Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Cash and cash equivalents
Securities purchased under resale agreements	$ 119	$ 92
Restricted cash	527	606
Accumulated depreciation and amortization	7,800	7,540
Other assets, reserves for credit losses	67	85
Liabilities
Long-term debt	$ 42,019	$ 42,952
Shareholders’ Equity
Preferred shares, par value (in dollars per share)	$ 1.667	$ 1.667
Preferred shares, authorized	20,000,000	20,000,000
Preferred shares, issued	1,600	1,600
Preferred shares, outstanding	1,600	1,600
Common shares, par value (in dollars per share)	$ 0.20	$ 0.20
Common shares, authorized	3,600,000,000	3,600,000,000
Common shares, issued	803,000,000	805,000,000
Common shares, outstanding	803,000,000	805,000,000
Accumulated other comprehensive income (loss)
Net unrealized debt securities, tax	$ 17	$ 20
Foreign currency translation adjustments, tax	(373)	(381)
Net unrealized pension and other postretirement benefits, tax	(225)	(236)
Card Member Receivables
Cash and cash equivalents
Financing receivables, gross	42,002	43,701
Allowance for credit losses	202	267
Card Member Loans
Cash and cash equivalents
Financing receivables, gross	70,100	73,373
Allowance for credit losses	4,467	5,344
Other Loans
Cash and cash equivalents
Allowance for credit losses	143	238
Variable Interest Entity, Primary Beneficiary
Cash and cash equivalents
Restricted cash	46	47
Liabilities
Long-term debt	12,763	12,760
Variable Interest Entity, Primary Beneficiary | Card Member Receivables
Cash and cash equivalents
Financing receivables, gross	4,221	4,296
Variable Interest Entity, Primary Beneficiary | Card Member Loans
Cash and cash equivalents
Financing receivables, gross	$ 24,088	$ 25,908