XML 55 R44.htm IDEA: XBRL DOCUMENT
v3.21.1

Reserves for Credit Losses (Details) | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
U.S. Unemployment Rate | First quarter of 2021 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.06 |
U.S. Unemployment Rate | Minimum | First quarter of 2021 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input |  | 0.07
U.S. Unemployment Rate | Minimum | Fourth quarter of 2021 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.06 | 0.07
U.S. Unemployment Rate | Minimum | Fourth quarter of 2022 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.04 | 0.06
U.S. Unemployment Rate | Minimum | Fourth quarter of 2023 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.04 | 0.04
U.S. Unemployment Rate | Maximum | First quarter of 2021 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input |  | 0.08
U.S. Unemployment Rate | Maximum | Fourth quarter of 2021 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.09 | 0.11
U.S. Unemployment Rate | Maximum | Fourth quarter of 2022 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.11 | 0.12
U.S. Unemployment Rate | Maximum | Fourth quarter of 2023 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.10 | 0.10
U.S. GDP Growth (Contraction) | First quarter of 2021 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.03 |
U.S. GDP Growth (Contraction) | Minimum | First quarter of 2021 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input |  | 0.04
U.S. GDP Growth (Contraction) | Minimum | Fourth quarter of 2021 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.06 | 0.06
U.S. GDP Growth (Contraction) | Minimum | Fourth quarter of 2022 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.04 | 0.04
U.S. GDP Growth (Contraction) | Minimum | Fourth quarter of 2023 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.05 | 0.05
U.S. GDP Growth (Contraction) | Maximum | First quarter of 2021 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input |  | (0.05)
U.S. GDP Growth (Contraction) | Maximum | Fourth quarter of 2021 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | (0.02) | (0.02)
U.S. GDP Growth (Contraction) | Maximum | Fourth quarter of 2022 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.02 | 0.03
U.S. GDP Growth (Contraction) | Maximum | Fourth quarter of 2023 |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable, reserves for credit losses, measurement input | 0.02 | 0.03

X
- Definition Financing Receivable, Allowance For Credit Loss, Measurement Input + References No definition available. + Details
Name: | axp_FinancingReceivableAllowanceForCreditLossMeasurementInput
Namespace Prefix: | axp_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | axp_FinancingReceivableInputTypeAxis=axp_USUnemploymentRateInputMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | axp_FinancingReceivableMeasurementInputPeriodAxis=axp_FinancingReceivableMeasurementInputPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | axp_FinancingReceivableMeasurementInputPeriodAxis=axp_FinancingReceivableMeasurementInputPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | axp_FinancingReceivableMeasurementInputPeriodAxis=axp_FinancingReceivableMeasurementInputPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | axp_FinancingReceivableMeasurementInputPeriodAxis=axp_FinancingReceivableMeasurementInputPeriodFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | axp_FinancingReceivableInputTypeAxis=axp_USGDPGrowthContractionRateInputMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |