Basis of Presentation and Summary of Significant Accounting Policies Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Banco Bradesco SA [Member]
Related Party Transaction [Line Items]
Revenue from Related Parties	$ 4	$ 14	$ 22	$ 32
Banco Bradesco SA [Member]
Related Party Transaction [Line Items]
Due from Related Parties	$ 0		$ 0		$ 15