Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Assets
Card Member receivables, reserves	$ 106	$ 94
Card Member loans, reserves	$ 4	$ 3
Shareholder's Equity
Common stock, par value	$ 0.1	$ 0.1
Common stock, authorized	3.0	3.0
Common stock, issued	1.5	1.5
Common stock, outstanding	1.5	1.5
Accumulated other comprehensive loss:
Foreign currency translation adjustments, tax	$ 143	$ 92