Name:	schw_OperatingLeasesFutureMinimumPaymentsDueCurrentFutureMinimumSubleaseRentals
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Data Type:	xbrli:monetaryItemType
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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating, net of contractual subleases.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueCurrentNet
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Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals [Abstract]

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentalsAbstract
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Contractually required future rental payments receivable within the fifth year of the balance sheet date on noncancelable subleasing arrangements.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueInFiveYearsFutureMinimumSubleaseRentals
Namespace Prefix:	schw_
Data Type:	xbrli:monetaryItemType
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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fifth year of the balance sheet date relating to leases defined as operating, net of contractual subleases.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueInFiveYearsNet
Namespace Prefix:	schw_
Data Type:	xbrli:monetaryItemType
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Contractually required future rental payments receivable within the fourth year of the balance sheet date on noncancelable subleasing arrangements.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueInFourYearsFutureMinimumSubleaseRentals
Namespace Prefix:	schw_
Data Type:	xbrli:monetaryItemType
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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fourth year of the balance sheet date relating to leases defined as operating, net of contractual subleases.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueInFourYearsNet
Namespace Prefix:	schw_
Data Type:	xbrli:monetaryItemType
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Contractually required future rental payments receivable within the third year of the balance sheet date on noncancelable subleasing arrangements.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueInThreeYearsFutureMinimumSubleaseRentals
Namespace Prefix:	schw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the third year of the balance sheet date relating to leases defined as operating, net of contractual subleases.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueInThreeYearsNet
Namespace Prefix:	schw_
Data Type:	xbrli:monetaryItemType
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Contractually required future rental payments receivable within the second year of the balance sheet date on noncancelable subleasing arrangements.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueInTwoYearsFutureMinimumSubleaseRentals
Namespace Prefix:	schw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the second year of the balance sheet date relating to leases defined as operating, net of contractual subleases.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueInTwoYearsNet
Namespace Prefix:	schw_
Data Type:	xbrli:monetaryItemType
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The total of future contractually required payments on leases defined as operating, net of contractual subleases.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueNet
Namespace Prefix:	schw_
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Operating Leases Future Minimum Payments Due Net [Abstract]

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueNetAbstract
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Contractually required future rental payments receivable after the fifth year from the balance sheet date on noncancelable subleasing arrangements.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueThereafterFutureMinimumSubleaseRentals
Namespace Prefix:	schw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due after the fifth year from the balance sheet date on leases defined as operating, net of contractual subleases.

No definition available.

Name:	schw_OperatingLeasesFutureMinimumPaymentsDueThereafterNet
Namespace Prefix:	schw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

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- References

No definition available.

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next 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.

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Contractually required future rental payments receivable on noncancelable subleasing arrangements.

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in 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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth 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.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third 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.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second 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.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due 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.