XML 97 R86.htm IDEA: XBRL DOCUMENT v3.20.2
Fair Value Measurements - Additional Information on Separate Account Assets Priced at NAV (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Unfunded Commitments $ 50  
Recurring    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 165 $ 184
Separate Account Assets    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Unfunded Commitments 283  
Separate Account Assets | Recurring | NAV    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 736 756
Securities partnerships | Separate Account Assets    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Unfunded Commitments 283  
Securities partnerships | Separate Account Assets | Recurring | NAV    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 511 531
Real estate funds | Separate Account Assets    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Unfunded Commitments $ 0  
Real estate funds | Separate Account Assets | Minimum    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Redemption Notice Period 30 days  
Real estate funds | Separate Account Assets | Maximum    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Redemption Notice Period 90 days  
Real estate funds | Separate Account Assets | Recurring | NAV    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 221 220
Hedge funds | Separate Account Assets    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Unfunded Commitments $ 0  
Hedge funds | Separate Account Assets | Minimum    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Redemption Notice Period 30 days  
Hedge funds | Separate Account Assets | Maximum    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Redemption Notice Period 90 days  
Hedge funds | Separate Account Assets | Recurring | NAV    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 4 $ 5