Schedule II - Condensed Financial Information of Registrant Schedule II - Condensed Financial Information of Registrant (Organization and Presentation) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Condensed Cash Flow Statements, Captions [Line Items]
Treasury stock shares issued	$ 454
Prudential Financial
Condensed Cash Flow Statements, Captions [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	1,758	$ 0	$ 0
Acquisition
Condensed Cash Flow Statements, Captions [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	1,755	0	64
Treasury stock shares issued	454	$ 0	$ 0
Acquisition | Prudential Financial
Condensed Cash Flow Statements, Captions [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	1,758
Treasury stock shares issued	$ 454