Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows from Operating Activities
Net income	$ 59	$ 51
Adjustments to reconcile net income to net cash provided by operating activities:
Provisions for losses	62	36
Amortization of underwriting expenses	6	6
Deferred taxes	(20)	3
Changes in operating assets and liabilities:
Interest, taxes and other amounts due from/to affiliates	229	4
Other operating assets and liabilities	27	361
Net cash provided by operating activities	363	461
Cash Flows from Investing Activities
Net increase in Card Member receivables and loans, including held for sale	(1,511)	(1,063)
Net (increase) decrease in loans to affiliates and other	(572)	3,879
Net decrease in due to/from affiliates	(75)	(565)
Net cash (used in) provided by investing activities	(2,158)	2,251
Cash Flows from Financing Activities
Net decrease in short-term debt	(1,566)	(1,950)
Net increase (decrease) in short-term debt to affiliates	400	(717)
Issuance of long-term debt	4,480	0
Principal payments on long-term debt	(1,500)	0
Net cash provided by (used in) financing activities	1,814	(2,667)
Effect of foreign currency exchange rates on cash and cash equivalents	15	2
Net increase in cash and cash equivalents	34	47
Cash and cash equivalents at beginning of period	1,211	173
Cash and cash equivalents at end of period	$ 1,245	$ 220