XML 136 R79.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value Measurements - Financial Instruments Not Carried at Fair Value (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, carrying value $ 62,307 $ 225,260
Assets, fair value 41,178 40,297
Liabilities, carrying value 49,206 211,766
Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value 1,645 2,029
Significant Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value 37,071 35,950
Carrying Amount | Significant Unobservable Inputs (Level 3) | Other policyholder funds and benefits payable    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, carrying value 774 825
Carrying Amount | Significant Unobservable Inputs (Level 3) | Mortgage loans    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, carrying value 3,704 3,175
Carrying Amount | Significant Observable Inputs (Level 2) | Senior Notes    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, carrying value 3,589 3,415
Carrying Amount | Significant Observable Inputs (Level 2) | Junior Subordinated Debentures    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, carrying value 1,089 1,583
Fair Value | Significant Unobservable Inputs (Level 3) | Other policyholder funds and benefits payable    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, fair value 775 827
Fair Value | Significant Unobservable Inputs (Level 3) | Mortgage loans    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value 3,746 3,220
Fair Value | Significant Observable Inputs (Level 2) | Senior Notes    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, fair value 3,887 4,054
Fair Value | Significant Observable Inputs (Level 2) | Junior Subordinated Debentures    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, fair value $ 1,052 $ 1,699