Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Consolidated Statement of Comprehensive Income
Net income including noncontrolling interest	$ 1,294	$ 893
Other comprehensive income (loss), net of tax:
Cumulative translation adjustment	(444)	77
Defined benefit pension and postretirement plans adjustment	119	84
Cash flow hedging instruments	47	6
Total other comprehensive income (loss), net of tax	(278)	167
Comprehensive income (loss) including noncontrolling interest	1,016	1,060
Comprehensive (income) loss attributable to noncontrolling interest	1	(2)
Comprehensive income (loss) attributable to 3M	$ 1,017	$ 1,058

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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