Supplemental Equity and Comprehensive Income Information (Tables)

6 Months Ended

Jun. 30, 2018

Supplemental Equity and Comprehensive Income Information

Consolidated Statement of Changes in Equity

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 - unrealized gain (loss)		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 - unrealized gain (loss)		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

Three months ended June 30, 2017

			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, 2017	$	11,040	$	5,198	$	38,094	$	(25,354)	$	(6,949)	$	51
Net income		1,585				1,583						2
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(67)								(67)		—
Defined benefit pension and post-retirement plans adjustment		78								78		—
Cash flow hedging instruments - unrealized gain (loss)		(51)								(51)		—
Total other comprehensive income (loss), net of tax		(40)
Dividends declared		(701)				(701)
Stock-based compensation		55		55
Reacquired stock		(475)						(475)
Issuances pursuant to stock option and benefit plans		180				(183)		363
Balance at June 30, 2017	$	11,644	$	5,253	$	38,793	$	(25,466)	$	(6,989)	$	53

Six months ended June 30, 2017

			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, 2016	$	10,343	$	5,070	$	37,907	$	(25,434)	$	(7,245)	$	45
Net income		2,911				2,906						5
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		225								222		3
Defined benefit pension and post-retirement plans adjustment		161								161		—
Cash flow hedging instruments - unrealized gain (loss)		(127)								(127)		—
Total other comprehensive income (loss), net of tax		259
Dividends declared		(1,403)				(1,403)
Stock-based compensation		183		183
Reacquired stock		(1,153)						(1,153)
Issuances pursuant to stock option and benefit plans		504				(617)		1,121
Balance at June 30, 2017	$	11,644	$	5,253	$	38,793	$	(25,466)	$	(6,989)	$	53

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

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)

Three months ended June 30, 2017

							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, 2017, net of tax:	$	(1,719)	$	(5,245)	$	15	$	(6,949)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(167)		—		(74)		(241)
Amounts reclassified out		—		119		(5)		114
Total other comprehensive income (loss), before tax		(167)		119		(79)		(127)
Tax effect		100		(41)		28		87
Total other comprehensive income (loss), net of tax		(67)		78		(51)		(40)
Balance at June 30, 2017, net of tax:	$	(1,786)	$	(5,167)	$	(36)	$	(6,989)

Six months ended June 30, 2017

							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, 2016, net of tax:	$	(2,008)	$	(5,328)	$	91	$	(7,245)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		59		—		(175)		(116)
Amounts reclassified out		—		238		(23)		215
Total other comprehensive income (loss), before tax		59		238		(198)		99
Tax effect		163		(77)		71		157
Total other comprehensive income (loss), net of tax		222		161		(127)		256
Balance at June 30, 2017, net of tax	$	(1,786)	$	(5,167)	$	(36)	$	(6,989)

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)	2018		2017		2018		2017		Statement
Gains (losses) associated with defined benefit pension and postretirement plans amortization
Prior service benefit	$	19	$	22	$	38	$	44	See Note 11
Net actuarial loss		(170)		(141)		(340)		(282)	See Note 11
Total before tax		(151)		(119)		(302)		(238)
Tax effect		37		41		72		77	Provision for income taxes
Net of tax	$	(114)	$	(78)	$	(230)	$	(161)
Cash flow hedging instruments gains (losses)
Foreign currency forward/option contracts	$	(27)	$	5	$	(61)	$	23	Cost of sales
Interest rate swap contracts		(1)		—		(1)		—	Interest expense
Total before tax		(28)		5		(62)		23
Tax effect		7		(2)		15		(8)	Provision for income taxes
Net of tax	$	(21)	$	3	$	(47)	$	15
Total reclassifications for the period, net of tax	$	(135)	$	(75)	$	(277)	$	(146)