Supplemental Equity and Comprehensive Income Information (Tables)

9 Months Ended

Sep. 30, 2015

Supplemental Equity and Comprehensive Income Information

Consolidated Statement of Changes in Equity

Three months ended September 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 June 30, 2015	$	13,130	$	4,694	$	35,615	$	(20,983)	$	(6,233)	$	37
Net income		1,298				1,296						2
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(472)								(471)		(1)
Defined benefit pension and post-retirement plans adjustment		236								236		—
Debt and equity securities - unrealized gain (loss)		—								—		—
Cash flow hedging instruments - unrealized gain (loss)		1								1		—
Total other comprehensive income (loss), net of tax		(235)
Dividends declared		(635)				(635)
Stock-based compensation, net of tax impacts		46		46
Reacquired stock		(1,449)						(1,449)
Issuances pursuant to stock option and benefit plans		69				(41)		110
Balance at September 30, 2015	$	12,224	$	4,740	$	36,235	$	(22,322)	$	(6,467)	$	38

Nine months ended September 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		3,802				3,795						7
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(642)								(640)		(2)
Defined benefit pension and post-retirement plans adjustment		423								423		—
Debt and equity securities - unrealized gain (loss)		—								—		—
Cash flow hedging instruments - unrealized gain (loss)		39								39		—
Total other comprehensive income (loss), net of tax		(180)
Dividends declared		(1,284)				(1,284)
Stock-based compensation, net of tax impacts		352		352
Reacquired stock		(4,132)						(4,132)
Issuances pursuant to stock option and benefit plans		524				(593)		1,117
Balance at September 30, 2015	$	12,224	$	4,740	$	36,235	$	(22,322)	$	(6,467)	$	38

Three months ended September 30, 2014

			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, 2014	$	17,846	$	4,650	$	33,836	$	(17,466)	$	(3,666)	$	492
Net income		1,311				1,303						8
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(603)								(593)		(10)
Defined benefit pension and post-retirement plans adjustment		59								59		—
Debt and equity securities - unrealized gain (loss)		(1)								(1)		—
Cash flow hedging instruments - unrealized gain (loss)		68								68		—
Total other comprehensive income (loss), net of tax		(477)
Dividends declared		(550)				(550)
Purchase of subsidiary shares		(865)		(433)						25		(457)
Stock-based compensation, net of tax impacts		69		69
Reacquired stock		(1,283)						(1,283)
Issuances pursuant to stock option and benefit plans		155				(105)		260
Balance at September 30, 2014	$	16,206	$	4,286	$	34,484	$	(18,489)	$	(4,108)	$	33

Nine months ended September 30, 2014

			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, 2013	$	17,948	$	4,384	$	32,416	$	(15,385)	$	(3,913)	$	446
Net income		3,819				3,777						42
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment		(456)								(462)		6
Defined benefit pension and post-retirement plans adjustment		180								180		—
Debt and equity securities - unrealized gain (loss)		1								1		—
Cash flow hedging instruments - unrealized gain (loss)		61								61		—
Total other comprehensive income (loss), net of tax		(214)
Dividends declared		(1,105)				(1,105)
Purchase of subsidiary shares		(870)		(434)						25		(461)
Stock-based compensation, net of tax impacts		336		336
Reacquired stock		(4,438)						(4,438)
Issuances pursuant to stock option and benefit plans		730				(604)		1,334
Balance at September 30, 2014	$	16,206	$	4,286	$	34,484	$	(18,489)	$	(4,108)	$	33

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

Three months ended September 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 June 30, 2015, net of tax:	$	(1,264)	$	(5,106)	$	—	$	137	$	(6,233)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(477)		233		—		57		(187)
Amounts reclassified out		—		134		—		(55)		79
Total other comprehensive income (loss), before tax		(477)		367		—		2		(108)
Tax effect		6		(131)		—		(1)		(126)
Total other comprehensive income (loss), net of tax		(471)		236		—		1		(234)
Balance at September 30, 2015, net of tax:	$	(1,735)	$	(4,870)	$	—	$	138	$	(6,467)

Nine months ended September 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		(533)		257		—		177		(99)
Amounts reclassified out		—		399		—		(116)		283
Total other comprehensive income (loss), before tax		(533)		656		—		61		184
Tax effect		(107)		(233)		—		(22)		(362)
Total other comprehensive income (loss), net of tax		(640)		423		—		39		(178)
Balance at September 30, 2015, net of tax:	$	(1,735)	$	(4,870)	$	—	$	138	$	(6,467)

Three months ended September 30, 2014

									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 June 30, 2014, net of tax:	$	(57)	$	(3,594)	$	—	$	(15)	$	(3,666)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(537)		—		(1)		98		(440)
Amounts reclassified out		—		89		—		9		98
Total other comprehensive income (loss), before tax		(537)		89		(1)		107		(342)
Tax effect		(56)		(30)		—		(39)		(125)
Total other comprehensive income (loss), net of tax		(593)		59		(1)		68		(467)
Impact from purchase of subsidiary shares		41		(16)		—		—		25
Balance at September 30, 2014, net of tax:	$	(609)	$	(3,551)	$	(1)	$	53	$	(4,108)

Nine months ended September 30, 2014

									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, 2013, net of tax:	$	(188)	$	(3,715)	$	(2)	$	(8)	$	(3,913)
Other comprehensive income (loss), before tax:
Amounts before reclassifications		(403)		—		2		86		(315)
Amounts reclassified out		—		272		—		8		280
Total other comprehensive income (loss), before tax		(403)		272		2		94		(35)
Tax effect		(59)		(92)		(1)		(33)		(185)
Total other comprehensive income (loss), net of tax		(462)		180		1		61		(220)
Impact from purchase of subsidiary shares		41		(16)		—		—		25
Balance at September 30, 2014, net of tax	$	(609)	$	(3,551)	$	(1)	$	53	$	(4,108)

Reclassifications Out of Accumulated Other Comprehensive Income

	Amount Reclassified from
(Millions)	Accumulated Other Comprehensive Income
Details about Accumulated Other	Three months ended September 30,				Nine months ended September 30,				Location on Income
Comprehensive Income Components	2015		2014		2015		2014		Statement
Gains (losses) associated with, defined benefit pension and postretirement plans amortization
Transition asset	$	—	$	1	$	1	$	1	See Note 8
Prior service benefit		19		15		54		45	See Note 8
Net actuarial loss		(153)		(105)		(471)		(318)	See Note 8
Curtailments/Settlements		—		—		17		—	See Note 8
Total before tax		(134)		(89)		(399)		(272)
Tax effect		44		30		135		92	Provision for income taxes
Net of tax	$	(90)	$	(59)	$	(264)	$	(180)
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	$	55	$	(7)	$	120	$	(9)	Cost of sales
Commodity price swap contracts		—		(1)		(2)		2	Cost of sales
Interest rate swap contracts		—		(1)		(2)		(1)	Interest expense
Total before tax		55		(9)		116		(8)
Tax effect		(20)		3		(42)		3	Provision for income taxes
Net of tax	$	35	$	(6)	$	74	$	(5)
Total reclassifications for the period, net of tax	$	(55)	$	(65)	$	(190)	$	(185)

Effect of purchase of subsidiary shares on equity attributable to 3M Company shareholders

	Three months ended		Nine months ended
(Millions)	September 30, 2014		September 30, 2014
Net income attributable to 3M	$	1,303	$	3,777
Impact of purchase of subsidiary shares		(408)		(409)
Change in 3M Company shareholders' equity from net income
attributable to 3M and impact of purchase of subsidiary shares	$	895	$	3,368