Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Card Member receivables, gross	$ 54,241	$ 54,047
Card Member loans, gross	72,820	73,399
Other assets	10,429	9,746
Cash and cash equivalents
Securities purchased under resale agreements	49	48
Accounts receivable
Card Member receivables, reserves	565	521
Other receivables, reserves	31	31
Loans
Card Member loans, reserves	1,786	1,706
Other loans, reserves	91	80
Accumulated depreciation and amortization	5,732	5,455
Restricted cash included in Other assets per Consolidated Balance Sheet	415	337
Short Term Borrowings	1,852	3,278
Long-term Debt	$ 52,461	$ 55,804
Common shares, par value	$ 0.2	$ 0.2
Common shares, authorized	3,600,000,000	3,600,000,000
Common shares, issued	860,000,000	859,000,000
Common shares, outstanding	860,000,000	859,000,000
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred Stock Shares Issued	1,600	1,600
Preferred Stock, Shares Outstanding	1,600	1,600
Preferred shares, par value	$ 1.667	$ 1.667
Accumulated other comprehensive (loss) income
Net unrealized securities gains, tax	$ (2)	$ 1
Foreign currency translation adjustments, tax	(415)	(363)
Net unrealized pension and other postretirement benefits, tax	(176)	(179)
Variable Interest Entity
Card Member receivables, gross	7,807	8,919
Card Member loans, gross	24,058	25,695
Loans
Restricted cash included in Other assets per Consolidated Balance Sheet	147	62
Short Term Borrowings	0	0
Long-term Debt	$ 15,800	$ 18,560