Schedule II - Condensed Financial Information of Registrant (Short and Long-Term Debt) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Short-term debt	$ 1,933	$ 2,451
Long-term debt	$ 18,646	$ 17,378
Commercial Paper, Weighted Average Interest Rate	1.61%	2.41%
Senior notes
Debt Instrument [Line Items]
Short-term debt	$ 1,179	$ 1,100
Commercial Paper
Debt Instrument [Line Items]
Short-term debt	549	742
Current portion of long-term debt
Debt Instrument [Line Items]
Short-term debt	1,371	1,656
Prudential Financial
Debt Instrument [Line Items]
Short-term debt	1,204	1,115
Long-term debt	17,430	16,141
Prudential Financial \| Commercial Paper
Debt Instrument [Line Items]
Short-term debt	$ 25	$ 15
Commercial Paper, Weighted Average Interest Rate	1.71%	2.45%
Prudential Financial \| Current portion of long-term debt
Debt Instrument [Line Items]
Short-term debt	$ 1,179	$ 1,100
Prudential Financial \| Junior subordinated debt
Debt Instrument [Line Items]
Long-term debt	$ 7,518	7,511
Prudential Financial \| Minimum \| Junior subordinated debt
Debt Instrument [Line Items]
Interest Rate	4.50%
Prudential Financial \| Maximum \| Junior subordinated debt
Debt Instrument [Line Items]
Interest Rate	5.88%
Fixed rate \| Prudential Financial \| Senior notes
Debt Instrument [Line Items]
Long-term debt	$ 9,912	8,601
Fixed rate \| Prudential Financial \| Minimum \| Senior notes
Debt Instrument [Line Items]
Interest Rate	1.35%
Fixed rate \| Prudential Financial \| Maximum \| Senior notes
Debt Instrument [Line Items]
Interest Rate	6.63%
Floating rate debt \| Prudential Financial \| Senior notes
Debt Instrument [Line Items]
Long-term debt	$ 0	$ 29
Floating rate debt \| Prudential Financial \| Minimum \| Senior notes
Debt Instrument [Line Items]
Interest Rate	4.04%
Floating rate debt \| Prudential Financial \| Maximum \| Senior notes
Debt Instrument [Line Items]
Interest Rate	4.95%

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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