Debt and Borrowing Arrangements (Details 3) $ in Millions	Jun. 30, 2016 USD ($)
Contractual debt maturities
Within one year	$ 865
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	1,480
Warehouse Facilities
Contractual debt maturities
Within one year	767
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	767
Servicing Advance Facility
Contractual debt maturities
Within one year	98
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	98
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

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
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-Paragraph 16
-Article 9

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
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