Rendering

Component: (Network and Table)
Network
004121 - Disclosure - Fair Value Measurements (Details 1)
(http://www.mmm.com/role/DisclosureFairValueMeasurementsDetails1)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000066740 (http://www.sec.gov/CIK)
Fair Value MeasurementsPeriod [Axis]
2013-01-01 - 2013-12-31
2012-01-01 - 2012-12-31
2011-01-01 - 2011-12-31
Fair Value Measurements
 
 
 
Reconciliation of items measured at fair value on a recurring basis that used significant unobservable inputs (Level 3)
 
 
 
Balance at the beginning of the period
7,000,000  
4,000,000  
7,000,000  
Total gains or losses included in earnings
0  
0  
0  
Total gains or losses included in other comprehensive income
4,000,000  
3,000,000  
(3,000,000) 
Purchases, issuances, and settlements
0  
0  
0  
Transfers in and/or out of Level 3
0  
0  
0  
Balance at the end of the period
11,000,000  
 
7,000,000  
 
4,000,000  
 
Change in unrealized gains or losses for the period included in earnings for securities held at the end of the reporting period
0  
0  
0