Consolidated Balance Sheet (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 3,376	$ 3,377
Marketable securities - current	1,486	1,101
Accounts receivable - net	4,259	3,615
Inventories
Finished goods	1,652	1,476
Work in process	1,088	950
Raw materials and supplies	864	729
Total inventories	3,604	3,155
Other current assets	944	967
Total current assets	13,669	12,215
Marketable securities - non-current	443	540
Investments	162	146
Property, plant and equipment	21,038	20,253
Less: Accumulated depreciation	(13,529)	(12,974)
Property, plant and equipment - net	7,509	7,279
Goodwill	7,140	6,820
Intangible assets - net	1,952	1,820
Prepaid pension benefits	87	74
Other assets	1,153	1,262
Total assets	32,115	30,156
Current liabilities
Short-term borrowings and current portion of long-term debt	1,204	1,269
Accounts payable	1,689	1,662
Accrued payroll	654	778
Accrued income taxes	421	358
Other current liabilities	2,197	2,022
Total current liabilities	6,165	6,089
Long-term debt	4,955	4,183
Pension and postretirement benefits	1,704	2,013
Other liabilities	1,879	1,854
Total liabilities	14,703	14,139
Commitments and contingencies (Note 11)
3M Company shareholders' equity:
Common stock par value, $.01 par value, 944,033,056 shares issued	9	9
Additional paid-in capital	3,725	3,468
Retained earnings	27,784	25,995
Treasury stock, at cost: 243,188,375 shares at Sept. 30, 2011; 232,055,448 shares at Dec. 31, 2010	(11,211)	(10,266)
Accumulated other comprehensive income (loss)	(3,339)	(3,543)
Total 3M Company shareholders' equity	16,968	15,663
Noncontrolling interest	444	354
Total equity	17,412	16,017
Total liabilities and equity	$ 32,115	$ 30,156