40
Total gains or losses:
Included in earnings		—		—		—		—
Included in other comprehensive income		—		—		—		—
Purchases and issuances		—		—		10		9
Sales and settlements		—		—		(19)		—
Transfers in and/or out of level 3		—		—		—		—
Ending balance	$	37	$	49	$	37	$	49
Change in unrealized gains or losses for the period included in earnings for securities held at the end of the reporting period		—		—		—		—

Fair Value of Financial Instruments by Balance Sheet Grouping

	September 30, 2020				December 31, 2019
	Carrying		Fair		Carrying		Fair
(Millions)	Value		Value		Value		Value
Long-term debt, excluding current portion	$	18,429	$	20,794	$	17,518	$	18,475

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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2020

Stock-Based Compensation

Stock-Based Compensation Expense

Stock-Based Compensation Expense

	Three months ended				Nine months ended
	September 30,				September 30,
(Millions)	2020		2019		2020		2019
Cost of sales	$	9	$	8	$	41	$	39
Selling, general and administrative expenses		30		33		138		151
Research, development and related expenses		5		7		37		40
Stock-based compensation expenses	$	44	$	48	$	216	$	230
Income tax benefits		(13)		(12)		(67)		(120)
Stock-based compensation expenses (benefits), net of tax	$	31	$	36	$	149	$	110

Stock Option Activity

Stock Option Program

The following table summarizes stock option activity during the nine months ended September 30, 2020:

				Weighted
				Average
		Weighted		Remaining	Aggregate
	Number of	Average		Contractual	Intrinsic Value
(Options in thousands)	Options	Exercise Price		Life (months)	(millions)
Under option —
January 1	33,675	$	151.15
Granted:
Annual	4,741		157.26
Other	36		155.43
Exercised	(2,132)		91.51
Forfeited	(250)		179.87
September 30	36,070	$	155.28	65	$	643
Options exercisable
September 30	28,189	$	148.59	54	$	629

Stock Option Assumptions

Stock Option Assumptions

	Annual
	2020
Exercise price	$	157.24
Risk-free interest rate		1.5	%
Dividend yield		2.7	%
Expected volatility		19.7	%
Expected life (months)		78
Black-Scholes fair value	$	21.58

Restricted Stock and Restricted Stock Units Activity

Restricted Stock and Restricted Stock Units

The following table summarizes restricted stock and restricted stock unit activity during the nine months ended September 30, 2020:

		Weighted
		Average
	Number of	Grant Date
(Shares in thousands)	Shares	Fair Value
Nonvested balance —
As of January 1	1,573	$	201.11
Granted
Annual	733		157.29
Other	41		158.91
Vested	(560)		176.21
Forfeited	(52)		198.48
As of September 30	1,735	$	189.72

Performance Shares Activity

The following table summarizes performance share activity during the nine months ended September 30, 2020:

		Weighted
		Average
	Number of	Grant Date
(Shares in thousands)	Shares	Fair Value
Undistributed balance —
As of January 1	444	$	205.58
Granted	203		153.16
Distributed	(206)		190.84
Performance change	25		166.49
Forfeited	(43)		172.92
As of September 30	423	$	188.61

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Business Segments (Tables)

9 Months Ended

Sep. 30, 2020

Business Segments

Business Segment Information

	Three months ended				Nine months ended
	September 30,				September 30,
Net Sales (Millions)	2020		2019		2020		2019
Safety and Industrial	$	3,024	$	2,829	$	8,627	$	8,729
Transportation and Electronics		2,314		2,500		6,489		7,305
Health Care		2,160		1,721		6,088		5,290
Consumer		1,417		1,342		3,911		3,862
Corporate and Unallocated		—		28		(1)		98
Elimination of Dual Credit		(565)		(429)		(1,513)		(1,259)
Total Company	$	8,350	$	7,991	$	23,601	$	24,025
Operating Performance (Millions)
Safety and Industrial	$	823	$	647	$	2,185	$	1,931
Transportation and Electronics		552		637		1,416		1,747
Health Care		508		459		1,270		1,401
Consumer		358		313		914		821
Elimination of Dual Credit		(145)		(111)		(384)		(308)
Total business segment operating income	$	2,096	$	1,945	$	5,401	$	5,592
Corporate and Unallocated
Special items:
Significant litigation-related (charges)/benefits		—		—		(17)		(548)
Gain/(loss) on sale of businesses		—		106		389		114
Divestiture-related restructuring actions		—		—		(55)		—
Other corporate expense - net		(187)		(40)		(406)		(309)
Total Corporate and Unallocated		(187)		66		(89)		(743)
Total Company operating income	$	1,909	$	2,011	$	5,312	$	4,849
Other expense/(income), net	$	104	$	45	$	311	$	349
Income before income taxes	$	1,805	$	1,966	$	5,001	$	4,500

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Significant Accounting Policies - Accounts Receivable (Details)	9 Months Ended
	Sep. 30, 2020
Maximum
Accounts receivable and allowances
Number of years of origination of receivables	5 years

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Significant Accounting Policies - Foreign Currency Translation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Jun. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Foreign Currency Translation
Foreign currency transaction loss	$ 15		$ 4
Venezuela
Foreign Currency Translation
Loss on deconsolidation of Venezuelan subsidiary		$ 162		$ 162
Foreign currency transaction loss		$ 144

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Significant Accounting Policies - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings per share
Options outstanding not included in computation of diluted earnings per share (in shares)	18.8	11.9	19.6	8.0
Numerator:
Net income attributable to 3M	$ 1,413	$ 1,583	$ 3,995	$ 3,601
Denominator:
Denominator for weighted average 3M common shares outstanding - basic (in shares)	577.8	576.5	577.2	577.2
Dilution associated with the Company's stock-based compensation plans (in shares)	4.6	6.5	4.4	8.7
Denominator for weighted average 3M common shares outstanding - diluted (in shares)	582.4	583.0	581.6	585.9
Earnings per share attributable to 3M common shareholders - basic (in dollars per share)	$ 2.45	$ 2.75	$ 6.92	$ 6.24
Earnings per share attributable to 3M common shareholders - diluted (in dollars per share)	$ 2.43	$ 2.72	$ 6.87	$ 6.15

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Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Contract Balance
Software license contracts term			1 year
Deferred revenue	$ 390		$ 390		$ 430
Deferred income recognized as revenue	100	$ 80	370	$ 560
Operating Lease Revenue	$ 153		$ 428

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Revenue - Disaggregated Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue
Net Sales	$ 8,350	$ 7,991	$ 23,601	$ 24,025
Corporate and Unallocated
Disaggregation of Revenue
Net Sales		28	(1)	98
Elimination of Dual Credit
Disaggregation of Revenue
Net Sales	(565)	(429)	(1,513)	(1,259)
Americas
Disaggregation of Revenue
Net Sales	4,347	4,036	12,122	11,962
Americas | Corporate and Unallocated
Disaggregation of Revenue
Net Sales	(1)	27	(1)	97
Americas | Elimination of Dual Credit
Disaggregation of Revenue
Net Sales	(282)	(185)	(724)	(562)
United States
Disaggregation of Revenue
Net Sales	3,700	3,300	10,200	9,700
Asia Pacific
Disaggregation of Revenue
Net Sales	2,474	2,490	7,029	7,383
Asia Pacific | Corporate and Unallocated
Disaggregation of Revenue
Net Sales		1		1
Asia Pacific | Elimination of Dual Credit
Disaggregation of Revenue
Net Sales	(197)	(193)	(550)	(534)
Europe, Middle East and Africa
Disaggregation of Revenue
Net Sales	1,528	1,465	4,450	4,682
Europe, Middle East and Africa | Corporate and Unallocated
Disaggregation of Revenue
Net Sales		1		1
Europe, Middle East and Africa | Elimination of Dual Credit
Disaggregation of Revenue
Net Sales	(86)	(52)	(239)	(164)
Other Unallocated
Disaggregation of Revenue
Net Sales	1			(2)
Other Unallocated | Corporate and Unallocated
Disaggregation of Revenue
Net Sales	1	(1)		(1)
Other Unallocated | Elimination of Dual Credit
Disaggregation of Revenue
Net Sales		1		1
Safety and Industrial
Disaggregation of Revenue
Net Sales	3,024	2,829	8,627	8,729
Safety and Industrial | Americas
Disaggregation of Revenue
Net Sales	1,623	1,497	4,509	4,532
Safety and Industrial | Asia Pacific
Disaggregation of Revenue
Net Sales	706	706	2,080	2,165
Safety and Industrial | Europe, Middle East and Africa
Disaggregation of Revenue
Net Sales	695	626	2,038	2,033
Safety and Industrial | Other Unallocated
Disaggregation of Revenue
Net Sales				(1)
Safety and Industrial | Abrasives
Disaggregation of Revenue
Net Sales	290	338	863	1,059
Safety and Industrial | Automotive Aftermarket
Disaggregation of Revenue
Net Sales	309	307	796	917
Safety and Industrial | Closure and Masking Systems
Disaggregation of Revenue
Net Sales	242	282	745	835
Safety and Industrial | Electrical Markets
Disaggregation of Revenue
Net Sales	285	299	829	912
Safety and Industrial | Industrial Adhesives and Tapes
Disaggregation of Revenue
Net Sales	647	684	1,873	2,041
Safety and Industrial | Personal Safety
Disaggregation of Revenue
Net Sales	1,136	812	3,221	2,653
Safety and Industrial | Roofing Granules
Disaggregation of Revenue
Net Sales	114	101	295	293
Safety and Industrial | Other Safety and Industrial
Disaggregation of Revenue
Net Sales	1	6	5	19
Transportation and Electronics
Disaggregation of Revenue
Net Sales	2,314	2,500	6,489	7,305
Transportation and Electronics | Americas
Disaggregation of Revenue
Net Sales	640	749	1,847	2,256
Transportation and Electronics | Asia Pacific
Disaggregation of Revenue
Net Sales	1,357	1,388	3,709	3,912
Transportation and Electronics | Europe, Middle East and Africa
Disaggregation of Revenue
Net Sales	317	362	933	1,137
Transportation and Electronics | Other Unallocated
Disaggregation of Revenue
Net Sales		1
Transportation and Electronics | Advanced Materials
Disaggregation of Revenue
Net Sales	246	319	770	961
Transportation and Electronics | Automotive and Aerospace
Disaggregation of Revenue
Net Sales	410	477	1,125	1,463
Transportation and Electronics | Commercial Solutions
Disaggregation of Revenue
Net Sales	390	443	1,147	1,382
Transportation and Electronics | Electronics
Disaggregation of Revenue
Net Sales	1,024	1,001	2,771	2,760
Transportation and Electronics | Transportation Safety
Disaggregation of Revenue
Net Sales	245	260	678	741
Transportation and Electronics | Other Transportation and Electronics
Disaggregation of Revenue
Net Sales	(1)		(2)	(2)
Health Care
Disaggregation of Revenue
Net Sales	2,160	1,721	6,088	5,290
Health Care | Americas
Disaggregation of Revenue
Net Sales	1,335	973	3,690	2,916
Health Care | Asia Pacific
Disaggregation of Revenue
Net Sales	377	360	1,091	1,121
Health Care | Europe, Middle East and Africa
Disaggregation of Revenue
Net Sales	448	388	1,307	1,253
Health Care | Drug Delivery
Disaggregation of Revenue
Net Sales		93	146	277
Health Care | Food Safety
Disaggregation of Revenue
Net Sales	82	86	252	254
Health Care | Health Information Systems
Disaggregation of Revenue
Net Sales	280	296	833	853
Health Care | Medical Solutions
Disaggregation of Revenue
Net Sales	1,251	745	3,472	2,319
Health Care | Oral Care
Disaggregation of Revenue
Net Sales	320	312	741	991
Health Care | Separation and Purification Sciences
Disaggregation of Revenue
Net Sales	221	191	639	602
Health Care | Other Health Care
Disaggregation of Revenue
Net Sales	6	(2)	5	(6)
Consumer
Disaggregation of Revenue
Net Sales	1,417	1,342	3,911	3,862
Consumer | Americas
Disaggregation of Revenue
Net Sales	1,032	975	2,801	2,723
Consumer | Asia Pacific
Disaggregation of Revenue
Net Sales	231	228	699	718
Consumer | Europe, Middle East and Africa
Disaggregation of Revenue
Net Sales	154	140	411	422
Consumer | Other Unallocated
Disaggregation of Revenue
Net Sales		(1)		(1)
Consumer | Consumer Health Care
Disaggregation of Revenue
Net Sales	96	97	278	295
Consumer | Home Care
Disaggregation of Revenue
Net Sales	268	243	796	747
Consumer | Home Improvement
Disaggregation of Revenue
Net Sales	686	612	1,863	1,729
Consumer | Stationery and Office
Disaggregation of Revenue
Net Sales	323	362	859	1,008
Consumer | Other Consumer
Disaggregation of Revenue
Net Sales	$ 44	$ 28	$ 115	$ 83

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Acquisitions and Divestitures - Acquisitions (Details) $ in Millions	1 Months Ended	3 Months Ended			9 Months Ended
	Feb. 28, 2019 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) item	Sep. 30, 2019 USD ($)
Supplemental information:
Cash paid, net of cash acquired					$ 25	$ 704
Net sales		$ 8,350		$ 7,991	23,601	24,025
Operating loss		$ (1,909)		(2,011)	$ (5,312)	(4,849)
Number of business combinations completed | item					0
M*Modal
Supplemental information:
Cash paid	$ 700
Assumed debt	$ 300
Net sales				75		200
Operating loss				$ 5		$ 40
Acelity Inc. and its KCI subsidiaries
Supplemental information:
Adjustments to purchase price allocation					$ 34
Net sales			$ 350
Operating loss			$ 45

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Acquisitions and Divestitures - Divestitures (Details) - USD ($) $ in Millions	1 Months Ended		9 Months Ended		12 Months Ended
	May 31, 2020	Jan. 31, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Divestiture Information
Proceeds from sale of businesses			$ 576	$ 236
Noncontrolling interest in the new company			63		$ 63
Disposal Group, Held-for-sale, Not Discontinued Operations
Divestiture Information
Disposal - Inventory					70
Disposal - Property, plant and equipment					150
Disposal - Intangible assets					35
Disposal - Goodwill					30
Aggregate operating income of divested businesses			$ 40	$ 25
Drug delivery business | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Divestiture Information
Annual sales of divested business					380
Aggregate selling price relative to the divestiture transaction	$ 617
Proceeds from sale of businesses	487
Pre-tax gain on sale	387
Noncontrolling interest in the new company	$ 60
Noncontrolling interest in new company (as a percent)	17.00%
Disposal - Notes and Loans	$ 70
Advanced ballistic protection business | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Divestiture Information
Annual sales of divested business					$ 85
Proceeds from sale of businesses		$ 86
Maximum contingent considerations depending on outcome of pending tenders		$ 25

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Goodwill and Intangible Assets - Goodwill balance by business segment (Details)	9 Months Ended
	Sep. 30, 2020 USD ($) item
Goodwill Information
Number of business combinations completed | item	0
Goodwill
Balance at the beginning of the period	$ 13,444,000,000
Acquisition activity	(34,000,000)
Divestiture activity	(29,000,000)
Translation and other	154,000,000
Balance at the end of the period	13,535,000,000
Amount of Goodwill impairment	0
Safety and Industrial
Goodwill
Balance at the beginning of the period	4,621,000,000
Translation and other	(7,000,000)
Balance at the end of the period	4,614,000,000
Transportation and Electronics
Goodwill
Balance at the beginning of the period	1,830,000,000
Divestiture activity	(10,000,000)
Translation and other	13,000,000
Balance at the end of the period	1,833,000,000
Health Care
Goodwill
Balance at the beginning of the period	6,739,000,000
Acquisition activity	(34,000,000)
Divestiture activity	(19,000,000)
Translation and other	143,000,000
Balance at the end of the period	6,829,000,000
Consumer
Goodwill
Balance at the beginning of the period	254,000,000
Translation and other	5,000,000
Balance at the end of the period	$ 259,000,000

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Goodwill and Intangible Assets - Acquired Intangible Assets (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Acquired intangible assets disclosures
Total gross carrying amount	$ 8,157	$ 8,261
Total accumulated amortization	(2,869)	(2,520)
Total finite-lived intangible assets - net	5,288	5,741
Non-amortizable intangible assets (primarily tradenames)	638	638
Total intangible assets - net	$ 5,926	6,379
Minimum
Acquired intangible assets disclosures
Indefinite lived tradenames years in existence	60 years
Customer related intangible assets
Acquired intangible assets disclosures
Total gross carrying amount	$ 4,232	4,316
Total accumulated amortization	(1,337)	(1,180)
Patents
Acquired intangible assets disclosures
Total gross carrying amount	530	538
Total accumulated amortization	(502)	(499)
Other technology-based intangible assets
Acquired intangible assets disclosures
Total gross carrying amount	2,099	2,124
Total accumulated amortization	(576)	(435)
Definite-lived tradenames
Acquired intangible assets disclosures
Total gross carrying amount	1,175	1,158
Total accumulated amortization	(367)	(316)
Other amortizable intangible assets
Acquired intangible assets disclosures
Total gross carrying amount	121	125
Total accumulated amortization	$ (87)	$ (90)

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Goodwill and Intangible Assets - Schedules for Amortization Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Finite Lived Intangible Asset
Amortization expense for acquired intangible assets	$ 137	$ 69	$ 405	$ 208
Expected amortization expense for acquired intangible assets recorded as of balance sheet date
Remainder of 2020	132		132
2021	524		524
2022	511		511
2023	485		485
2024	460		460
2025	428		428
After 2025	$ 2,748		$ 2,748

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Restructuring Actions (Details) $ in Millions	3 Months Ended
	Jun. 30, 2020 USD ($) person	Jun. 30, 2019 USD ($) person
2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person	400
Restructuring charges	$ 58
2020 Restructuring Actions | Drug delivery business
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person	1,300
Restructuring charges	$ 55
2020 Restructuring Actions | Employee-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	35
2020 Restructuring Actions | Asset-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	23
2020 Restructuring Actions | Cost of sales | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	13
2020 Restructuring Actions | Cost of sales | Drug delivery business
Restructuring Cost and Reserve
Restructuring charges	42
2020 Restructuring Actions | Selling, general and administrative expenses | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	37
2020 Restructuring Actions | Selling, general and administrative expenses | Drug delivery business
Restructuring Cost and Reserve
Restructuring charges	12
2020 Restructuring Actions | Research, development and related expenses | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	8
2020 Restructuring Actions | Research, development and related expenses | Drug delivery business
Restructuring Cost and Reserve
Restructuring charges	1
2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring and related cost, number of positions affected | person		2,000
Restructuring charges		$ 112
Total income before income taxes impact		148
2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		72
2019 Restructuring Actions | Asset-Related
Restructuring Cost and Reserve
Restructuring charges		40
2019 Restructuring Actions | Cost of sales
Restructuring Cost and Reserve
Restructuring charges		18
2019 Restructuring Actions | Selling, general and administrative expenses
Restructuring Cost and Reserve
Restructuring charges		89
2019 Restructuring Actions | Research, development and related expenses
Restructuring Cost and Reserve
Restructuring charges		5
2019 Restructuring Actions | Other expense (income), net
Restructuring Cost and Reserve
Restructuring charges		36
Corporate and Unallocated | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	23
Corporate and Unallocated | 2020 Restructuring Actions | Asset-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	23
Corporate and Unallocated | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges		82
Corporate and Unallocated | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		42
Corporate and Unallocated | 2019 Restructuring Actions | Asset-Related
Restructuring Cost and Reserve
Restructuring charges		40
Safety and Industrial | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	7
Safety and Industrial | 2020 Restructuring Actions | Employee-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	7
Safety and Industrial | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges		11
Safety and Industrial | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		11
Transportation and Electronics | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	11
Transportation and Electronics | 2020 Restructuring Actions | Employee-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	11
Transportation and Electronics | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges		8
Transportation and Electronics | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		8
Health Care | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	12
Health Care | 2020 Restructuring Actions | Employee-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	12
Health Care | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges		6
Health Care | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		6
Consumer | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	5
Consumer | 2020 Restructuring Actions | Employee-Related | COVID-19 Pandemic
Restructuring Cost and Reserve
Restructuring charges	$ 5
Consumer | 2019 Restructuring Actions
Restructuring Cost and Reserve
Restructuring charges		5
Consumer | 2019 Restructuring Actions | Employee-Related
Restructuring Cost and Reserve
Restructuring charges		$ 5

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Restructuring Actions - Roll Forward (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2020
2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Reserve Roll Forward
Expenses incurred		$ 58
Non-cash changes	$ (23)
Restructuring Reserve, Accrual Adjustment	(9)
Restructuring actions balances, Ending Balance	26		$ 26
Employee-Related | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Reserve Roll Forward
Expenses incurred		35
Restructuring Reserve, Accrual Adjustment	(9)
Restructuring actions balances, Ending Balance	26		26
Employee-Related | 2019 Restructuring Actions
Restructuring Reserve Roll Forward
Restructuring actions balances, Beginning Balance			140
Cash Payments			(25)
Restructuring Reserve, Accrual Adjustment			(55)
Restructuring actions balances, Ending Balance	60		60
Asset-Related | 2020 Restructuring Actions | COVID-19 Pandemic
Restructuring Reserve Roll Forward
Expenses incurred		23
Non-cash changes	(23)
Drug delivery business | 2020 Restructuring Actions
Restructuring Reserve Roll Forward
Expenses incurred		55
Non-cash changes	(14)
Cash Payments	(7)
Restructuring actions balances, Ending Balance	34		34
Drug delivery business | Employee-Related | 2020 Restructuring Actions
Restructuring Reserve Roll Forward
Expenses incurred		32
Cash Payments	(7)
Restructuring actions balances, Ending Balance	25		25
Drug delivery business | Asset-Related and Other | 2020 Restructuring Actions
Restructuring Reserve Roll Forward
Expenses incurred		$ 23
Non-cash changes	(14)
Restructuring actions balances, Ending Balance	$ 9		$ 9

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Supplemental Income Statement Information (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest expense	$ 128	$ 109		$ 388	$ 324
Interest income	(5)	(26)		(24)	(64)
Pension and postretirement net periodic benefit cost (benefit)	(19)	(38)		(53)	(73)
Total	$ 104	$ 45		$ 311	349
Venezuela
Loss on deconsolidation of Venezuelan subsidiary			$ 162		$ 162

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Supplemental Equity and Comprehensive Income Information - Dividends (Details) - $ / shares	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Supplemental Equity and Comprehensive Income Information
Dividends declared in current period (in dollars per share)	$ 1.47	$ 1.47	$ 1.47	$ 1.44	$ 1.44	$ 1.44	$ 4.41	$ 4.32

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Supplemental Equity and Comprehensive Income Information - SE Rf (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Increase (decrease) in equity
Balance at the beginning of the period	$ 10,915	$ 10,142	$ 10,126	$ 9,848
Net income	1,417	1,588	3,998	3,612
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment	271	(202)	(67)	(2)
Defined benefit pension and postretirement plans adjustment	127	76	304	356
Cash flow hedging instruments	(71)	8	(60)	(24)
Total other comprehensive income (loss), net of tax	327	(118)	177	330
Dividends declared	(847)	(828)	(2,540)	(2,488)
Purchase of subsidiary shares			(1)
Stock-based compensation	42	49	209	218
Reacquired stock	(1)	(141)	(357)	(1,211)
Issuances pursuant to stock option and benefit plans	90	72	331	441
Balance at the end of the period	11,943	10,764	11,943	10,764
ASU 2016-02 Leases | Cumulative Effect, Period of Adoption, Adjustment
Increase (decrease) in equity
Balance at the beginning of the period				14
Common Stock and Additional Paid-in Capital
Increase (decrease) in equity
Balance at the beginning of the period	6,083	5,821	5,916	5,652
Other comprehensive income (loss), net of tax:
Stock-based compensation	42	49	209	218
Balance at the end of the period	6,125	5,870	6,125	5,870
Retained Earnings
Increase (decrease) in equity
Balance at the beginning of the period	42,759	41,362	42,135	40,636
Net income	1,413	1,583	3,995	3,601
Other comprehensive income (loss), net of tax:
Dividends declared	(847)	(828)	(2,540)	(2,488)
Issuances pursuant to stock option and benefit plans	(40)	(32)	(305)	(531)
Balance at the end of the period	43,285	42,085	43,285	42,085
Retained Earnings | ASU 2018-02 Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income | Cumulative Effect, Period of Adoption, Adjustment
Increase (decrease) in equity
Balance at the beginning of the period				853
Retained Earnings | ASU 2016-02 Leases | Cumulative Effect, Period of Adoption, Adjustment
Increase (decrease) in equity
Balance at the beginning of the period				14
Treasury Stock
Increase (decrease) in equity
Balance at the beginning of the period	(29,699)	(29,828)	(29,849)	(29,626)
Other comprehensive income (loss), net of tax:
Reacquired stock	(1)	(141)	(357)	(1,211)
Issuances pursuant to stock option and benefit plans	130	104	636	972
Balance at the end of the period	(29,570)	(29,865)	(29,570)	(29,865)
Total Accumulated Other Comprehensive Income (Loss)
Increase (decrease) in equity
Balance at the beginning of the period	(8,286)	(7,272)	(8,139)	(6,866)
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment	270	(200)	(65)	(1)
Defined benefit pension and postretirement plans adjustment	127	76	304	356
Cash flow hedging instruments	(71)	8	(60)	(24)
Balance at the end of the period	(7,960)	(7,388)	(7,960)	(7,388)
Total Accumulated Other Comprehensive Income (Loss) | ASU 2018-02 Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income | Cumulative Effect, Period of Adoption, Adjustment
Increase (decrease) in equity
Balance at the beginning of the period				(853)
Other comprehensive income (loss), net of tax:
Balance at the end of the period		(853)		(853)
Noncontrolling Interest
Increase (decrease) in equity
Balance at the beginning of the period	58	59	63	52
Net income	4	5	3	11
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment	1	(2)	(2)	(1)
Purchase of subsidiary shares			(1)
Balance at the end of the period	$ 63	$ 62	$ 63	$ 62

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Supplemental Equity and Comprehensive Income Information - AOCI rf (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
AOCI Attributable to 3M, Net of Tax Roll Forward
Stockholders' Equity Attributable to 3M, Beginning Balance			$ 10,063
Impact of ASUs	$ 11,943	$ 10,764	11,943	$ 10,764	$ 10,915	$ 10,126	$ 10,142	$ 9,848
Other comprehensive income (loss), before tax:
Stockholders' Equity Attributable to 3M, Ending Balance	11,880		11,880
Cumulative Translation Adjustment
AOCI Attributable to 3M, Net of Tax Roll Forward
Stockholders' Equity Attributable to 3M, Beginning Balance	(2,234)	(1,912)	(1,899)	(2,098)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	237	(149)	(98)	(86)
Amounts reclassified out				142
Total other comprehensive income (loss), before tax	237	(149)	(98)	56
Tax effect	33	(51)	33	(57)
Total other comprehensive income (loss), net of tax	270	(200)	(65)	(1)
Stockholders' Equity Attributable to 3M, Ending Balance	(1,964)	(2,112)	(1,964)	(2,112)
Cumulative Translation Adjustment | ASU 2018-02 Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income | Cumulative Effect, Period of Adoption, Adjustment
AOCI Attributable to 3M, Net of Tax Roll Forward
Impact of ASUs		(13)		(13)
Defined Pension and Postretirement Plans Adjustment
AOCI Attributable to 3M, Net of Tax Roll Forward
Stockholders' Equity Attributable to 3M, Beginning Balance	(6,032)	(5,369)	(6,209)	(4,832)
Other comprehensive income (loss), before tax:
Amounts before reclassifications			(80)	153
Amounts reclassified out	163	101	489	310
Total other comprehensive income (loss), before tax	163	101	409	463
Tax effect	(36)	(25)	(105)	(107)
Total other comprehensive income (loss), net of tax	127	76	304	356
Stockholders' Equity Attributable to 3M, Ending Balance	(5,905)	(5,293)	(5,905)	(5,293)
Defined Pension and Postretirement Plans Adjustment | ASU 2018-02 Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income | Cumulative Effect, Period of Adoption, Adjustment
AOCI Attributable to 3M, Net of Tax Roll Forward
Impact of ASUs		(817)		(817)
Cash Flow Hedging Instruments, Unrealized Gain (Loss)
AOCI Attributable to 3M, Net of Tax Roll Forward
Stockholders' Equity Attributable to 3M, Beginning Balance	(20)	9	(31)	64
Other comprehensive income (loss), before tax:
Amounts before reclassifications	(72)	31	(10)	14
Amounts reclassified out	(21)	(21)	(68)	(48)
Total other comprehensive income (loss), before tax	(93)	10	(78)	(34)
Tax effect	22	(2)	18	10
Total other comprehensive income (loss), net of tax	(71)	8	(60)	(24)
Stockholders' Equity Attributable to 3M, Ending Balance	(91)	17	(91)	17
Cash Flow Hedging Instruments, Unrealized Gain (Loss) | ASU 2018-02 Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income | Cumulative Effect, Period of Adoption, Adjustment
AOCI Attributable to 3M, Net of Tax Roll Forward
Impact of ASUs		(23)		(23)
Total Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to 3M, Net of Tax Roll Forward
Stockholders' Equity Attributable to 3M, Beginning Balance	(8,286)	(7,272)	(8,139)	(6,866)
Impact of ASUs	(7,960)	(7,388)	(7,960)	(7,388)	$ (8,286)	$ (8,139)	$ (7,272)	(6,866)
Other comprehensive income (loss), before tax:
Amounts before reclassifications	165	(118)	(188)	81
Amounts reclassified out	142	80	421	404
Total other comprehensive income (loss), before tax	307	(38)	233	485
Tax effect	19	(78)	(54)	(154)
Total other comprehensive income (loss), net of tax	326	(116)	179	331
Stockholders' Equity Attributable to 3M, Ending Balance	$ (7,960)	(7,388)	$ (7,960)	(7,388)
Total Accumulated Other Comprehensive Income (Loss) | ASU 2018-02 Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income | Cumulative Effect, Period of Adoption, Adjustment
AOCI Attributable to 3M, Net of Tax Roll Forward
Impact of ASUs		$ (853)		$ (853)				$ (853)

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Supplemental Equity and Comprehensive Income Information - Reclass AOCI (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Amount Reclassified from Accumulated Other Comprehensive Income
Net of tax	$ (111)	$ (59)		$ (319)	$ (343)
Venezuela
Amount Reclassified from Accumulated Other Comprehensive Income
Deconsolidation of Venezuelan subsidiary			$ 162		162
Cumulative Translation Adjustment
Amount Reclassified from Accumulated Other Comprehensive Income
Total before tax					(142)
Net of tax					(142)
Cumulative Translation Adjustment | Venezuela
Amount Reclassified from Accumulated Other Comprehensive Income
Deconsolidation of Venezuelan subsidiary					(142)
Defined Pension and Postretirement Plans Adjustment
Amount Reclassified from Accumulated Other Comprehensive Income
Transition asset	(1)			(2)
Prior service benefit	15	18		46	50
Net actuarial loss	(176)	(119)		(530)	(358)
Curtailments/Settlements	(1)			(3)
Total before tax	(163)	(101)		(489)	(310)
Tax effect	36	25		118	70
Net of tax	(127)	(76)		(371)	(240)
Defined Pension and Postretirement Plans Adjustment | Venezuela
Amount Reclassified from Accumulated Other Comprehensive Income
Deconsolidation of Venezuelan subsidiary					(2)
Cash Flow Hedging Instruments, Unrealized Gain (Loss)
Amount Reclassified from Accumulated Other Comprehensive Income
Total before tax	21	21		68	48
Tax effect	(5)	(4)		(16)	(9)
Net of tax	16	17		52	39
Cash Flow Hedging Instruments, Unrealized Gain (Loss) | Foreign currency forward/option contracts
Amount Reclassified from Accumulated Other Comprehensive Income
Cost of sales	23	22		74	50
Cash Flow Hedging Instruments, Unrealized Gain (Loss) | Interest rate contracts
Amount Reclassified from Accumulated Other Comprehensive Income
Interest expense	$ (2)	$ (1)		$ (6)	$ (2)

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Income Taxes - Tax Effected Operating Loss, Capital Loss, and Tax Credit Carryovers (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Income tax
Net UTB impacting the effective tax rate	$ 1,155		$ 1,155		$ 1,178
Deferred tax assets valuation allowance	$ 124		$ 124		158
Effective tax rate (as a percent)	21.40%	19.30%	20.00%	19.70%
Increase in effective income tax rate from prior reporting period to current reporting period (as a percent)	2.10%
Decrease in unrecognized tax benefits due to resolution of a lawsuit			$ 52
Reinvested earnings that may be repatriated from non-U.S. subsidiaries	$ 5,000		5,000
Indefintely undistributed earnings of non-U.S. subsidiaries	$ 9,000		$ 9,000		$ 14,000

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Marketable Securities and Held-to-Maturity Debt Securities - Current and non-current (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Marketable Securities
Current marketable securities	$ 440	$ 98
Non-current marketable securities	34	43
Total marketable securities	474	141
Corporate debt securities
Marketable Securities
Current marketable securities	7
Commercial paper
Marketable Securities
Current marketable securities	233	85
Certificates of deposit/time deposits
Marketable Securities
Current marketable securities	47	10
U.S. treasury securities
Marketable Securities
Current marketable securities	150
U.S. municipal securities
Marketable Securities
Current marketable securities	3	3
Non-current marketable securities	$ 34	$ 43

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Marketable Securities and Held-to-Maturity Debt Securities - Contractual maturity (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Marketable securities by contractual maturity
Due in one year or less	$ 440
Due after one year through five years	14
Due after five years through ten years	20
Total marketable securities	$ 474	$ 141

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Marketable Securities and Held-to-Maturity Debt Securities - Held-to-Maturity Debt Securities (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Held-to-Maturity Debt Securities
Held-to-maturity debt security	$ 0
Third lien senior secured notes subject to in-substance
Held-to-Maturity Debt Securities
Held-to-maturity debt security		$ 500,000,000

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Long-Term Debt and Short-Term Borrowings - Long-Term Debt Issuances (Details) € in Millions, $ in Millions	1 Months Ended
	Aug. 31, 2020 USD ($)	May 31, 2020 USD ($)	May 31, 2020 EUR (€)	Mar. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Oct. 31, 2019 USD ($)
Debt instrument
Long-term debt					$ 19,582
Aggregate fixed rate registered notes
Debt instrument
Principal amount				$ 1,750
Fixed rate registered note due 2025
Debt instrument
Principal amount				$ 500
Term of debt instrument				5 years
Coupon rate				2.65%
Fixed rate registered note due 2030
Debt instrument
Principal amount				$ 600
Term of debt instrument				10 years
Coupon rate				3.05%
Fixed rate registered note due 2050
Debt instrument
Principal amount				$ 650
Term of debt instrument				30 years
Coupon rate				3.70%
Fixed rate medium term note due 2020
Debt instrument
Debt repayment	$ 500
Floating rate Euro medium term note due 2020
Debt instrument
Debt repayment | €			€ 650
Acelity Inc. and its KCI subsidiaries | Third lien senior secured notes (Third Lien Notes) maturing 2021
Debt instrument
Principal amount						$ 445
Interest rate - effective						12.50%
Debt repayment		$ 445

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Long-Term Debt and Short-Term Borrowings - Short-Term Borrowings and Current Portion of Long-Term Debt (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Commercial paper
Short-Term Borrowings and Current Portion of Long-Term Debt
Commercial paper outstanding	$ 0	$ 150,000,000

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Long-Term Debt and Short-Term Borrowings - Credit Facilities (Details) € in Millions, ¥ in Billions	Jul. 31, 2020 JPY (¥)	Nov. 30, 2019 EUR (€)
Credit Facility expiring July 2020
Debt instrument
Current borrowing capacity | ¥	¥ 80
Germany subsidiary credit facility | Credit Facility expiring November 2020
Debt instrument
Principal amount | €		€ 150

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Long-Term Debt and Short-Term Borrowings - Future Maturities of Long-term Debt (Details) $ in Millions	Sep. 30, 2020 USD ($)
Maturities of long-term debt
Remainder of 2020	$ 149
2021	1,710
2022	1,629
2023	1,842
2024	1,101
2025	1,789
After 2025	11,362
Total long-term debt	$ 19,582

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Pension and Postretirement Benefit Plans - Components of net periodic benefit cost and other information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net periodic benefit cost (benefit)
Net periodic benefit cost (benefit)	$ (19)	$ (38)	$ (53)	$ (73)
Funded | Postretirement Benefits
Net periodic benefit cost (benefit)
Service cost	11	10	33	32
Interest cost	16	20	48	62
Expected return on plan assets	(20)	(20)	(60)	(61)
Amortization of prior service benefit	(8)	(9)	(24)	(23)
Amortization of net actuarial loss	12	8	36	25
Settlements, curtailments, special terminations and other	1		3
Total non-operating expense (benefit)	1	(1)	3	3
Net periodic benefit cost (benefit)	12	9	36	35
Funded | United States | Qualified and Non-qualified Pension Benefits
Net periodic benefit cost (benefit)
Service cost	66	63	197	188
Interest cost	124	155	374	466
Expected return on plan assets	(255)	(260)	(765)	(780)
Amortization of prior service benefit	(6)	(6)	(18)	(18)
Amortization of net actuarial loss	134	91	402	274
Settlements, curtailments, special terminations and other				35
Total non-operating expense (benefit)	(3)	(20)	(7)	(23)
Net periodic benefit cost (benefit)	63	43	190	165
Funded | International | Qualified and Non-qualified Pension Benefits
Net periodic benefit cost (benefit)
Service cost	39	32	115	98
Interest cost	31	40	95	118
Expected return on plan assets	(77)	(75)	(231)	(225)
Amortization of transition asset	1		2
Amortization of prior service benefit	(1)	(3)	(4)	(9)
Amortization of net actuarial loss	30	20	92	59
Settlements, curtailments, special terminations and other				1
Total non-operating expense (benefit)	(16)	(18)	(46)	(56)
Net periodic benefit cost (benefit)	$ 23	$ 14	$ 69	$ 42

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Pension and Postretirement Benefit Plans - Narrative (Details)	1 Months Ended	3 Months Ended				9 Months Ended
	May 31, 2019 USD ($) person	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2020 USD ($)
Benefit Plan Information
Defined benefit pension and postretirement plans adjustment		$ (127,000,000)		$ (76,000,000)		$ (304,000,000)	$ (356,000,000)
International | Funded | United Kingdom Pension Plan
Benefit Plan Information
Defined benefit pension and postretirement plans adjustment			$ 80,000,000
Qualified and Non-qualified Pension Benefits | Funded
Benefit Plan Information
Company contributions year to date						119,000,000
Qualified and Non-qualified Pension Benefits | United States | Funded
Benefit Plan Information
Special termination benefits - number of additional years of pension service	1
Special termination benefits - number of additional years of age for certain benefit calculations	1
Special termination benefits - number of participants | person	800
Special termination benefits charge					$ 35,000,000
Postretirement Benefits | Funded
Benefit Plan Information
Company contributions year to date						3,000,000
Maximum life insurance and death benefit to be paid under the modified 3M Retiree Life Insurance Plan postretirement benefit	$ 8,000
Defined benefit pension and postretirement plans adjustment					150,000,000
Total Accumulated Other Comprehensive Income (Loss)
Benefit Plan Information
Defined benefit pension and postretirement plans adjustment		$ (127,000,000)		$ (76,000,000)		$ (304,000,000)	$ (356,000,000)
Total Accumulated Other Comprehensive Income (Loss) | International | Funded | United Kingdom Pension Plan
Benefit Plan Information
Defined benefit pension and postretirement plans adjustment			$ 80,000,000
Total Accumulated Other Comprehensive Income (Loss) | Postretirement Benefits | Funded
Benefit Plan Information
Defined benefit pension and postretirement plans adjustment					$ 150,000,000
Forecast | Pension and Postretirement Benefit Plans | Funded | Maximum
Benefit Plan Information
Estimated pension and postretirement employer contributions in current fiscal year								$ 200,000,000

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Derivatives - Cash Flow Hedges (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020
Treasury rate lock contracts
Derivatives in Cash Flow Hedging Relationships
Derivative notional amount		$ 500
Cash flow hedge
Derivatives in Cash Flow Hedging Relationships
Accumulated other comprehensive income (loss), unrealized gain (loss) on cash flow hedges	$ (91)
After-tax net unrealized gain (loss) anticipated to be reclassified from AOCI to the income statement within next twelve months	7
After-tax net unrealized gain (loss) anticipated to be reclassified from AOCI to the Income Statement over remaining fiscal year	3
After-tax net unrealized gain (loss) anticipated to be reclassifed from AOCI to the Income Statement over next fiscal year	4
After-tax unrealized gain (loss) anticipated to be reclassified from AOCI to the Income Statement after the next fiscal year	$ (98)
Cash flow hedge | Foreign currency forward/option contracts
Derivatives in Cash Flow Hedging Relationships
Maximum length of time hedged in interest rate cash flow hedge	36 months
Cash flow hedge | Interest rate contracts
Derivatives in Cash Flow Hedging Relationships
Accumulated other comprehensive income (loss), unrealized gain (loss) on cash flow hedges	$ (109)

XML

Derivatives - Cash Flow Hedges - Gain (Loss) in OCI or Reclassified from AOCI (Details) - Cash flow hedge - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivatives in Cash Flow Hedging Relationships
Pretax Gain (Loss) Recognized in Other Comprehensive Income on Derivative	$ (72)	$ 31	$ (10)	$ 14
Pretax Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	21	21	68	48
Foreign currency forward/option contracts
Derivatives in Cash Flow Hedging Relationships
Pretax Gain (Loss) Recognized in Other Comprehensive Income on Derivative	(72)	105	(8)	137
Foreign currency forward/option contracts | Cost of sales
Derivatives in Cash Flow Hedging Relationships
Pretax Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	23	22	74	50
Interest rate contracts
Derivatives in Cash Flow Hedging Relationships
Pretax Gain (Loss) Recognized in Other Comprehensive Income on Derivative		(74)	(2)	(123)
Interest rate contracts | Interest expense
Derivatives in Cash Flow Hedging Relationships
Pretax Gain (Loss) Reclassified from Accumulated Other Comprehensive Income into Income	$ (2)	$ (1)	$ (6)	$ (2)

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Derivatives - Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Derivatives
Hedged Liability, Fair Value Hedge	$ 786	$ 1,274
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	18	22
Short-term borrowings and current portion of long-term debt
Derivatives
Hedged Liability, Fair Value Hedge	205	499
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	5
Long-term debt
Derivatives
Hedged Liability, Fair Value Hedge	581	775
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ 13	$ 22

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Derivatives - Net Investment Hedges (Details) - Net Investment Hedges € in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 EUR (€)
Net investment hedges
Effective portion of net investment hedge reclassified out of other comprehensive income into income	$ 0	$ 0	$ 0	$ 0
Pretax Gain (Loss) Recognized as Cumulative Translation within Other Comprehensive Income on Effective Portion of Instrument	(157)	215	(148)	248
Amount of Gain (Loss) Excluded from Effectiveness Testing Recognized in Income		6	5	18
Foreign currency forward contracts
Net investment hedges
Derivative notional amount | €					€ 50
Pretax Gain (Loss) Recognized as Cumulative Translation within Other Comprehensive Income on Effective Portion of Instrument	(3)	38	2	43
Foreign currency forward contracts | Cost of sales
Net investment hedges
Amount of Gain (Loss) Excluded from Effectiveness Testing Recognized in Income		6	5	18
Foreign Currency Denominated Debt
Net investment hedges
Face amount of debt designated as a net investment hedge | €					€ 3,500
Pretax Gain (Loss) Recognized as Cumulative Translation within Other Comprehensive Income on Effective Portion of Instrument	$ (154)	$ 177	$ (150)	$ 205

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Derivatives - Not Designated (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivatives not designated as hedging instruments
Gain (Loss) on Derivative Recognized in Income	$ 30	$ (2)	$ 5	$ (22)
Foreign currency forward/option contracts | Cost of sales
Derivatives not designated as hedging instruments
Gain (Loss) on Derivative Recognized in Income	1	6	3	4
Foreign currency forward contracts | Interest expense
Derivatives not designated as hedging instruments
Gain (Loss) on Derivative Recognized in Income	$ 29	$ (8)	$ 2	$ (26)

XML

Derivatives - Statement of Income Location and Impact of Cash Flow (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Cost of sales
Derivatives in Fair Value Hedging Relationships
Total amounts of income and expense line items presented in the consolidated statement of income in which the effects of cash flow or fair value hedges are recorded	$ 4,303	$ 4,188	$ 12,217	$ 12,811
Other expense (income), net
Derivatives in Fair Value Hedging Relationships
Total amounts of income and expense line items presented in the consolidated statement of income in which the effects of cash flow or fair value hedges are recorded	104	45	311	349
Cash flow hedge
Gain or (loss) on cash flow hedging relationships:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	21	21	68	48
Cash flow hedge | Foreign currency forward/option contracts | Cost of sales
Gain or (loss) on cash flow hedging relationships:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	23	22	74	50
Cash flow hedge | Interest rate contracts | Other expense (income), net
Gain or (loss) on cash flow hedging relationships:
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	(2)	(1)	(6)	(2)
Fair value hedges | Interest rate contracts | Other expense (income), net
Gain or (loss) on fair value hedging relationships:
Hedged items	3	1	3	(11)
Fair value hedges | Derivatives designated as hedging instruments | Interest rate contracts | Other expense (income), net
Gain or (loss) on fair value hedging relationships:
Derivatives designated as hedging instruments	$ (3)	$ (1)	$ (3)	$ 11

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Derivatives - BS Location (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Assets	$ 95	$ 142
Fair Value of Derivative Instruments, Liabilities	46	20
Derivatives designated as hedging instruments
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Assets	76	131
Fair Value of Derivative Instruments, Liabilities	31	12
Derivatives designated as hedging instruments | Foreign currency forward/option contracts | Other current assets
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Assets	40	64
Derivatives designated as hedging instruments | Foreign currency forward/option contracts | Other assets
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Assets	23	50
Derivatives designated as hedging instruments | Foreign currency forward/option contracts | Other current liabilities
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Liabilities	24	9
Derivatives designated as hedging instruments | Foreign currency forward/option contracts | Other liabilities
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Liabilities	7	3
Derivatives designated as hedging instruments | Foreign currency forward/option contracts | Current balance sheet location
Location and Fair Value Amount of Derivative Instruments
Derivative Notional Amount	1,675	1,995
Derivatives designated as hedging instruments | Foreign currency forward/option contracts | Noncurrent balance sheet location
Location and Fair Value Amount of Derivative Instruments
Derivative Notional Amount	722	1,041
Derivatives designated as hedging instruments | Interest rate contracts | Other current assets
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Assets	5
Derivatives designated as hedging instruments | Interest rate contracts | Other assets
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Assets	8	17
Derivatives designated as hedging instruments | Interest rate contracts | Current balance sheet location
Location and Fair Value Amount of Derivative Instruments
Derivative Notional Amount	200	500
Derivatives designated as hedging instruments | Interest rate contracts | Noncurrent balance sheet location
Location and Fair Value Amount of Derivative Instruments
Derivative Notional Amount	403	603
Derivatives not designated as hedging instruments
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Assets	19	11
Fair Value of Derivative Instruments, Liabilities	15	8
Derivatives not designated as hedging instruments | Foreign currency forward/option contracts | Other current assets
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Assets	19	11
Derivatives not designated as hedging instruments | Foreign currency forward/option contracts | Other current liabilities
Location and Fair Value Amount of Derivative Instruments
Fair Value of Derivative Instruments, Liabilities	15	8
Derivatives not designated as hedging instruments | Foreign currency forward/option contracts | Current balance sheet location
Location and Fair Value Amount of Derivative Instruments
Derivative Notional Amount	$ 3,697	$ 2,684

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Derivatives - Offsetting Assets (Details)	9 Months Ended
	Sep. 30, 2020 USD ($) Counterparty	Dec. 31, 2019 USD ($)
Offsetting of Financial Assets under Master Netting Agreements with Derivative Counterparties
Number of master netting agreements supported by primary counterparty's parent guarantee | Counterparty	17
Number of credit support agreements by primary counterparty | Counterparty	16
Gross Amounts of Derivative Assets Presented in the Consolidated Balance Sheet	$ 95,000,000	$ 142,000,000
Cash Collateral Received	0	0
Net Amount of Derivative Assets	68,000,000	128,000,000
Derivatives subject to master netting agreements
Offsetting of Financial Assets under Master Netting Agreements with Derivative Counterparties
Gross Amounts of Derivative Assets Presented in the Consolidated Balance Sheet	95,000,000	142,000,000
Gross Amount of Eligible Offsetting Recognized Derivative Liabilities	27,000,000	14,000,000
Net Amount of Derivative Assets	$ 68,000,000	$ 128,000,000

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Derivatives - Offsetting Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Offsetting of Financial Liabilities under Master Netting Agreements with Derivative Counterparties
Gross Amounts of Derivative Liabilities Presented in the Consolidated Balance Sheet	$ 46	$ 20
Net Amount of Derivative Liabilities	19	6
Derivatives subject to master netting agreements
Offsetting of Financial Liabilities under Master Netting Agreements with Derivative Counterparties
Gross Amounts of Derivative Liabilities Presented in the Consolidated Balance Sheet	46	20
Gross Amount of Eligible Offsetting Recognized Derivative Assets	27	14
Net Amount of Derivative Liabilities	$ 19	$ 6

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Derivatives - Currency Effects (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020
Foreign Currency
Year-on-year foreign currency transaction effects, including hedging impact, gain (loss) impact on pre-tax income	$ (15)	$ (4)

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Fair Value Measurements - Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	$ 474	$ 141
Gross Amounts of Derivative Assets Presented in the Consolidated Balance Sheet	95	142
Gross Amounts of Derivative Liabilities Presented in the Consolidated Balance Sheet	46	20
Fair value on a recurring basis | Foreign currency forward/option contracts
Assets and Liabilities Measured on Recurring Basis
Gross Amounts of Derivative Assets Presented in the Consolidated Balance Sheet	82	125
Gross Amounts of Derivative Liabilities Presented in the Consolidated Balance Sheet	46	20
Fair value on a recurring basis | Interest rate contracts
Assets and Liabilities Measured on Recurring Basis
Gross Amounts of Derivative Assets Presented in the Consolidated Balance Sheet	13	17
Fair value on a recurring basis | Corporate debt securities
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	7
Fair value on a recurring basis | Commercial paper
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	233	85
Fair value on a recurring basis | Certificates of deposit/time deposits
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	47	10
Fair value on a recurring basis | U.S. treasury securities
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	150
Fair value on a recurring basis | U.S. municipal securities
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	37	46
Fair value on a recurring basis | Investments
Assets and Liabilities Measured on Recurring Basis
Investments	5	25
Fair value on a recurring basis | Level 1 | U.S. treasury securities
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	150
Fair value on a recurring basis | Level 1 | Investments
Assets and Liabilities Measured on Recurring Basis
Investments	5	25
Fair value on a recurring basis | Level 2 | Foreign currency forward/option contracts
Assets and Liabilities Measured on Recurring Basis
Gross Amounts of Derivative Assets Presented in the Consolidated Balance Sheet	82	125
Gross Amounts of Derivative Liabilities Presented in the Consolidated Balance Sheet	46	20
Fair value on a recurring basis | Level 2 | Interest rate contracts
Assets and Liabilities Measured on Recurring Basis
Gross Amounts of Derivative Assets Presented in the Consolidated Balance Sheet	13	17
Fair value on a recurring basis | Level 2 | Corporate debt securities
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	7
Fair value on a recurring basis | Level 2 | Commercial paper
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	233	85
Fair value on a recurring basis | Level 2 | Certificates of deposit/time deposits
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	47	10
Fair value on a recurring basis | Level 3 | U.S. municipal securities
Assets and Liabilities Measured on Recurring Basis
Available-for-sale marketable securities	$ 37	$ 46

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Fair Value Measurements - Recurring Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Reconciliation of items measured at fair value on a recurring basis that used significant unobservable inputs (Level 3)
Balance at the beginning of the period	$ 37	$ 49	$ 46	$ 40
Total gains or losses included in earnings	0	0	0	0
Total gains or losses included in other comprehensive income	0	0	0	0
Purchases and issuances	0	0	10	9
Sales and settlements	0	0	(19)	0
Transfers in and/or out of Level 3	0	0	0	0
Balance at the end of the period	37	49	37	49
Total gains or losses included in other comprehensive income	$ 0	$ 0	$ 0	$ 0

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Fair Value Measurements - Nonrecurring Basis (Details) - Fair value on a nonrecurring basis - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2019
Assets and Liabilities Measured on Recurring or Nonrecurring Basis
Long-lived asset impairment charges	$ 0		$ 0	$ 0
Adjustment to the carrying value of equity securities using the measurement alternative		$ (22,000,000)

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Fair Value Measurements - Financial Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Carrying Value
Financial Instruments
Long-term debt, excluding current portion - Fair Value	$ 18,429	$ 17,518
Fair Value
Financial Instruments
Long-term debt, excluding current portion - Fair Value	$ 20,794	$ 18,475

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Commitments and Contingencies - Respirator (Details)	1 Months Ended	3 Months Ended		9 Months Ended					12 Months Ended
	Apr. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2020 USD ($) person	Sep. 30, 2020 USD ($) case	Sep. 30, 2020 USD ($) lawsuit	Sep. 30, 2020 USD ($)	Dec. 31, 2019 person
Respirator Mask/Asbestos Litigation
Loss contingencies
Total number of named claimants | person					1,884				1,727
Number of years company has been the defendant in Respirator Mask/Asbestos Litigation				20 years
Number of total claims the Company prevailed after being taken to trial						14	2
Number of total claims taken to trial | case						15
Increase in liabilities, gross			$ 313,000,000
Payments for fees and settlements related to litigation								$ 45,000,000
Insurance receivables				$ 4,000,000	$ 4,000,000	$ 4,000,000	$ 4,000,000	4,000,000
Accrued loss contingency reserve				$ 586,000,000	$ 586,000,000	586,000,000	$ 586,000,000	586,000,000
Increase (decrease) accrued loss contingency reserve								23,000,000
Respirator Mask/Asbestos Litigation | State court of California
Loss contingencies
Number of total claims the Company prevailed after being taken to trial | lawsuit							1
Respirator Mask/Asbestos Litigation | State court of Kentucky
Loss contingencies
Number of unnamed defendant | person					2
Respirator Mask/Asbestos Litigation | Kentucky and West Virginia
Loss contingencies
Settlement amount paid	$ 340,000,000
Respirator Mask/Asbestos Litigation - State of West Virginia
Loss contingencies
Number of additional defendants				two
Accrued loss contingency reserve				$ 0	$ 0	0	$ 0	0
Respirator Mask/Asbestos Litigation - Aearo Technologies
Loss contingencies
Accrued loss contingency reserve				$ 20,000,000	$ 20,000,000	$ 20,000,000	$ 20,000,000	20,000,000
Increase (decrease) accrued loss contingency reserve		$ (37,000,000)
Quarterly fee paid to Cabot to retain responsibility and liability for products manufactured before July 11, 1995								$ 100,000

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Commitments and Contingencies - Environmental (Details)	1 Months Ended					3 Months Ended			9 Months Ended
	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Apr. 30, 2019 USD ($)	Jul. 31, 2018 USD ($)	Feb. 28, 2018 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Sep. 30, 2020 USD ($) lawsuit person item facility company subsidiary defendant
Environmental Matters - Remediation
Loss contingencies
Accrued loss contingency reserve | $									$ 23,000,000
Number of years remediation payments expected to be paid for applicable sites									20 years
Environmental Matters - Other
Loss contingencies
Accrued loss contingency reserve | $									$ 0
Insurance receivables | $									$ 8,000,000
Environmental Matters - Regulatory Activities
Loss contingencies
Number of years after phase-out decision in May 2000 that the Company stopped manufacturing and using vast majority of perfluorooctanyl compounds									2 years
Amount of PFOA and PFOS found in drinking water, either individually or combined, that are allowed per the EPA's announced lifetime health advisory levels in parts per trillion | item									70
Amount of PFOA in drinking water allowed per provisional health advisories in parts per trillion (superseded) | item									400
Amount of PFOS in drinking water allowed per provisional health advisories in parts per trillion (superseded) | item									200
Number of PFCs the EPA has required to have public water system suppliers monitor | item									6
Number of PFAS the EPA has required to have public water system suppliers monitor | item									6
Number compounds EPA asked for public comment on draft toxicity assessments for PFAS compounds, including PFBS | item									2
Number of public water supplies the EPA reported results | item									4,920
Number of water supplies that reported above advisory level with PFOA | item									13
Number of water supplies that reported above advisory level with PFOS | item									46
Number of water supplies that reported above advisory level with both PFOA and PFOS under technical advisory issued by EPA in September 2016 | item									65
Environmental Matters - Regulatory Activities | Minimum
Loss contingencies
Number of water supply samples used to test for PFOA and PFOS under the EPA lifetime health advisory program | item									1
Environmental Matters - Regulatory Activities | Massachusetts
Loss contingencies
Number of combined PFAS compounds detailed in published final regulations establishing a drinking water standard | item									6
Environmental Matters - Regulatory Activities | Minnesota Department of Health
Loss contingencies
Amount of PFOA in drinking water allowed per Minnesota Department of Health in parts per trillion | item									35
Amount of PFOS in drinking water allowed per Minnesota Department of Health in parts per trillion | item									27
Additional amounts of PFOS in drinking water allowed per Minnesota Department of Health in parts per trillion | item									15
Amount of PFHxS in drinking water allowed per Minnesota Department of Health in parts per trillion | item									47
Amount of PFBS in drinking water allowed per Minnesota Department of Health in parts per billion | item									2
Environmental Matters - Regulatory Activities | Vermont
Loss contingencies
Number of other perfluorinated compounds in drinking water standards | item									3
Environmental Matters - Litigation | U.S. District Court for the Northern District of Alabama
Loss contingencies
Number of plaintiffs | person									59
Number of additional defendants | person									24
Environmental Matters - Litigation | Alabama
Loss contingencies
Litigation settlement awarded | $			$ 35,000,000
Number of local water works for whom the water authority supplies water | item									5
Environmental Matters - Litigation | Decatur, Alabama
Loss contingencies
Number of closed municipal landfills | item									3
Number of putative class action and other lawsuits									2
Environmental Matters - Litigation | Minnesota
Loss contingencies
Litigation settlement awarded | $								$ 897,000,000
Number of recommended options for utilizing the Water Quality and Sustainability Fund seeking public comment | item									3
Settlement amount paid | $					$ 850,000,000
Environmental Matters - Litigation | Lake Elmo, Minnesota | Maximum
Loss contingencies
Settlement amount paid | $			$ 5,000,000
Environmental Matters - Litigation | New Jersey
Loss contingencies
Number of lawsuits filed									2
Number of additional new claims filed									2
Loss Contingency Parties Jointly and Severally Liable in Litigation									six
Environmental Matters - Litigation | Salem County, New Jersey
Loss contingencies
Number of facilities related to the manufacture and disposal of PFAS | facility									2
Environmental Matters - Litigation | Michigan
Loss contingencies
Number of lawsuits filed									2
Environmental Matters - Litigation | Federal court of Michigan
Loss contingencies
Number of lawsuits filed									1
Environmental Matters - Litigation | State court in New York
Loss contingencies
Number of lawsuits filed									4
Environmental Matters - Litigation | State Court of Lawrence County, Alabama
Loss contingencies
Number of plaintiffs | person									200
Environmental Matters - Litigation | New Hampshire
Loss contingencies
Number of lawsuits filed									2
Loss Contingency Parties Jointly and Severally Liable in Litigation									seven
Environmental Matters - Litigation | Vermont
Loss contingencies
Number of lawsuits filed									2
Loss Contingency Parties Jointly and Severally Liable in Litigation									ten
Environmental Matters - Other Environmental Litigation | New Jersey
Loss contingencies
Number of unnamed defendant | defendant									120
Approximate number of miles of a river seeking to be cleaned | item									8
The value the award the plaintiff seeks | $				$ 165,000,000
Number of chemicals of concern in the sediment | item									8
Number of commercial drum conditioning facilities | item									2
Environmental Matters - Aqueous Film Forming Foam Litigation
Loss contingencies
Number of lawsuits filed									8
Number of lawsuits served									3
Number of putative class action and other lawsuits | item									784
Number of class action lawsuits									26
Number of cases filed by current or former firefighters									278
Environmental Matters - Aqueous Film Forming Foam Litigation | State court of Arizona
Loss contingencies
Number of lawsuits served									1
Environmental Matters - Aqueous Film Forming Foam Litigation | State court of California
Loss contingencies
Number of lawsuits served									1
Environmental Matters - Aqueous Film Forming Foam Litigation | State court of Missouri
Loss contingencies
Number of lawsuits served									1
Environmental Matters - Aqueous Film Forming Foam Litigation | U.S. Judicial Panel on Multidistrict Litigation (MDL)
Loss contingencies
Number of lawsuits filed									770
Number of putative class action and other lawsuits									783
Environmental Matters - Aqueous Film Forming Foam Litigation | Various state courts
Loss contingencies
Number of lawsuits filed									9
Number of lawsuits pending									5
Number of cases stayed									5
Environmental Matters - Aqueous Film Forming Foam Litigation | State court in Wisconsin
Loss contingencies
Number of subsidiaries of plaintiff | subsidiary									2
Environmental Matters - Aqueous Film Forming Foam Litigation | Federal court
Loss contingencies
Number of lawsuits pending									2
Environmental Matters - Other PFAS-related Environmental Litigation
Loss contingencies
Accrued loss contingency reserve | $									$ 375,000,000
Increase (decrease) accrued loss contingency reserve | $							$ 235,000,000		41,000,000
Litigation payments | $									$ 111,000,000
Number of landfills tested by the entity for environmental matters and litigation related to historical PFAS manufacturing operations | item									4
Charge for environmental resolutions | $						$ 214,000,000
Environmental Matters - Other PFAS-related Environmental Litigation | U.S. District Court of New York State
Loss contingencies
Number of lawsuits filed									41
Number of additional new claims filed									4
Number of putative class action and other lawsuits									1
Environmental Matters - Other PFAS-related Environmental Litigation | U.S. District Court of Eastern District of New York
Loss contingencies
Number of lawsuits pending									8
Environmental Matters - Other PFAS-related Environmental Litigation | Alabama
Loss contingencies
Number of perfluorinated materials (FBSA and FBSEE) the company cannot release into "the waters of the United States." | item									2
Number of putative class action and other lawsuits									4
Environmental Matters - Other PFAS-related Environmental Litigation | Georgia
Loss contingencies
Number of putative class action and other lawsuits									1
Environmental Matters - Other PFAS-related Environmental Litigation | Cities located downstream along the Coosa River
Loss contingencies
Number of putative class action and other lawsuits									3
Environmental Matters - Other PFAS-related Environmental Litigation | New Jersey
Loss contingencies
Number of lawsuits filed									2
Environmental Matters - Other PFAS-related Environmental Litigation | Michigan
Loss contingencies
Number of plaintiffs | person									1
Settlement amount paid | $	$ 55,000,000	$ 70,000,000
Number of lawsuits filed									270
Number of federal bellwether cases with trial-ready dates set									4
Number of federal bellwether cases the court issued the first round of dispositive motion rulings									2
Total number of federal bellwether cases									3
Number of putative class action and other lawsuits									1
Number of companies involved in agreement | company									2
Environmental Matters - Other PFAS-related Environmental Litigation | Parchment, Michigan
Loss contingencies
Funds to provide expanded municipal water service | $									$ 5,000,000
Environmental Matters - Other PFAS-related Environmental Litigation | Delaware.
Loss contingencies
Number of putative class action and other lawsuits									1

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Commitments and Contingencies - Product Liability (Details)	9 Months Ended
	Sep. 30, 2020 USD ($) lawsuit person
Product Liability - Bair Hugger
Product Liability Litigation
Number of lawsuits filed	22
Number of plaintiffs | person	25
Accrued loss contingency reserve | $	$ 0
Product Liability - Bair Hugger | United States
Product Liability Litigation
Number of lawsuits filed	22
Product Liability - Bair Hugger | Canada
Product Liability Litigation
Number of putative class action and other lawsuits	1
Product Liability - Bair Hugger | Various federal courts
Product Liability Litigation
Number of plaintiffs | person	5,000
Product Liability - Bair Hugger | Multi-district litigation (MDL)
Product Liability Litigation
Number of lawsuits pending	19
Number of cases stayed	19
Product Liability - Bair Hugger | State court
Product Liability Litigation
Number of lawsuits pending	3
Product Liability - Bair Hugger | U.S. District Court for Oklahoma
Product Liability Litigation
Number of total claims dismissed	1
Product Liability - Bair Hugger | U.S. District Court for the District of Minnesota
Product Liability Litigation
Number of lawsuits filed	61
Product Liability - Bair Hugger and medical malpractice claims | Hidalgo County Texas
Product Liability Litigation
Number of lawsuits pending	1
Product Liability - Bair Hugger and medical malpractice claims | Jackson County Missouri
Product Liability Litigation
Number of lawsuits pending	2
Product Liability - Dual-Ended Combat Arms Earplugs
Product Liability Litigation
Number of lawsuits filed	3,000
Number of putative class action and other lawsuits	14
Number of plaintiffs | person	12,000
Accrued loss contingency reserve | $	$ 0

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Commitments and Contingencies - Securities Litigation (Details)	9 Months Ended
	Sep. 30, 2020 lawsuit
U.S. District Court for the District of Minnesota | Securities Litigation
Loss contingencies
Number of derivative lawsuits filed	2

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Commitments and Contingencies - Federal False Claims Act / Qui Tam Litigation (Details) - Federal False Claims Act / Qui Tam Litigation	9 Months Ended
	Sep. 30, 2020 lawsuit person
Loss contingencies
Number of actions declined to intervene	2
Number of lawsuits pending	2
Number of former employees | person	2
Godecke case
Loss contingencies
Number of lawsuits pending	1

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Stock-Based Compensation (Details)	9 Months Ended
	Sep. 30, 2020 age shares
Share-based Compensation Arrangement by Share-based Payment Award Activity
Retirement age eligibility for employees | age	55
Retirement eligibility for employees, minimum years of service required	10 years
Percent of stock-based compensation related to retiree-eligible population (as a percent)	35.00%
Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award Activity
Number of shares authorized	123,965,000
Number of shares available for grant	16,000,000

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Stock-Based Compensation - Compensation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Amounts recognized in the financial statements
Stock-based compensation programs expense	$ 44	$ 48	$ 216	$ 230
Income tax benefits	(13)	(12)	(67)	(120)
Stock-based compensation expenses (benefits), net of tax	31	36	149	110
Cost of sales
Amounts recognized in the financial statements
Stock-based compensation programs expense	9	8	41	39
Selling, general and administrative expenses
Amounts recognized in the financial statements
Stock-based compensation programs expense	30	33	138	151
Research, development and related expenses
Amounts recognized in the financial statements
Stock-based compensation programs expense	$ 5	$ 7	$ 37	$ 40

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Stock-Based Compensation - Stock Options (Details) - Stock Options - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Stock Option Program
Balance at the beginning of the period	33,675
Granted - Annual	4,741
Granted - Other	36
Exercised	(2,132)
Forfeited	(250)
Balance at the end of the period	36,070
Options exercisable	28,189
Options exercisable, exercise price	$ 148.59
Weighted average exercise price - Beginning balance	151.15
Weighted average exercise price - Granted - Annual	157.26
Weighted average exercise price - Granted - Other	155.43
Weighted average exercise price - Exercised	91.51
Weighted average exercise price - Forfeited	179.87
Weighted average exercise price - Ending balance	$ 155.28
Weighted average remaining contractual life for options outstanding	65 months
Weighted average remaining contractual life for options exercisable	54 months
Aggregate intrinsic value for options outstanding	$ 643
Aggregate intrinsic value for options exercisable	$ 629
Expiration of annual grants	10 years
Compensation expense yet to be recognized	$ 71
Expense recognition period	21 months
Total intrinsic value of stock options exercised	$ 160	$ 368
Cash received from options exercised	193	304
Tax benefit realized from exercise of stock options	$ 34	$ 77
Share- based compensation assumptions
Weighted average exercise price	$ 157.24
Risk-free interest rate (as a percent)	1.50%
Dividend yield (as a percent)	2.70%
Expected volatility (as a percent)	19.70%
Expected life	78 months
Black-Scholes fair value	$ 21.58
Maximum
Stock Option Program
Vesting period	3 years
Minimum
Stock Option Program
Vesting period	1 year

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Stock-Based Compensation - RSU, RS, Performance Shares (Details) - USD ($) $ / shares in Units, shares in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Restricted Stock and Restricted Stock Units
Unit and Shares Activity:
Number of Shares - Nonvested - Beginning balance	1,573
Number of Shares - Granted - Annual	733
Number of Shares - Granted - Other	41
Number of Shares - Vested	(560)
Number of Shares - Forfeited	(52)
Number of Shares - Nonvested - Ending balance	1,735
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures
Weighted Average Grant Date Fair Value - Nonvested - Beginning balance	$ 201.11
Weighted Average Grant Date Fair Value - Granted - Annual	157.29
Weighted Average Grant Date Fair Value - Granted - Other	158.91
Weighted Average Grant Date Fair Value - Vested	176.21
Weighted Average Grant Date Fair Value - Forfeited	198.48
Weighted Average Grant Date Fair Value - Nonvested - Ending balance	$ 189.72
Compensation expense yet to be recognized	$ 96,000,000
Expense recognition period	24 months
Fair value that vested	$ 89,000,000	$ 136,000,000
Tax benefit realized from vesting	$ 17,000,000	26,000,000
Vesting or performance period	3 years
Value of dividend equivalents for restricted stock units that are forfeited	$ 0
Impact on basic earnings per share due to restricted stock units dividends	$ 0
Performance Shares
Unit and Shares Activity:
Number of Shares - Nonvested - Beginning balance	444
Number of Shares - Granted - Annual	203
Number of Shares - Vested	(206)
Number of Shares - Performance Change	25
Number of Shares - Forfeited	(43)
Number of Shares - Nonvested - Ending balance	423
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures
Weighted Average Grant Date Fair Value - Nonvested - Beginning balance	$ 205.58
Weighted Average Grant Date Fair Value - Granted - Annual	153.16
Weighted Average Grant Date Fair Value - Vested	190.84
Weighted Average Grant Date Fair Value - Performance Change	166.49
Weighted Average Grant Date Fair Value - Forfeited	172.92
Weighted Average Grant Date Fair Value - Nonvested - Ending balance	$ 188.61
Compensation expense yet to be recognized	$ 24,000,000
Expense recognition period	20 months
Fair value that vested	$ 35,000,000	45,000,000
Tax benefit realized from vesting	$ 7,000,000	$ 9,000,000
Vesting or performance period	3 years
Performance shares awarded at estimated number of shares at the end of the performance period	100.00%
Performance Shares | Maximum
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures
Expense recognition period	3 years
Number of shares to be delivered based on percent of each performance share granted upon satisfaction of performance conditions	200.00%
Performance Shares | Minimum
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures
Expense recognition period	1 year
Number of shares to be delivered based on percent of each performance share granted upon satisfaction of performance conditions	0.00%

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Business Segments (Details) $ in Millions	3 Months Ended	9 Months Ended
	Mar. 31, 2020 USD ($)	Sep. 30, 2020 segment
Business Segment Information
Number of business segments | segment		4
Business Segments in Aggregate
Business Segment Information
Increase (decrease) in net sales due to continued alignment of customer account activity	$ (42)
Increase (decrease) in operating income due to continued alignment of customer account activity	(10)
Safety and Industrial
Business Segment Information
Increase (decrease) in net sales due to additional actions impacting business segment reporting	(35)
Increase (decrease) in operating income due to additional actions impacting business segment reporting	(11)
Consumer
Business Segment Information
Increase (decrease) in net sales due to additional actions impacting business segment reporting	35
Increase (decrease) in operating income due to additional actions impacting business segment reporting	11
Elimination of Dual Credit
Business Segment Information
Increase (decrease) in net sales due to continued alignment of customer account activity	(42)
Increase (decrease) in operating income due to continued alignment of customer account activity	$ (10)

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Business Segments - Business Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Business Segment Information
Net sales	$ 8,350	$ 7,991	$ 23,601	$ 24,025
Operating Income	1,909	2,011	5,312	4,849
Assets	45,390		45,390		$ 44,659
Depreciation and amortization			1,413	1,130
Capital expenditures			1,079	1,161
Property, Plant and Equipment - net	9,216		9,216		$ 9,333
Gain/(loss) on sale of businesses		106	389	114
Total operating expenses	6,441	5,980	18,289	19,176
Other expense (income), net	104	45	311	349
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	1,805	1,966	5,001	4,500
Business Segments.
Business Segment Information
Operating Income	2,096	1,945	5,401	5,592
Business Segments. | Safety and Industrial
Business Segment Information
Net sales	3,024	2,829	8,627	8,729
Operating Income	823	647	2,185	1,931
Business Segments. | Transportation and Electronics
Business Segment Information
Net sales	2,314	2,500	6,489	7,305
Operating Income	552	637	1,416	1,747
Business Segments. | Health Care
Business Segment Information
Net sales	2,160	1,721	6,088	5,290
Operating Income	508	459	1,270	1,401
Business Segments. | Consumer
Business Segment Information
Net sales	1,417	1,342	3,911	3,862
Operating Income	358	313	914	821
Corporate and Unallocated
Business Segment Information
Net sales		28	(1)	98
Significant litigation-related (charges)/benefits			(17)	(548)
Gain/(loss) on sale of businesses		106	389	114
Divestiture-related restructuring actions			(55)
Other corporate expense - net	(187)	(40)	(406)	(309)
Total operating expenses	(187)	66	(89)	(743)
Elimination of Dual Credit
Business Segment Information
Net sales	(565)	(429)	(1,513)	(1,259)
Operating Income	$ (145)	$ (111)	$ (384)	$ (308)