Summary of Significant Accounting Policies	6 Months Ended
Jun. 30, 2015
Disclosure Text Block [Abstract]
Basis of Presentation	1. Basis of Presentation The Company American Express Credit Corporation (Credco), together with its subsidiaries, is a wholly owned subsidiary of American Express Travel Related Services Company, Inc. (TRS), which is a wholly owned subsidiary of American Express Company (American Express). American Express charge cards and American Express credit cards are collectively referred to herein as the cards. Credco is engaged in the business of financing non-interest-earning Card Member receivables arising from the use of the American Express^® Green Card, the American Express^® Gold Card, Platinum Card^®, Corporate Card and other American Express cards issued in the United States and in certain countries outside the United States. Credco also finances certain interest-earning revolving loans generated by Card Member spending on American Express credit cards issued in non-U.S. markets, although interest-earning revolving loans are primarily funded by subsidiaries of TRS other than Credco. Credco executes material transactions with its affiliates. The agreements between Credco and its affiliates provide that the parties intend that the transactions thereunder be conducted on an arm’s length basis; however, there can be no assurance that the terms of these arrangements are the same as would be negotiated between independent, unrelated parties. American Express provides Credco with financial support with respect to maintenance of its minimum overall 1.25 fixed charge coverage ratio, which is achieved by charging appropriate discount rates on the purchases of Card Member receivables and loans Credco makes from, and the interest rates on the loans Credco provides to, TRS and other American Express subsidiaries. Each monthly period, the discount and interest rates are determined to generate income for Credco that is sufficient to maintain its minimum fixed charge coverage ratio. The revenue earned by Credco from purchasing Card Member receivables and loans at a discount is reported as discount revenue on the Consolidated Statements of Income and Retained Earnings. The accompanying Consolidated Financial Statements should be read in conjunction with the consolidated financial statements in Credco’s Annual Report on Form 10-K for the year ended December 31, 2014 (Form 10-K). If not materially different, certain footnote disclosures included in the Form 10-K have been omitted from this Quarterly Report on Form 10-Q. The interim consolidated financial information in this report has not been audited. In the opinion of management, all adjustments, which consist of normal recurring adjustments necessary for a fair statement of the interim period consolidated financial information, have been made. Results of operations reported for interim periods are not necessarily indicative of results for the entire year. The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. These accounting estimates reflect the best judgment of management, but actual results could differ. Certain reclassifications of prior period amounts have been made to conform to the current period presentation. These reclassifications did not have a material impact on Credco’s financial position, results of operations or cash flows. Recently Issued Accounting Standards Accounting Standards Update (ASU) No. 2014-09, Revenue Recognition (Topic 606): Revenue from Contracts with Customers was issued on May 28, 2014. The guidance establishes the principles to apply to determine the amount and timing of revenue recognition, specifying the accounting for certain costs related to revenue, and requiring additional disclosures about the nature, amount, timing and uncertainty of revenues and related cash flows. The guidance supersedes most of the current revenue recognition requirements, and will be effective January 1, 2018, with early adoption as of January 1, 2017, permitted. Credco continues to evaluate the impact this guidance, including the method of implementation, will have on its financial position, results of operations and cash flows, among other items.

1. Basis of Presentation

The Company

American Express Credit Corporation (Credco), together with its subsidiaries, is a wholly owned subsidiary of American Express Travel Related Services Company, Inc. (TRS), which is a wholly owned subsidiary of American Express Company (American Express). American Express charge cards and American Express credit cards are collectively referred to herein as the cards.

Credco is engaged in the business of financing non-interest-earning Card Member receivables arising from the use of the American Express^® Green Card, the American Express^® Gold Card, Platinum Card^®, Corporate Card and other American Express cards issued in the United States and in certain countries outside the United States. Credco also finances certain interest-earning revolving loans generated by Card Member spending on American Express credit cards issued in non-U.S. markets, although interest-earning revolving loans are primarily funded by subsidiaries of TRS other than Credco.

Credco executes material transactions with its affiliates. The agreements between Credco and its affiliates provide that the parties intend that the transactions thereunder be conducted on an arm’s length basis; however, there can be no assurance that the terms of these arrangements are the same as would be negotiated between independent, unrelated parties.

American Express provides Credco with financial support with respect to maintenance of its minimum overall 1.25 fixed charge coverage ratio, which is achieved by charging appropriate discount rates on the purchases of Card Member receivables and loans Credco makes from, and the interest rates on the loans Credco provides to, TRS and other American Express subsidiaries. Each monthly period, the discount and interest rates are determined to generate income for Credco that is sufficient to maintain its minimum fixed charge coverage ratio. The revenue earned by Credco from purchasing Card Member receivables and loans at a discount is reported as discount revenue on the Consolidated Statements of Income and Retained Earnings.

The accompanying Consolidated Financial Statements should be read in conjunction with the consolidated financial statements in Credco’s Annual Report on Form 10-K for the year ended December 31, 2014 (Form 10-K). If not materially different, certain footnote disclosures included in the Form 10-K have been omitted from this Quarterly Report on Form 10-Q.

The interim consolidated financial information in this report has not been audited. In the opinion of management, all adjustments, which consist of normal recurring adjustments necessary for a fair statement of the interim period consolidated financial information, have been made. Results of operations reported for interim periods are not necessarily indicative of results for the entire year.

The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. These accounting estimates reflect the best judgment of management, but actual results could differ.

Certain reclassifications of prior period amounts have been made to conform to the current period presentation. These reclassifications did not have a material impact on Credco’s financial position, results of operations or cash flows.

Recently Issued Accounting Standards

Accounting Standards Update (ASU) No. 2014-09, Revenue Recognition (Topic 606): Revenue from Contracts with Customers was issued on May 28, 2014. The guidance establishes the principles to apply to determine the amount and timing of revenue recognition, specifying the accounting for certain costs related to revenue, and requiring additional disclosures about the nature, amount, timing and uncertainty of revenues and related cash flows. The guidance supersedes most of the current revenue recognition requirements, and will be effective January 1, 2018, with early adoption as of January 1, 2017, permitted. Credco continues to evaluate the impact this guidance, including the method of implementation, will have on its financial position, results of operations and cash flows, among other items.