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Regulatory Matters (Basel Regulatory Capital) (Details) - Transitional Basel III - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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PNC |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Common equity Tier 1 Capital amount | $ 39,735 | $ 32,478
Common equity Tier 1 Capital ratio | 12.20% | 9.50%
Tier 1 Risk-based capital amount | $ 43,252 | $ 36,306
Tier 1 Risk-based capital ratio | 0.132 | 0.107
US regulatory well capitalized level - Tier 1 risk-based capital ratio | 0.060 | 0.060
Total Risk-based capital amount | $ 51,001 | $ 43,331
Total Risk-based capital ratio | 0.156 | 0.127
US regulatory well capitalized level - Total risk-based capital ratio | 0.100 | 0.100
Leverage amount | $ 43,252 | $ 36,306
Leverage ratio | 0.095 | 0.091
PNC Bank |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Common equity Tier 1 Capital amount | $ 35,232 | $ 32,215
Common equity Tier 1 Capital ratio | 11.00% | 9.90%
US regulatory well capitalized level - Common equity Tier 1 risk-based capital ratio | 6.50% | 6.50%
Tier 1 Risk-based capital amount | $ 35,232 | $ 32,215
Tier 1 Risk-based capital ratio | 0.110 | 0.099
US regulatory well capitalized level - Tier 1 risk-based capital ratio | 0.080 | 0.080
Total Risk-based capital amount | $ 42,440 | $ 39,074
Total Risk-based capital ratio | 0.132 | 0.121
US regulatory well capitalized level - Total risk-based capital ratio | 0.100 | 0.100
Leverage amount | $ 35,232 | $ 32,215
Leverage ratio | 0.079 | 0.083
US regulatory well capitalized level - Leverage ratio | 0.050 | 0.050

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- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998 + Details
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