XML 199 R133.htm IDEA: XBRL DOCUMENT v3.22.0.1
Debt - Junior Subordinated Debt (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Apr. 30, 2017
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate in Effect Until Call Date   7.875%  
Derivative, Fixed Interest Rate 4.39% 4.39%  
Interest rate derivatives      
Debt Instrument [Line Items]      
Derivative, Maturity Date   Feb. 15, 2027  
Junior Subordinated Notes Seven Point Eight Seventy Five Percent Due in Two Thousand Forty Two      
Debt Instrument [Line Items]      
Junior Subordinated Debentures   $ 600 $ 600
Debt Instrument, Call Date, Earliest   Apr. 15, 2022  
Debt Instrument, Maturity Date   Apr. 15, 2042  
Junior Subordinated Notes Seven Point Eight Seventy Five Percent Due in Two Thousand Forty Two | Interest Rate Subsequent to Call Date [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate   5.596%  
LIBOR Plus Two Point One Two Five Percent Junior Subordinated Notes Due Two Thousand Sixty Seven      
Debt Instrument [Line Items]      
Junior Subordinated Debentures   $ 500 $ 500
Debt Instrument, Call Date, Earliest   Feb. 15, 2022  
Debt Instrument, Maturity Date   Feb. 12, 2067  
LIBOR Plus Two Point One Two Five Percent Junior Subordinated Notes Due Two Thousand Sixty Seven | Interest Rate Subsequent to Call Date [Member]      
Debt Instrument [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 2.125% 2.125%