Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Current assets
Allowances for doubtful accounts receivable	$ 45	$ 61
3M Company shareholders’ equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, issued (in shares)	944,033,056	944,033,056
Common stock, outstanding (in shares)	521,567,261	530,279,131
Treasury stock (in shares)	422,465,795	413,753,925