v3.8.0.1

Short-Term and Long-Term Debt (Long-Term Debt) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Debt Instrument [Line Items] |  |
Long-term debt | $ 17,172 | $ 18,041
Surplus notes | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 840 | 840
Surplus notes | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 0 | 499
Surplus notes subject to set-off arrangements | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 5,187 | 4,403
Surplus notes subject to set-off arrangements | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 2,100 | 1,456
Senior notes | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 8,882 | 9,236
Senior notes | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 29 | 1,063
Senior notes | Debt denominated in foreign currency | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 0 | 55
Mortgages | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 226 | 177
Mortgages | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 573 | 409
Mortgages | Debt denominated in foreign currency | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 107 | 82
Mortgages | Debt denominated in foreign currency | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Long-term debt | 245 | 221
Junior subordinated debt |  |
Debt Instrument [Line Items] |  |
Long-term debt | 6,622 | 5,817
Subtotal |  |
Debt Instrument [Line Items] |  |
Long-term debt | 24,459 | 23,900
Less: assets under set-off arrangements |  |
Debt Instrument [Line Items] |  |
Long-term debt | 7,287 | 5,859
Prudential Financial |  |
Debt Instrument [Line Items] |  |
Long-term debt | 15,304 | $ 15,389
Prudential Financial | Junior subordinated debt |  |
Debt Instrument [Line Items] |  |
Long-term debt | 6,566 |
Subsidiaries | Junior subordinated debt |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 56 |
Minimum | Surplus notes | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 5.36% |
Minimum | Surplus notes subject to set-off arrangements | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 3.52% |
Minimum | Surplus notes subject to set-off arrangements | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 2.25% |
Minimum | Senior notes | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 2.30% |
Minimum | Senior notes | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 1.69% |
Minimum | Mortgages | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 0.89% |
Minimum | Mortgages | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 0.26% |
Minimum | Junior subordinated debt |  |
Debt Instrument [Line Items] |  |
Interest Rate | 4.50% |
Maximum | Surplus notes | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 8.30% |
Maximum | Surplus notes subject to set-off arrangements | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 5.26% |
Maximum | Surplus notes subject to set-off arrangements | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 2.74% |
Maximum | Senior notes | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 11.31% |
Maximum | Senior notes | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 5.49% |
Maximum | Mortgages | Fixed-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 3.85% |
Maximum | Mortgages | Floating-rate notes: |  |
Debt Instrument [Line Items] |  |
Interest Rate | 4.07% |
Maximum | Junior subordinated debt |  |
Debt Instrument [Line Items] |  |
Interest Rate | 8.88% |

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