Consolidated Statement of Cash Flows (Textuals) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018
Non cash Investing activities
Termination of Intercompany loan agreement with American Express Limited and American Express International,Inc.	[1]	$ 5,109	$ 0
Non cash financing activity
Settlement of borrowings with American Express Company	[1]	$ (5,109)	$ 0

[1] As a result of funding structure changes in the ordinary course of b usiness, Credco terminated the inter company loan agreement wit h American Express Limited and American Express International , Inc. and settled the related borrowings from American Express Company during the quarter ended June 30, 2019.