Supplemental Equity and Comprehensive Income Information (Tables)

6 Months Ended

Jun. 30, 2016

Three months ended June 30, 2016


			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, 2016	$	11,774	$	4,925	$	36,785	$	(23,716)	$	(6,261)	$	41

Net income		1,293				1,291						2
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		37								37		—
Defined benefit pension and post-retirement plans adjustment		67								67		—
Debt and equity securities - unrealized gain (loss)		—								—		—
Cash flow hedging instruments - unrealized gain (loss)		(27)								(27)		—
Total other comprehensive income (loss), net of tax		77
Dividends declared		(672)				(672)
Stock-based compensation		47		47
Reacquired stock		(837)						(837)
Issuances pursuant to stock option and benefit plans		255				(210)		465
Balance at June 30, 2016	$	11,937	$	4,972	$	37,194	$	(24,088)	$	(6,184)	$	43

Six months ended June 30, 2016


			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, 2015	$	11,747	$	4,800	$	36,575	$	(23,308)	$	(6,359)	$	39

Net income		2,571				2,566						5
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		175								176		(1)
Defined benefit pension and post-retirement plans adjustment		136								136		—
Debt and equity securities - unrealized gain (loss)		—								—		—
Cash flow hedging instruments - unrealized gain (loss)		(137)								(137)		—
Total other comprehensive income (loss), net of tax		174
Dividends declared		(1,344)				(1,344)
Stock-based compensation		172		172
Reacquired stock		(2,000)						(2,000)
Issuances pursuant to stock option and benefit plans		617				(603)		1,220
Balance at June 30, 2016	$	11,937	$	4,972	$	37,194	$	(24,088)	$	(6,184)	$	43

Three months ended June 30, 2015


			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, 2015	$	13,952	$	4,616	$	35,080	$	(19,458)	$	(6,321)	$	35

Net income		1,303				1,300						3
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		23								24		(1)
Defined benefit pension and post-retirement plans adjustment		96								96		—
Debt and equity securities - unrealized gain (loss)		—								—		—
Cash flow hedging instruments - unrealized gain (loss)		(32)								(32)		—
Total other comprehensive income (loss), net of tax		87
Dividends declared		(646)				(646)
Stock-based compensation, net of tax impacts		78		78
Reacquired stock		(1,787)						(1,787)
Issuances pursuant to stock option and benefit plans		143				(119)		262
Balance at June 30, 2015	$	13,130	$	4,694	$	35,615	$	(20,983)	$	(6,233)	$	37

Six months ended June 30, 2015


			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, 2014	$	13,142	$	4,388	$	34,317	$	(19,307)	$	(6,289)	$	33

Net income		2,504				2,499						5
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(170)								(169)		(1)
Defined benefit pension and post-retirement plans adjustment		187								187		—
Debt and equity securities - unrealized gain (loss)		—								—		—
Cash flow hedging instruments - unrealized gain (loss)		38								38		—
Total other comprehensive income (loss), net of tax		55
Dividends declared		(649)				(649)
Stock-based compensation, net of tax impacts		306		306
Reacquired stock		(2,683)						(2,683)
Issuances pursuant to stock option and benefit plans		455				(552)		1,007
Balance at June 30, 2015	$	13,130	$	4,694	$	35,615	$	(20,983)	$	(6,233)	$	37

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

Three months ended June 30, 2016


									Total
			Defined Benefit		Debt and		Cash Flow		Accumulated
			Pension and		Equity		Hedging		Other
	Cumulative		Postretirement		Securities,		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		Gain (Loss)		(Loss)
Balance at March 31, 2016, net of tax:	$	(1,540)	$	(4,735)	$	—	$	14	$	(6,261)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		59		—		—		(15)		44
Amounts reclassified out		—		101		—		(28)		73
Total other comprehensive income (loss), before tax		59		101		—		(43)		117
Tax effect		(22)		(34)		—		16		(40)
Total other comprehensive income (loss), net of tax		37		67		—		(27)		77
Balance at June 30, 2016, net of tax:	$	(1,503)	$	(4,668)	$	—	$	(13)	$	(6,184)

Six months ended June 30, 2016


									Total
			Defined Benefit		Debt and		Cash Flow		Accumulated
			Pension and		Equity		Hedging		Other
	Cumulative		Postretirement		Securities,		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		Gain (Loss)		(Loss)
Balance at December 31, 2015, net of tax:	$	(1,679)	$	(4,804)	$	—	$	124	$	(6,359)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		119		—		—		(136)		(17)
Amounts reclassified out		—		204		—		(80)		124
Total other comprehensive income (loss), before tax		119		204		—		(216)		107
Tax effect		57		(68)		—		79		68
Total other comprehensive income (loss), net of tax		176		136		—		(137)		175
Balance at June 30, 2016, net of tax:	$	(1,503)	$	(4,668)	$	—	$	(13)	$	(6,184)

Three months ended June 30, 2015


									Total
			Defined Benefit		Debt and		Cash Flow		Accumulated
			Pension and		Equity		Hedging		Other
	Cumulative		Postretirement		Securities,		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		Gain (Loss)		(Loss)
Balance at March 31, 2015, net of tax:	$	(1,288)	$	(5,202)	$	—	$	169	$	(6,321)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(12)		—		—		(16)		(28)
Amounts reclassified out		—		141		—		(34)		107
Total other comprehensive income (loss), before tax		(12)		141		—		(50)		79
Tax effect		36		(45)		—		18		9
Total other comprehensive income (loss), net of tax		24		96		—		(32)		88
Balance at June 30, 2015, net of tax:	$	(1,264)	$	(5,106)	$	—	$	137	$	(6,233)

Six months ended June 30, 2015


									Total
			Defined Benefit		Debt and		Cash Flow		Accumulated
			Pension and		Equity		Hedging		Other
	Cumulative		Postretirement		Securities,		Instruments,		Comprehensive
	Translation		Plans		Unrealized		Unrealized		Income
(Millions)	Adjustment		Adjustment		Gain (Loss)		Gain (Loss)		(Loss)
Balance at December 31, 2014, net of tax:	$	(1,095)	$	(5,293)	$	—	$	99	$	(6,289)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(56)		24		—		120		88
Amounts reclassified out		—		265		—		(61)		204
Total other comprehensive income (loss), before tax		(56)		289		—		59		292
Tax effect		(113)		(102)		—		(21)		(236)
Total other comprehensive income (loss), net of tax		(169)		187		—		38		56
Balance at June 30, 2015, net of tax	$	(1,264)	$	(5,106)	$	—	$	137	$	(6,233)

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 June 30,				Six months ended June 30,				Location on Income
(Millions)	2016		2015		2016		2015		Statement
Gains (losses) associated with, defined benefit pension and postretirement plans amortization
Transition asset	$	1	$	1	$	1	$	1	See Note 9
Prior service benefit		24		17		47		35	See Note 9
Net actuarial loss		(126)		(159)		(252)		(318)	See Note 9
Curtailments/Settlements		—		—		—		17	See Note 9
Total before tax		(101)		(141)		(204)		(265)
Tax effect		34		45		68		91	Provision for income taxes
Net of tax	$	(67)	$	(96)	$	(136)	$	(174)

Debt and equity security gains (losses)
Sales or impairments of securities	$	—	$	—	$	—	$	—	Selling, general and administrative expenses
Total before tax		—		—		—		—
Tax effect		—		—		—		—	Provision for income taxes
Net of tax	$	—	$	—	$	—	$	—

Cash flow hedging instruments gains (losses)
Foreign currency forward/option contracts	$	28	$	35	$	81	$	65	Cost of sales
Commodity price swap contracts		—		—		—		(2)	Cost of sales
Interest rate swap contracts		—		(1)		(1)		(2)	Interest expense
Total before tax		28		34		80		61
Tax effect		(11)		(12)		(29)		(22)	Provision for income taxes
Net of tax	$	17	$	22	$	51	$	39
Total reclassifications for the period, net of tax	$	(50)	$	(74)	$	(85)	$	(135)