| Policy liabilities | — | $245.4B | $253.6B | $273.4B | — | $309.7B | $315.9B | $326.5B |
| Cumulative Cost Basis | $182.3B | $192B | $199.9B | $210.1B | $221.2B | $227.7B | $228.2B | $231.4B |
| Total | $182.3B | $192B | $199.9B | $210.1B | $221.2B | $227.7B | $228.2B | $231.4B |
| Available for sale investments | $166.4B | $182.2B | $184.2B | $196.5B | $210.3B | $218.7B | $218.6B | $219.5B |
| PNC Risk of Loss | $106.6B | $117.4B | $124.5B | $128.7B | $135.8B | $146.3B | $151.1B | $149.1B |
| Variable Interest Entity, Nonconsolidated, Comparison of Carrying Amount of Assets and Liabilities to Maximum Loss Exposure | $90.8B | $103.9B | $109.6B | $115.5B | $124.4B | $130.7B | $135B | $138.8B |
| Debt Securities, Available-for-Sale, Unrealized Loss Position | $100.1B | $84B | $104.5B | $101.5B | $96B | $86.2B | $101.9B | $129.4B |
| Common stock, shares authorized (in shares) | 90B | 90B | 90B | 90B | 90B | 90B | 90B | 90B |
| Less than 12 months | $29.5B | $18.3B | $41.8B | $41.6B | $37.3B | $30.3B | $45.9B | $77.7B |
| 12 months or more | $70.6B | $65.7B | $62.8B | $59.9B | $58.7B | $55.9B | $56B | $51.7B |
| Total investment funds, including related parties and consolidated VIEs | $19.3B | $18.7B | $19.6B | $20.2B | $21.3B | $22.6B | $26.1B | $29B |
| Noncontrolling interests in subsidiaries | $13.1B | $13.7B | $13.7B | $14.4B | $14.5B | $16.7B | $19.2B | $19.6B |
| Gross Assets/Liabilities | $14.4B | $14.8B | $14.8B | $14.1B | $17.2B | $19.3B | $20.6B | $19.4B |
| Derivative Liability | $14.4B | $14.8B | $14.8B | $14.1B | $17.2B | $19.3B | $20.6B | $19.4B |
| Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax | $16.3B | $12B | $16.3B | $14.4B | $13.6B | $12.2B | $12.3B | $13.9B |
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss | $15.7B | $11.6B | $15.3B | $13.8B | $13.2B | $11.8B | $11.9B | $13.6B |
| Debt Instrument, Fair Value Disclosure | $9.3B | $9.7B | $10.2B | $10.2B | $11.8B | $12.5B | $13.1B | $13.5B |
| Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | $14.6B | $11B | $14B | $12.8B | $12.3B | $11.3B | $11.3B | $11.8B |
| Deferred acquisition costs, deferred sales inducements and value of business acquired | $6.7B | $7B | $7.2B | $7.6B | $8B | $8.4B | $8.6B | $8.8B |
| Derivative, gross, assets | $7.5B | $7.5B | $8.2B | $6.2B | $6.9B | $8.9B | $9.2B | $8.4B |
| Derivatives, gross, liabilities | $3.2B | $2.8B | $3.6B | $3.4B | $4.9B | $4.9B | $5.7B | $5.8B |
| Cumulative revenues recognized if existing investments become worthless | $5.4B | $5.4B | $5.5B | $5.5B | $5.6B | $6B | $6B | $5.6B |
| Derivative Asset, Net | $3.5B | $4.4B | $4.5B | $2.8B | $3.7B | $6B | $6.4B | $5.4B |
| Margin cash collateral received from counterparties that was not offset against derivative assets | $6B | $5.3B | $5.9B | $4.2B | $3.7B | $6.2B | $5.9B | $5.3B |
| Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk | $3.4B | $4.1B | $3.7B | $4.1B | $4.2B | $4.6B | $4.7B | $4.8B |
| Market Risk Benefit, before Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change | — | $4B | $3.6B | $4B | — | $4.3B | $4.5B | $4.8B |
| Market Risk Benefit, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change | $3.3B | $4B | $3.7B | $4B | — | $4.5B | $4.6B | $4.7B |
| Share Repurchase Program, Authorized, Amount | — | — | — | — | — | — | — | $4B |
| Payables for repurchase agreements | $3.9B | $2.7B | $5.7B | $3.1B | $3.5B | $2.8B | $6B | $3.2B |
| Performance allocations | — | — | $3.3B | — | — | $3.6B | $3.6B | $3.1B |
| Securities Collateral Held /Pledged Under Master Netting Agreements | $1.9B | $1.7B | $2.2B | $1.8B | $2.5B | $2.4B | $2.6B | $2.7B |
| Securities Collateral Held /Pledged Under Master Netting Agreements | $1.9B | $1.7B | $2.2B | $1.8B | $2.5B | $2.4B | $2.6B | $2.7B |
| Gross Unrealized Gains | $1.1B | $2.9B | $1.3B | $1.5B | $3.4B | $3.9B | $3.5B | $2.7B |
| Margin cash collateral provided to counterparties that was not offset against derivative assets or liabilities | $1.8B | $1.1B | $1.3B | $1.4B | $2B | $2B | $2.5B | $2.6B |
| Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | $1.1B | $599M | $1.3B | $965M | $939M | $549M | $665M | $1.8B |
| Profit Sharing Payable | $1.8B | $1.9B | $1.9B | $1.9B | $1.9B | $2.1B | $2B | $1.7B |
| Deferred tax assets, tax credit carryforwards, foreign | — | — | $66M | — | — | — | $1.7B | $1.7B |
| Debt Securities, Available-for-Sale, Allowance for Credit Loss | $671M | $678M | $709M | $709M | $761M | $783M | $758M | $744M |
| Off-balance sheet securities collateral | $2M | $1M | $2M | $243M | $209M | $269M | $561M | $591M |
| Common stock, shares issued (in shares) | 569.5M | 565.8M | 565.7M | 570.4M | 572M | 580.4M | 579M | 576.5M |
| Common Stock, Shares, Outstanding | 569.5M | 565.8M | 565.7M | 570.4M | 572M | 580.4M | 579M | 576.5M |
| Derivative Liability, Including Not Subject To Master Netting Arrangement, After Offset And Deduction, Net Amount | -$420M | -$72M | $14M | $182M | $352M | $400M | $649M | $543M |
| Derivative Asset, Including Not Subject To Master Netting Arrangement, After Offset And Deduction, Net Amount | -$385M | $518M | $23M | $189M | $720M | $292M | $680M | $343M |
| Net amount after securities collateral | -$385M | $518M | $23M | $25M | $184M | $217M | -$209M | $217M |
| Asset | $371M | $313M | $313M | $285M | $277M | $223M | $214M | $183M |
| Off-balance sheet securities collateral | $0 | $0 | $0 | -$164M | -$536M | -$75M | -$889M | -$126M |
| Market Risk Benefit, Reinsurance Recoverable, after Allowance | $18M | $40M | $37M | $47M | — | $69M | $73M | $78M |
| Net amount after securities collateral | $422M | $73M | -$12M | $61M | -$143M | -$131M | -$88M | $48M |
| Effect of changes in instrument-specific credit risk | — | -$95M | -$157M | -$41M | — | -$289M | -$260M | -$44M |
| Preferred Stock, Shares Issued | 28.7M | 28.7M | 28.7M | 28.7M | 28.7M | 28.7M | 28.7M | 28.7M |
| Preferred Stock, Shares Outstanding | 28.7M | 28.7M | 28.7M | 28.7M | 28.7M | 28.7M | 28.7M | 28.7M |
| Amount that if recognized, would affect the effective tax rate or regulatory liability | $23M | $10M | $11M | $4M | $4M | $10M | $10M | $3M |
| Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions | 8317.00 | 7058.00 | 7745.00 | 7495.00 | 6857.00 | 6278.00 | 6492.00 | 7170.00 |
| Number of Securities, Greater than 12 months | 6930.00 | 6167.00 | 6087.00 | 5728.00 | 5525.00 | 5383.00 | 5112.00 | 4965.00 |
| Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 | — | — | $173.51 | $82.73 | $82.73 | $82.73 | $82.56 | $82.56 |
| Number of investing strategies | 300.0% | 200.0% | 200.0% | 200.0% | 200.0% | 200.0% | 200.0% | 200.0% |
| Percentage of Total | — | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Common stock, par value (in dollars per share) | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Balance in trust account | — | — | $26.1B | — | — | — | $33.2B | — |
| Warrants exercisable (in shares) | — | — | 2.9M | — | 2.6M | — | — | — |
| Deferred Tax Assets, Valuation Allowance | — | — | $75M | — | — | — | $251M | — |
| Interest accrued | — | — | $4M | — | — | — | $2M | — |
| Valuation Allowances And Reserves Balance | — | — | $75M | — | — | — | $251M | — |