Consolidated Statement of Cash Flows (Parenthetical) - USD ($) $ in Millions		Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Statement of Cash Flows [Abstract]
Cash and cash equivalents per Consolidated Balance Sheets		$ 185	$ 196	$ 1,313	$ 1,211
Restricted cash included in Other assets per Consolidated Balance Sheets	[1]	95	100	0	0
Total Cash, cash equivalents and restricted cash		$ 280	$ 296	$ 1,313	$ 1,211

[1] R epresents cash placed with Amex Bank of Canada relating to the collateralized loan arrangement for transfer of Card Member loans a nd the purchase of Card Member r eceivables .