XML 91 R80.htm IDEA: XBRL DOCUMENT v3.20.2
Investments - Summary of Derivative Instruments Held (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Designated as Hedging Instrument | Fair Value Hedging | Foreign currency swap contracts    
Derivative [Line Items]    
Notional value $ 853 $ 817
Designated as Hedging Instrument | Net Investment Hedging | Foreign currency swap contracts    
Derivative [Line Items]    
Notional value 526 438
Designated as Hedging Instrument | Net Investment Hedging | Foreign currency forward contracts    
Derivative [Line Items]    
Notional value 636 406
Not Designated as Hedging Instrument | Foreign currency forward contracts    
Derivative [Line Items]    
Notional value $ 495 $ 410