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Stock-Based Incentive Compensation Plans (Tables)
3 Months Ended
Mar. 31, 2012
Notes to Financial Statements [Abstract]  
Stock Based Awards Granted Table [Text Block]
            
Awards   
10-year LNC stock options   828,674 
Performance shares  278,943 
SARs   80,225 
Restricted stock units  604,226 
Non-employee:   
 Agent stock options  99,268 
 Director stock options  51,140 
 Director restricted stock units  10,128