Overview and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Jul. 17, 2015
Class of Stock [Line Items]
Common stock, shares issued			1,200,000,000
Minimum aggregate customer balances required to be covered by eligible liquid assets held, percentage	100.00%
Europe
Class of Stock [Line Items]
Customer accounts to be used to extend credit to customers, percentage		20.00%
Europe | Cash and cash equivalents
Class of Stock [Line Items]
Customer accounts to be used to extend credit to customers		$ 800
Common Stock
Class of Stock [Line Items]
Number of Paypal shares distributed for every eBay common stock held			1
eBay | Common Stock
Class of Stock [Line Items]
Shares distributed to parent company stockholders, percentage			100.00%