Schedule II - Condensed Financial Information of Registrant (Narratives) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2013
Schedule II Narrative [Line Items]
Increase (Decrease) In Interest Expense, Derivative Instruments	$ 1,550,000,000	$ 1,420,000,000	$ 1,327,000,000
Prudential Financial
Schedule II Narrative [Line Items]
Increase (Decrease) In Interest Expense, Derivative Instruments	1,161,000,000	1,087,000,000	1,057,000,000
Derivatives | Prudential Financial
Schedule II Narrative [Line Items]
Increase (Decrease) In Interest Expense, Derivative Instruments	0	$ 0	$ 1,000,000
Commercial Paper | Prudential Financial
Schedule II Narrative [Line Items]
Guarantee obligation	524,000,000
Investee Debt | Prudential Financial
Schedule II Narrative [Line Items]
Guarantee obligation	$ 3,800,000,000
Commitments to Extend Credit | Prudential Financial
Schedule II Narrative [Line Items]
Guarantee obligation				$ 500,000,000