Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Assets
Card Member receivables, reserves	$ 168	$ 167
Card Member loans, reserves	$ 8	$ 5
Shareholder’s Equity
Common shares, par value (in dollars per share)	$ 0.10	$ 0.10
Common shares, authorized	3,000,000	3,000,000
Common shares, issued	1,500,000	1,500,000
Common shares, outstanding	1,500,000	1,500,000
Accumulated other comprehensive loss
Foreign currency translation adjustments, tax	$ 45	$ 34