Discontinued Operations - Paypal (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Operating expenses:
Loss from discontinued operations, net of income taxes	$ (6)	$ 164	$ (176)	$ 617
Carrying amounts of assets included as part of held for sale:
Cash and cash equivalents	0	2,254	0	2,254
Discontinued Operations, Disposed Of By Means Other Than Sale, Spinoff | PayPal
Financial Results
Net revenues	415	1,950	4,793	5,733
Cost of net revenues	178	772	1,918	2,294
Gross profit	237	1,178	2,875	3,439
Operating expenses:
Sales and marketing	41	270	534	740
Product development	45	229	527	643
General and administrative	73	221	740	646
Provision for transaction and loan losses	33	189	418	483
Amortization of acquired intangible assets	3	13	30	40
Total operating expenses	195	922	2,249	2,552
Loss from operations of discontinued operations	42	256	626	887
Interest and other, net	0	4	1	(6)
Loss from discontinued operations before income taxes	42	260	627	881
Income tax benefit (provision)	(13)	(44)	(124)	(137)
Loss from discontinued operations, net of income taxes	$ 29	$ 216	$ 503	$ 744
Carrying amounts of assets included as part of held for sale:
Cash and cash equivalents					$ 2,194
Short-term investments					39
Accounts receivable, net					51
Loans and interest receivable, net					3,600
Funds receivable and customer accounts					10,545
Other current assets					366
Long-term investments					31
Property and equipment, net					1,113
Goodwill					3,136
Intangible assets, net					172
Other assets					54
Total assets classified as held for sale in the condensed consolidated balance sheet					21,301
Carrying amounts of liabilities included as part of held for sale:
Accounts payable					115
Funds receivable and customer accounts					10,545
Accrued expenses and other current liabilities					1,448
Income taxes payable					29
Deferred and other tax liabilities, net					197
Other liabilities					46
Total liabilities classified as held for sale in the condensed consolidated balance sheet					$ 12,380