XML 79 R67.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value of Assets and Liabilities (Quantitative Info for Level 3 Inputs) (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Corporate securities $ 5,374 $ 5,154
Future policy benefits 260,435 257,317
Fair Value, Measurements, Recurring    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Future policy benefits $ 6,585 8,720
Level 3 | Minimum    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Fair Value Inputs, Policyholder Age 35 years  
Level 3 | Minimum | Future Policy Benefits    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Mortality rate 0.00%  
Level 3 | Maximum    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Fair Value Inputs, Policyholder Age 90 years  
Level 3 | Fair Value, Measurements, Recurring    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Future policy benefits $ 6,585 $ 8,720
Level 3 | Internal | Minimum | Discounted cash flow | Future Policy Benefits    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Lapse rate 1.00% 1.00%
Spread over LIBOR 0.19% 0.12%
Utilization rate 54.00% 52.00%
Withdrawal rate (greater than maximum range) 78.00% 78.00%
Mortality rate 0.00% 0.00%
Equity volatility curve 15.00% 13.00%
Level 3 | Internal | Minimum | Discounted cash flow | Corporate securities    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Discount rate 0.63% 0.65%
Level 3 | Internal | Minimum | Discounted cash flow | Separate Accounts Commercial Mortgage Loan    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Fair value inputs credit risk 1.05% 1.08%
Level 3 | Internal | Minimum | Market comparables | Corporate securities    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
EBITDA multiples 4.5 7.4
Level 3 | Internal | Minimum | Liquidation | Corporate securities    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Liquidation value 6.40% 13.10%
Level 3 | Internal | Maximum | Discounted cash flow | Future Policy Benefits    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Lapse rate 13.00% 12.00%
Spread over LIBOR 1.28% 1.10%
Utilization rate 97.00% 97.00%
Withdrawal rate (greater than maximum range) 100.00% 100.00%
Mortality rate 15.00% 14.00%
Equity volatility curve 22.00% 24.00%
Level 3 | Internal | Maximum | Discounted cash flow | Corporate securities    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Discount rate 20.82% 22.00%
Level 3 | Internal | Maximum | Discounted cash flow | Separate Accounts Commercial Mortgage Loan    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Fair value inputs credit risk 2.73% 2.78%
Level 3 | Internal | Maximum | Market comparables | Corporate securities    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
EBITDA multiples 8.0 7.4
Level 3 | Internal | Maximum | Liquidation | Corporate securities    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Liquidation value 17.80% 25.00%
Level 3 | Internal | Weighted Average | Discounted cash flow | Corporate securities    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Discount rate 7.20% 7.20%
Level 3 | Internal | Weighted Average | Discounted cash flow | Separate Accounts Commercial Mortgage Loan    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Fair value inputs credit risk 1.15% 1.20%
Level 3 | Internal | Weighted Average | Market comparables | Corporate securities    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
EBITDA multiples 6.6 7.4
Level 3 | Internal | Weighted Average | Liquidation | Corporate securities    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Liquidation value 15.24% 14.68%
Level 3 | Internal | Fair Value, Measurements, Recurring | Future Policy Benefits    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Future policy benefits $ 6,585 $ 8,720
Level 3 | Internal | Fair Value, Measurements, Recurring | Corporate securities    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Corporate securities 1,359 1,352
Level 3 | Internal | Fair Value, Measurements, Recurring | Separate Accounts Commercial Mortgage Loan    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Commercial mortgage loans $ 790 $ 821