Guarantor Condensed Consolidating Financial Statements - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2015 USD ($)
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Reclassification amount	$ 3,900
Guarantor [Member]
Condensed Financial Statements, Captions [Line Items]
Reclassification amount	762
Guarantor [Member] | Due From Affiliates [Member]
Condensed Financial Statements, Captions [Line Items]
Reclassification amount	$ 3,200