Consolidated Balance Sheet - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 4,636	$ 4,634
Marketable securities - current	501	404
Accounts receivable - net of allowances of $231 and $233	4,817	4,705
Inventories
Finished goods	2,215	2,081
Work in process	1,249	1,226
Raw materials and supplies	994	932
Total inventories	4,458	4,239
Prepaids	535	675
Other current assets	398	325
Total current assets	15,345	14,982
Property, plant and equipment	26,705	26,650
Less: Accumulated depreciation	(17,465)	(17,229)
Property, plant and equipment - net	9,240	9,421
Operating lease right of use assets	871	864
Goodwill	13,654	13,802
Intangible assets - net	5,697	5,835
Other assets	2,373	2,440
Total assets	47,180	47,344
Current liabilities
Short-term borrowings and current portion of long-term debt	1,368	806
Accounts payable	2,670	2,561
Accrued payroll	655	747
Accrued income taxes	277	300
Operating lease liabilities - current	267	256
Other current liabilities	3,126	3,278
Total current liabilities	8,363	7,948
Long-term debt	16,819	17,989
Pension and postretirement benefits	4,231	4,405
Operating lease liabilities	609	609
Other liabilities	3,330	3,462
Total liabilities	33,352	34,413
Commitments and contingencies (Note 14)
3M Company shareholders' equity:
Common stock par value, $.01 par value: 944,033,056 shares issued; Shares outstanding - March 31, 2021: 579,675,002; Shares outstanding - December 31, 2020: 577,749,638	9	9
Additional paid-in capital	6,283	6,162
Retained earnings	44,255	43,821
Treasury stock, at cost: Shares at March 31, 2021: 364,358,054; Shares at December 31, 2020: 366,283,418	(29,020)	(29,404)
Accumulated other comprehensive income (loss)	(7,767)	(7,721)
Total 3M Company shareholders' equity	13,760	12,867
Noncontrolling interest	68	64
Total equity	13,828	12,931
Total liabilities and equity	$ 47,180	$ 47,344