Regulatory Matters (Regulatory Capital) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2014
Bank Holding Company [Member] | Basel I [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 Risk-based capital amount	$ 33,612,000,000
Tier 1 Risk-based capital ratio	12.40%
Total Risk-based capital amount	42,950,000,000
Total Risk-based capital ratio	15.80%
Leverage amount	33,612,000,000
Leverage ratio	11.10%
Bank Holding Company [Member] | Transitional Basel III [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 Risk-based capital amount		35,687,000,000
Tier 1 Risk-based capital ratio		12.60%
Total Risk-based capital amount		44,782,000,000
Total Risk-based capital ratio		15.80%
Leverage amount		35,687,000,000
Leverage ratio		10.80%
PNC Bank | Basel I [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 Risk-based capital amount	28,731,000,000
Tier 1 Risk-based capital ratio	11.00%
Total Risk-based capital amount	37,575,000,000
Total Risk-based capital ratio	14.30%
Leverage amount	28,731,000,000
Leverage ratio	9.80%
PNC Bank | Transitional Basel III [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 Risk-based capital amount		29,328,000,000
Tier 1 Risk-based capital ratio		10.70%
Total Risk-based capital amount		37,559,000,000
Total Risk-based capital ratio		13.70%
Leverage amount		$ 29,328,000,000
Leverage ratio		9.20%