|
Quarterly Data (Unaudited) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Quarterly Data (Unaudited) | ||
| Net sales | $ 7,578 | $ 7,831 |
| Cost of sales | 3,821 | 4,031 |
| Net income including noncontrolling interest | 1,201 | 1,225 |
| Net income attributable to 3M | $ 1,199 | $ 1,207 |
| Earnings per share attributable to 3M common shareholders - basic (in dollars per share) | $ 1.88 | $ 1.83 |
| Earnings per share attributable to 3M common shareholders - diluted (in dollars per share) | $ 1.85 | $ 1.79 |