Subsequent Events	12 Months Ended
Dec. 31, 2022
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS On January 19, 2023, the parent company issued $1.25 billion of senior fixed-to-floating rate notes with a maturity date of January 26, 2027 (the “2027 Senior Notes”) and $1.5 billion of senior fixed-to-floating rate notes with a maturity date of January 24, 2034 (the “2034 Senior Notes”). Interest is payable on the 2027 Senior Notes semi-annually in arrears at a fixed rate of 4.758% per annum, on January 26 and July 26 of each year, beginning on July 26, 2023. Beginning on January 26, 2026, interest is payable on the 2027 Senior Notes quarterly in arrears at a floating rate per annum equal to Compounded SOFR (determined with respect to each quarterly interest period using the SOFR Index as described in the Prospectus Supplement), plus 1.085%, on April 26, 2026, July 26, 2026, October 26, 2026 and at the maturity date. Interest is payable on the 2034 Senior Notes semi-annually in arrears at a fixed rate of 5.068% per annum, on January 24 and July 24 of each year, beginning on July 24, 2023. Beginning on January 24, 2033, interest is payable on the 2034 Senior Notes quarterly in arrears at a floating rate per annum equal to Compounded SOFR (determined with respect to each quarterly interest period using the SOFR Index as described in the Prospectus Supplement), plus 1.933%, on April 24, 2033, July 24, 2023, October 24, 2033 and at the maturity date.On February 7, 2023, PNC issued 1,500,000 depositary shares each representing 1/100th ownership in a share of 6.250% fixed-rate reset non-cumulative perpetual preferred stock, Series W, with a par value of $1 per share.

Subsequent Events

12 Months Ended

Dec. 31, 2022

SUBSEQUENT EVENTS On January 19, 2023, the parent company issued $1.25 billion of senior fixed-to-floating rate notes with a maturity date of January 26, 2027 (the “2027 Senior Notes”) and $1.5 billion of senior fixed-to-floating rate notes with a maturity date of January 24, 2034 (the “2034 Senior Notes”). Interest is payable on the 2027 Senior Notes semi-annually in arrears at a fixed rate of 4.758% per annum, on January 26 and July 26 of each year, beginning on July 26, 2023. Beginning on January 26, 2026, interest is payable on the 2027 Senior Notes quarterly in arrears at a floating rate per annum equal to Compounded SOFR (determined with respect to each quarterly interest period using the SOFR Index as described in the Prospectus Supplement), plus 1.085%, on April 26, 2026, July 26, 2026, October 26, 2026 and at the maturity date. Interest is payable on the 2034 Senior Notes semi-annually in arrears at a fixed rate of 5.068% per annum, on January 24 and July 24 of each year, beginning on July 24, 2023. Beginning on January 24, 2033, interest is payable on the 2034 Senior Notes quarterly in arrears at a floating rate per annum equal to Compounded SOFR (determined with respect to each quarterly interest period using the SOFR Index as described in the Prospectus Supplement), plus 1.933%, on April 24, 2033, July 24, 2023, October 24, 2033 and at the maturity date.On February 7, 2023, PNC issued 1,500,000 depositary shares each representing 1/100th ownership in a share of 6.250% fixed-rate reset non-cumulative perpetual preferred stock, Series W, with a par value of $1 per share.