Condensed Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net income	$ 2,006	$ 1,859
Adjustments:
Provision for transaction and loan losses	553	413
Depreciation and amortization	1,033	882
Stock-based compensation	412	360
Gain on sale of RueLaLa and ShopRunner	(75)	0
Gain on divested business	0	(118)
Changes in assets and liabilities, net of acquisition effects	(647)	(943)
Net cash provided by operating activities	3,282	2,453
Cash flows from investing activities:
Purchases of property and equipment	(969)	(961)
Changes in principal loans receivable, net	(395)	(335)
Purchases of investments	(5,726)	(1,470)
Maturities and sales of investments	2,710	938
Acquisitions, net of cash acquired	(85)	(143)
Repayment of Kynetic note receivable and sale of RueLaLa and ShopRunner	485	0
Proceeds from divested business, net of cash disposed	0	144
Other	(14)	(77)
Net cash used in investing activities	(3,994)	(1,904)
Cash flows from financing activities:
Proceeds from issuance of common stock	301	359
Repurchases of common stock	(1,088)	(642)
Excess tax benefits from stock-based compensation	180	95
Tax witholdings related to net share settlements of restricted stock awards and units	(247)	(152)
Net (repayments) and borrowings under commercial paper program	0	(550)
Proceeds from the issuance of debt, net of issuance costs	0	2,976
Funds receivable and customer accounts	(979)	(839)
Funds payable and amounts due to customers	979	839
Other	0	(4)
Net cash provided by (used in) financing activities	(854)	2,082
Effect of exchange rate changes on cash and cash equivalents	29	9
Net increase (decrease) in cash and cash equivalents	(1,537)	2,640
Cash and cash equivalents at beginning of period	6,817	4,691
Cash and cash equivalents at end of period	5,280	7,331
Supplemental cash flow disclosures:
Cash paid for interest	85	15
Cash paid for income taxes	$ 348	$ 757