XML 98 R84.htm IDEA: XBRL DOCUMENT v3.20.4
Debt (Aggregate Maturity Of Debt Obligations) (Detail)
$ in Millions
Dec. 31, 2020
USD ($)
Corporate debt [Member]  
Debt Instrument [Line Items]  
2021 $ 0
2022 0
2023 0
2024 0
2025 46
Thereafter 262
Total 308
Surplus Notes due 2033 [Member]  
Debt Instrument [Line Items]  
2021 0
2022 0
2023 0
2024 0
2025 0
Thereafter 940
Total 940
Total debt obligations due [Member]  
Debt Instrument [Line Items]  
2021 0
2022 0
2023 0
2024 0
2025 46
Thereafter 1,202
Total $ 1,248