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v3.20.4

Segment Reporting (Narrative) (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 operating_unit segment | Jun. 30, 2020
Segment Reporting Information [Line Items] |  |
Number of reportable segments | segment | 3 |
Number of distinct operating units | operating_unit | 3 |
Discontinued Operations, Disposed of by Sale | BlackRock, Inc. |  |
Segment Reporting Information [Line Items] |  |
PNC's economic interest in BlackRock |  | 22.40%

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