XML 151 R129.htm IDEA: XBRL DOCUMENT v2.4.0.6
Asset Allocation for the Pension Plans and the Target Allocation, by Asset Category (Detail) (Pension Plans, Defined Benefit)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Lower Limit
Dec. 31, 2011
Upper Limit
Target Allocation 2011        
Equity securities     50.00% [1] 75.00% [1]
Debt securities     25.00% [1] 50.00% [1]
Cash equivalents     0.00% [1] 5.00% [1]
Percentage of Plan Assets        
Equity securities 61.00% [2] 60.00% [2]    
Debt securities 37.00% [2] 39.00% [2]    
Cash equivalents 2.00% [2] 1.00% [2]    
Total 100.00% [2] 100.00% [2]    
[1] SunTrust Pension Plan only.
[2] SunTrust and NCF Pension Plans.