Rendering

Component: (Network and Table)
Network
154 - Disclosure - Schedule of Contractual Maturities of Debt Securities Available for Sale (Detail)
(http://www.humana.com/taxonomy/role/DisclosureScheduleOfContractualMaturitiesOfDebtSecuritiesAvailableForSale)
TableInvestments Classified by Contractual Maturity Date [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000049071 (http://www.sec.gov/CIK)
Legal Entity [Axis]Entity [Domain]
Investments Classified by Contractual Maturity Date [Line Items]Period [Axis]
2013-12-31
2012-12-31
Due within one year, Amortized Cost
395,000,000  
 
Due after one year through five years, Amortized Cost
2,011,000,000  
 
Due after five years through ten years, Amortized Cost
2,759,000,000  
 
Due after ten years, Amortized Cost
1,804,000,000  
 
Mortgage and asset-backed securities, Amortized Cost
2,581,000,000  
 
Total debt securities, Amortized Cost
9,550,000,000  
 
9,119,000,000  
 
Due within one year, Fair Value
398,000,000  
 
Due after one year through five years, Fair Value
2,096,000,000  
 
Due after five years through ten years, Fair Value
2,870,000,000  
 
Due after ten years, Fair Value
1,858,000,000  
 
Mortgage and asset-backed securities, Fair Value
2,578,000,000  
 
Total debt securities, Fair Value
9,800,000,000  
 
9,847,000,000