Name:	etfc_FinancingReceivableTroubledDebtRestructuringModificationChargeoffs
Namespace Prefix:	etfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Financing receivables that have been modified by troubled debt restructurings.

No definition available.

Name:	etfc_FinancingReceivableTroubledDebtRestructuringModificationRecordedInvestment
Namespace Prefix:	etfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Financing receivables that have been modified by troubled debt restructurings net of specific valuation allowance.

No definition available.

Name:	etfc_FinancingReceivableTroubledDebtRestructuringModificationRecordedInvestmentNetOfSpecificValuationAllowance
Namespace Prefix:	etfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Financing receivables that have been modified by troubled debt restructurings prior to charge-offs related to certain loans that were written down to the estimated current value of the underlying property less estimated selling costs.

No definition available.

Name:	etfc_FinancingReceivableTroubledDebtRestructuringModificationRecordedInvestmentbeforechargeoffs
Namespace Prefix:	etfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Percentage of specific valuation allowance compared to financing receivables that have been modified by troubled debt restructurings.

No definition available.

Name:	etfc_SpecificValuationAllowanceAsAPercentageOfModifications
Namespace Prefix:	etfc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Percentage of charge-offs and specific valuation allowance compared to financing receivables that have been modified by troubled debt restructurings prior to charge-offs.

No definition available.

Name:	etfc_TotalExpectedLossesOnFinancingReceivableTroubledDebtRestructuringModificationsBeforeChargeoffs
Namespace Prefix:	etfc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

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.