Receivables Held For Sale - Allowance for Credit Losses Rollforward (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	$ 0	$ 165	$ 0	$ 329
Initial valuation allowance for real estate secured receivables transferred to held for sale during the period	0	42	0	102
Increase in (release of) valuation allowance resulting from changes in fair value	53	(139)	69	(310)
Valuation allowance on real estate secured receivables transferred to held for investment	0	0	0	(4)
Change in valuation allowance for loans sold	(21)	0	(21)	0
Change in valuation allowance for collections, charged-off, transferred to REO or short sale	1	(68)	(15)	(117)
Balance at end of period	$ 33	$ 0	$ 33	$ 0

Allowance for Loan and Lease Losses Held-for-Sale, Fair Value Adjustments

No definition available.

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Allowance for Loan and Lease Losses Held-for-Sale, Transfer Made to Held-for-Sale Loans, Adjustment

No definition available.

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Allowance for Loan and Leases Held-For-Sale, Transfers to Held-For-Investment

No definition available.

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Allowance for Loans and Lease Losses Held-for-Sale, Period Increase (Decrease) to Valuation Allowance for Loans Sold

No definition available.

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Allowance for Loans and Lease Losses Held-for-Sale, Recovery of Bad Debts, Write-offs, Transfers

No definition available.

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Loans and Leases Receivable Held for Sale Valuation Allowance

No definition available.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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