Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current assets
Allowances for doubtful accounts receivable	$ 209	$ 189
3M Company shareholders’ equity:
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares issued (in shares)	944,033,056	944,033,056
Common stock, Shares outstanding (in shares)	569,058,849	571,845,478
Treasury stock (in shares)	374,974,207	372,187,578