Loans Receivable, Net (Details - Modifications Subsequent Defaults) $ in Millions	3 Months Ended
Mar. 31, 2016 USD ($) loan	Mar. 31, 2015 USD ($) loan
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings - Modifications, Payment Defaults, Number of Loans \| loan	18	42
Troubled Debt Restructurings - Modifications, Payment Defaults, Recorded Investment	$ 3	$ 3
One- To Four-Family [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings - Modifications, Payment Defaults, Number of Loans \| loan	5	2
Troubled Debt Restructurings - Modifications, Payment Defaults, Recorded Investment	$ 2	$ 1
Troubled Debt Restructurings - Modifications that Subsequently Defaulted that were Classified as Current at Period End		$ 0
One- To Four-Family [Member] \| Less than [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings - Modifications that Subsequently Defaulted that were Classified as Current at Period End	$ 1
Home Equity [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings - Modifications, Payment Defaults, Number of Loans \| loan	13	40
Troubled Debt Restructurings - Modifications, Payment Defaults, Recorded Investment	$ 1	$ 2
Home Equity [Member] \| Less than [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings - Modifications that Subsequently Defaulted that were Classified as Current at Period End	$ 1	$ 1

The recorded investment of financing receivables that have been modified by trouble debt restructurings that had a payment default in the trailing 12 months that were classified as current at the period end.

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953682-111524

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

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