XML 74 R113.htm IDEA: XBRL DOCUMENT v2.4.0.6
Schedule I - Summary of Investments - Other Than Investments in Related Parties Level 4 (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount $ 27,537,210
Summary of Investments, Other than Investments in Related Parties, Cost 25,094,125
Mortgage Loans on Real Estate [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 2,623,940
Summary of Investments, Other than Investments in Related Parties, Cost 2,623,940
Summary of Investments, Other than Investments in Related Parties, Fair Value 2,848,235
Derivative Financial Instruments, Assets [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 415,258
Summary of Investments, Other than Investments in Related Parties, Cost 196,106
Summary of Investments, Other than Investments in Related Parties, Fair Value 415,258
Other Long-term Investments [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 196,366
Summary of Investments, Other than Investments in Related Parties, Cost 196,366
Fixed Maturities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 24,248,224
Summary of Investments, Other than Investments in Related Parties, Cost 22,033,115
Summary of Investments, Other than Investments in Related Parties, Fair Value 24,233,657
Fixed Maturities [Member] | Available-for-sale Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 24,172,136
Summary of Investments, Other than Investments in Related Parties, Cost 21,957,027
Summary of Investments, Other than Investments in Related Parties, Fair Value 24,172,136
Equity Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 53,422
Summary of Investments, Other than Investments in Related Parties, Cost 44,598
Summary of Investments, Other than Investments in Related Parties, Fair Value 53,422
Equity Securities [Member] | Nonredeemable Preferred Stock [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 30,120
Summary of Investments, Other than Investments in Related Parties, Cost 29,955
Summary of Investments, Other than Investments in Related Parties, Fair Value 30,120
Equity Securities [Member] | Banks, Trust and Insurance, Equities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 23,302
Summary of Investments, Other than Investments in Related Parties, Cost 14,643
Summary of Investments, Other than Investments in Related Parties, Fair Value 23,302
Available-for-sale Securities [Member] | Fixed Maturities [Member] | US Treasury Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 5,154
Summary of Investments, Other than Investments in Related Parties, Cost 4,590
Summary of Investments, Other than Investments in Related Parties, Fair Value 5,154
Available-for-sale Securities [Member] | Fixed Maturities [Member] | US Government Agencies Debt Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 1,772,025
Summary of Investments, Other than Investments in Related Parties, Cost 1,763,789
Summary of Investments, Other than Investments in Related Parties, Fair Value 1,772,025
Available-for-sale Securities [Member] | Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 3,578,323
Summary of Investments, Other than Investments in Related Parties, Cost 3,116,678
Summary of Investments, Other than Investments in Related Parties, Fair Value 3,578,323
Available-for-sale Securities [Member] | Fixed Maturities [Member] | Foreign Government Debt Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 105,259
Summary of Investments, Other than Investments in Related Parties, Cost 86,099
Summary of Investments, Other than Investments in Related Parties, Fair Value 105,259
Available-for-sale Securities [Member] | Fixed Maturities [Member] | Corporate Debt Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 14,466,772
Summary of Investments, Other than Investments in Related Parties, Cost 12,930,173
Summary of Investments, Other than Investments in Related Parties, Fair Value 14,466,772
Available-for-sale Securities [Member] | Fixed Maturities [Member] | Residential Mortgage Backed Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 2,888,113
Summary of Investments, Other than Investments in Related Parties, Cost 2,743,537
Summary of Investments, Other than Investments in Related Parties, Fair Value 2,888,113
Available-for-sale Securities [Member] | Fixed Maturities [Member] | Commercial Mortgage Backed Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 357,982
Summary of Investments, Other than Investments in Related Parties, Cost 354,870
Summary of Investments, Other than Investments in Related Parties, Fair Value 357,982
Available-for-sale Securities [Member] | Fixed Maturities [Member] | Asset-backed Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 998,508
Summary of Investments, Other than Investments in Related Parties, Cost 957,291
Summary of Investments, Other than Investments in Related Parties, Fair Value 998,508
Held-to-maturity Securities [Member] | Fixed Maturities [Member] | Corporate Debt Securities [Member]
  
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]  
Summary of Investments, Other than Investments in Related Parties, Carrying Amount 76,088
Summary of Investments, Other than Investments in Related Parties, Cost 76,088
Summary of Investments, Other than Investments in Related Parties, Fair Value $ 61,521