Debt and Borrowing Arrangements (Details 3) $ in Millions	Dec. 31, 2015 USD ($)
Contractual debt maturities
Within one year	$ 743
Between one and two years	0
Between two and three years	0
Between three and four years	275
Between four and five years	0
Thereafter	340
Total	1,358
Warehouse Agreement Borrowings
Contractual debt maturities
Within one year	632
Between one and two years	0
Between two and three years	0
Between three and four years	0
Between four and five years	0
Thereafter	0
Total	632
Asset-backed Securities
Contractual debt maturities
Within one year	111	[1]
Between one and two years	0	[1]
Between two and three years	0	[1]
Between three and four years	0	[1]
Between four and five years	0	[1]
Thereafter	0	[1]
Total	111	[1]
Unsecured debt
Contractual debt maturities
Within one year	0
Between one and two years	0
Between two and three years	0
Between three and four years	275
Between four and five years	0
Thereafter	340
Total	$ 615

[1] Maturities of the Servicing advance facility represent estimated payments based on the expected cash inflows of the receivables.