Loans Receivable, Net (Details - TDRs Average Investment and Income) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Financing Receivable, Impaired [Line Items]
TDRs, Average Recorded Investment	$ 487	$ 531
TDRs, Interest Income Recognized	6	7
One- To Four-Family [Member]
Financing Receivable, Impaired [Line Items]
TDRs, Average Recorded Investment	282	313
TDRs, Interest Income Recognized	2	2
Home Equity [Member]
Financing Receivable, Impaired [Line Items]
TDRs, Average Recorded Investment	205	218
TDRs, Interest Income Recognized	$ 4	$ 5

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.

No definition available.

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5258-111524

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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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