Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Consolidated Statement of Comprehensive Income
Net income including noncontrolling interest	$ 1,278	$ 1,201
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment	138	(193)
Defined benefit pension and postretirement plans adjustment	69	91
Cash flow hedging instruments - unrealized gain (loss)	(110)	70
Total other comprehensive income (loss), net of tax	97	(32)
Comprehensive income (loss) including noncontrolling interest	1,375	1,169
Comprehensive (income) loss attributable to noncontrolling interest	(2)	(2)
Comprehensive income (loss) attributable to 3M	$ 1,373	$ 1,167

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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