Supplemental Equity and Comprehensive Income Information (Tables)

6 Months Ended

Jun. 30, 2019

Consolidated Statement of Changes in Equity

Three months ended June 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 March 31, 2019	$	9,757	$	5,764	$	41,159	$	(29,668)	$	(7,552)	$	54
Net income		1,131				1,127						4
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		123								122		1
Defined benefit pension and post-retirement plans adjustment		196								196		—
Cash flow hedging instruments		(38)								(38)		—
Total other comprehensive income (loss), net of tax		281
Dividends declared		(830)				(830)
Stock-based compensation		57		57
Reacquired stock		(404)						(404)
Issuances pursuant to stock option and benefit plans		150				(94)		244
Balance at June 30, 2019	$	10,142	$	5,821	$	41,362	$	(29,828)	$	(7,272)	$	59

Six months ended June 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 (See Note 1)		—				853				(853)
Impact of adoption of ASU No. 2016-02 (See Note 1)		14				14
Net income		2,024				2,018						6
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		200								199		1
Defined benefit pension and post-retirement plans adjustment		280								280		—
Cash flow hedging instruments		(32)								(32)		—
Total other comprehensive income (loss), net of tax		448
Dividends declared		(1,660)				(1,660)
Stock-based compensation		169		169
Reacquired stock		(1,070)						(1,070)
Issuances pursuant to stock option and benefit plans		369				(499)		868
Balance at June 30, 2019	$	10,142	$	5,821	$	41,362	$	(29,828)	$	(7,272)	$	59

Three months ended June 30, 2018

			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 March 31, 2018	$	11,039	$	5,505	$	38,453	$	(26,178)	$	(6,803)	$	62
Net income		1,862				1,857						5
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(496)								(492)		(4)
Defined benefit pension and post-retirement plans adjustment		114								114		—
Cash flow hedging instruments		162								162		—
Total other comprehensive income (loss), net of tax		(220)
Dividends declared		(802)				(802)
Stock-based compensation		54		54
Reacquired stock		(1,591)						(1,591)
Issuances pursuant to stock option and benefit plans		86				(66)		152
Balance at June 30, 2018	$	10,428	$	5,559	$	39,442	$	(27,617)	$	(7,019)	$	63

Six months ended June 30, 2018

			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, 2017	$	11,622	$	5,361	$	39,115	$	(25,887)	$	(7,026)	$	59
Net income		2,468				2,459						9
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(329)								(324)		(5)
Defined benefit pension and post-retirement plans adjustment		230								230		—
Cash flow hedging instruments		101								101		—
Total other comprehensive income (loss), net of tax		2
Dividends declared		(1,612)				(1,612)
Stock-based compensation		198		198
Reacquired stock		(2,563)						(2,563)
Issuances pursuant to stock option and benefit plans		313				(520)		833
Balance at June 30, 2018	$	10,428	$	5,559	$	39,442	$	(27,617)	$	(7,019)	$	63

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

Three months ended June 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 March 31, 2019, net of tax:	$	(2,034)	$	(5,565)	$	47	$	(7,552)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(40)		153		(30)		83
Amounts reclassified out		142		105		(20)		227
Total other comprehensive income (loss), before tax		102		258		(50)		310
Tax effect		20		(62)		12		(30)
Total other comprehensive income (loss), net of tax		122		196		(38)		280
Balance at June 30, 2019, net of tax:	$	(1,912)	$	(5,369)	$	9	$	(7,272)

Six months ended June 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 (See Note 1)		(13)		(817)		(23)		(853)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		63		153		(17)		199
Amounts reclassified out		142		209		(27)		324
Total other comprehensive income (loss), before tax		205		362		(44)		523
Tax effect		(6)		(82)		12		(76)
Total other comprehensive income (loss), net of tax		199		280		(32)		447
Balance at June 30, 2019, net of tax:	$	(1,912)	$	(5,369)	$	9	$	(7,272)

Three months ended June 30, 2018

							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 March 31, 2018, net of tax:	$	(1,470)	$	(5,160)	$	(173)	$	(6,803)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(411)		—		182		(229)
Amounts reclassified out		—		151		28		179
Total other comprehensive income (loss), before tax		(411)		151		210		(50)
Tax effect		(81)		(37)		(48)		(166)
Total other comprehensive income (loss), net of tax		(492)		114		162		(216)
Balance at June 30, 2018, net of tax:	$	(1,962)	$	(5,046)	$	(11)	$	(7,019)

Six months ended June 30, 2018

							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, 2017, net of tax:	$	(1,638)	$	(5,276)	$	(112)	$	(7,026)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(282)		—		100		(182)
Amounts reclassified out		—		302		62		364
Total other comprehensive income (loss), before tax		(282)		302		162		182
Tax effect		(42)		(72)		(61)		(175)
Total other comprehensive income (loss), net of tax		(324)		230		101		7
Balance at June 30, 2018, net of tax	$	(1,962)	$	(5,046)	$	(11)	$	(7,019)

Reclassifications Out of Accumulated Other Comprehensive Income

	Amount Reclassified from
Details about Accumulated Other	Accumulated Other Comprehensive Income
Comprehensive Income Components	Three months ended June 30,				Six months ended June 30,				Location on Income
(Millions)	2019		2018		2019		2018		Statement
Cumulative translation adjustment
Deconsolidation of Venezuelan subsidiary	$	(142)	$	—	$	(142)	$	—	Other income (expense), net
Total before tax		(142)		—		(142)		—
Tax effect		—		—		—		—	Provision for income taxes
Net of tax	$	(142)	$	—	$	(142)	$	—
Defined benefit pension and postretirement plans adjustments
Gains (losses) associated with defined benefit pension and postretirement plans amortization
Prior service benefit	$	16	$	19	$	32	$	38	See Note 11
Net actuarial loss		(119)		(170)		(239)		(340)	See Note 11
Deconsolidation of Venezuelan subsidiary		(2)		—		(2)		—	Other income (expense), net
Total before tax		(105)		(151)		(209)		(302)
Tax effect		25		37		45		72	Provision for income taxes
Net of tax	$	(80)	$	(114)	$	(164)	$	(230)
Cash flow hedging instruments gains (losses)
Foreign currency forward/option contracts	$	21	$	(27)	$	28	$	(61)	Cost of sales
Interest rate swap contracts		(1)		(1)		(1)		(1)	Interest expense
Total before tax		20		(28)		27		(62)
Tax effect		(4)		7		(5)		15	Provision for income taxes
Net of tax	$	16	$	(21)	$	22	$	(47)
Total reclassifications for the period, net of tax	$	(206)	$	(135)	$	(284)	$	(277)