v3.8.0.1
Schedule II - Condensed Financial Information of Registrant (Contractual Maturities for Long-Term Debt) (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
2019 $ 1,713  
2020 1,298  
2021 564  
2022 73  
2023 and thereafter 13,524  
Long-term debt 17,172 $ 18,041
Prudential Financial    
Debt Instrument [Line Items]    
2019 1,100  
2020 1,179  
2021 400  
2022 0  
2023 and thereafter 12,625  
Long-term debt $ 15,304 $ 15,389