Accounts Receivable Facility (Details) - Accounts Receivable [Member] - USD ($) $ in Millions	3 Months Ended	5 Months Ended
	Mar. 31, 2015	Sep. 30, 2014	Jun. 30, 2015	May. 16, 2014
Financing Receivable, Recorded Investment [Line Items]
Accounts Receivable Facility, Expiration Period		2 years
Maximum Funding Limit				$ 3,300
Receivables Facility, Amount of Funds Available			$ 1,400
Receivables contributed by the Originators to the SPEs	$ 3,500		3,400
Continuing Involvement with Derecognized Transferred Financial Assets, Amount Outstanding	1,800
Cash received for sale of receivables under receivables facility	500
Receivable from Conduits	1,300
Transfers of Financial Assets Accounted for as Sale, Initial Fair Value of Assets Obtained as Proceeds	$ 1,200		$ 14