XML 74 R55.htm IDEA: XBRL DOCUMENT
v3.20.4

Regulatory Matters and Capital Adequacy (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Regulatory Matters And Capital Adequacy [Abstract] |
Regulatory capital ratios | The following table presents the regulatory capital ratios:
(Millions, except percentages) |  | CET 1 capital |  | Tier 1 capital |  | Total capital |  | CET 1 capital ratio |  | Tier 1 capital ratio |  | Total capital ratio |  | Tier 1 leverage ratio |  |
December 31, 2020: (a) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
American Express Company |  | $ | 18,693 |  |  | $ | 20,277 |  |  | $ | 22,385 |  |  | 13.5 | % |  | 14.7 | % |  | 16.2 | % |  | 11.0 | % |  |
American Express National Bank |  | $ | 14,617 |  |  | $ | 14,617 |  |  | $ | 16,578 |  |  | 16.2 | % |  | 16.2 | % |  | 18.3 | % |  | 10.9 | % |  |
December 31, 2019:(a) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
American Express Company |  | $ | 18,056 |  |  | $ | 19,628 |  |  | $ | 22,213 |  |  | 10.7 | % |  | 11.6 | % |  | 13.2 | % |  | 10.2 | % |  |
American Express National Bank |  | $ | 13,600 |  |  | $ | 13,600 |  |  | $ | 15,688 |  |  | 13.4 | % |  | 13.4 | % |  | 15.4 | % |  | 11.1 | % |  |
Well-capitalized ratios(b) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
American Express Company |  |  |  |  |  |  |  | N/A |  | 6.0 | % |  | 10.0 | % |  | N/A |  |
American Express National Bank |  |  |  |  |  |  |  | 6.5 | % |  | 8.0 | % |  | 10.0 | % |  | 5.0 | % |  |
Effective Minimum(c) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
American Express Company |  |  |  |  |  |  |  | 7.0 | % |  | 8.5 | % |  | 10.5 | % |  | 4.0 | % |  |
American Express National Bank |  |  |  |  |  |  |  | 7.0 | % |  | 8.5 | % |  | 10.5 | % |  | 4.0 | % |  |
Minimum capital ratios(d) |  |  |  |  |  |  |  | 4.5 | % |  | 6.0 | % |  | 8.0 | % |  | 4.0 | % |  |
(a)Capital ratios reported using Basel III capital definitions and risk-weighted assets using the Basel III standardized approach. (b)Represents requirements for bank holding companies and banking subsidiaries to be considered “well capitalized” pursuant to regulations issued under the Federal Reserve Regulation Y and the Federal Deposit Insurance Corporation Improvement Act, respectively. There is no CET1 capital ratio or Tier 1 leverage ratio requirement for a bank holding company to be considered “well capitalized.” (c)Represents Basel III minimum capital requirement and applicable regulatory buffers as defined by the federal banking regulators, which includes the stress capital buffer for American Express Company and the capital conservation buffer for American Express National Bank. (d)As defined by the regulations issued by the Federal Reserve and OCC.

X
- Definition Regulatory matters and capital adequacy. + References No definition available. + Details
Name: | axp_RegulatoryMattersAndCapitalAdequacyAbstract
Namespace Prefix: | axp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 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 + Details
Name: | us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration