Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Registrant Name

dei_EntityRegistrantName

SCHWAB STRATEGIC TRUST

Prospectus Date

rr_ProspectusDate

Oct. 03, 2019

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

SCHWAB STRATEGIC TRUST

Schwab^® 1-5 Year Corporate Bond ETF

Schwab^® 5-10 Year Corporate Bond ETF

Schwab^® Long-Term U.S. Treasury ETF

(each, a fund and collectively, the funds)

Supplement dated December 13, 2019 to each fund’s currently effective Prospectus and Statement of Additional Information (SAI)

This supplement provides new and additional information beyond that contained

in the Prospectus and SAI and should be read in conjunction with the Prospectus

and SAI.

Effective December 13, 2019 the management fees of the funds have been reduced, as follows:

Fund	Current Management Fee			New Management Fee
Schwab 1-5 Year Corporate Bond ETF		0.06	%		0.05	%
Schwab 5-10 Year Corporate Bond ETF		0.06	%		0.05	%
Schwab Long-Term U.S. Treasury ETF		0.06	%		0.05	%

Accordingly, the following changes to the Prospectus and SAI are effective December 13, 2019:

1. Schwab 1-5 Year Corporate Bond ETF

Prospectus — Under the fund’s “Fund Fees and Expenses” section: The “Annual Fund Operating Expenses” and “Expenses on a $10,000 Investment” tables are deleted and replaced in their entirety with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a % of the value of your investment)
Management fees	0.05
Other expenses1	None
Total annual fund operating expenses2	0.05

¹ “Other expenses” is an estimate based on the expenses the fund expects to incur for its first full fiscal year.

² The Information in the table has been restated to reflect current fees and expenses.

Expenses on a $10,000 Investment
1 Year	3 Years
$5	$16

2. Schwab 5-10 Year Corporate Bond ETF

Prospectus — Under the fund’s “Fund Fees and Expenses” section: The “Annual Fund Operating Expenses” and “Expenses on a $10,000 Investment” tables are deleted and replaced in their entirety with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a % of the value of your investment)
Management fees	0.05
Other expenses1	None
Total annual fund operating expenses2	0.05

¹ “Other expenses” is an estimate based on the expenses the fund expects to incur for its first full fiscal year.

² The Information in the table has been restated to reflect current fees and expenses.

Expenses on a $10,000 Investment
1 Year	3 Years
$5	$16

3.    Schwab Long-Term U.S. Treasury ETF

Prospectus – Under the fund’s “Fund Fees and Expenses” section: The “Annual Fund Operating Expenses” and “Expenses on a $10,000 Investment” tables are deleted and replaced in their entirety with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a % of the value of your investment)
Management fees	0.05
Other expenses1	None
Total annual fund operating expenses2	0.05

¹ “Other expenses” is an estimate based on the expenses the fund expects to incur for its first full fiscal year.

² The Information in the table has been restated to reflect current fees and expenses.

Expenses on a $10,000 Investment
1 Year	3 Years
$5	$16

Schwab 1-5 Year Corporate Bond ETF

Risk/Return:

rr_RiskReturnAbstract

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

SCHWAB STRATEGIC TRUST

Schwab^® 1-5 Year Corporate Bond ETF

(each, a fund and collectively, the funds)

Supplement dated December 13, 2019 to each fund’s currently effective Prospectus and Statement of Additional Information (SAI)

This supplement provides new and additional information beyond that contained

in the Prospectus and SAI and should be read in conjunction with the Prospectus

and SAI.

Effective December 13, 2019 the management fees of the funds have been reduced, as follows:

Fund	Current Management Fee			New Management Fee
Schwab 1-5 Year Corporate Bond ETF		0.06	%		0.05	%

Accordingly, the following changes to the Prospectus and SAI are effective December 13, 2019:

1. Schwab 1-5 Year Corporate Bond ETF

Prospectus — Under the fund’s “Fund Fees and Expenses” section: The “Annual Fund Operating Expenses” and “Expenses on a $10,000 Investment” tables are deleted and replaced in their entirety with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a % of the value of your investment)
Management fees	0.05
Other expenses1	None
Total annual fund operating expenses2	0.05

¹ “Other expenses” is an estimate based on the expenses the fund expects to incur for its first full fiscal year.

² The Information in the table has been restated to reflect current fees and expenses.

Expenses on a $10,000 Investment
1 Year	3 Years
$5	$16

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

Annual Fund Operating Expenses (expenses that you pay each year as a % of the value of your investment)

Other Expenses, New Fund, Based on Estimates [Text]

rr_OtherExpensesNewFundBasedOnEstimates

“Other expenses” is an estimate based on the expenses the fund expects to incur for its first full fiscal year.

Expenses Restated to Reflect Current [Text]

rr_ExpensesRestatedToReflectCurrent

The Information in the table has been restated to reflect current fees and expenses.

Expense Example by Year [Heading]

rr_ExpenseExampleByYearHeading

Expenses on a $10,000 Investment

Schwab 1-5 Year Corporate Bond ETF | Schwab 1-5 Year Corporate Bond ETF

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.05%

Other expenses

rr_OtherExpensesOverAssets

none

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

0.05%

^[2]

1 Year

rr_ExpenseExampleYear01

$ 5

3 Years

rr_ExpenseExampleYear03

$ 16

Schwab 5-10 Year Corporate Bond ETF

Risk/Return:

rr_RiskReturnAbstract

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

SCHWAB STRATEGIC TRUST

Schwab^® 5-10 Year Corporate Bond ETF

(each, a fund and collectively, the funds)

Supplement dated December 13, 2019 to each fund’s currently effective Prospectus and Statement of Additional Information (SAI)

This supplement provides new and additional information beyond that contained

in the Prospectus and SAI and should be read in conjunction with the Prospectus

and SAI.

Effective December 13, 2019 the management fees of the funds have been reduced, as follows:

Fund	Current Management Fee			New Management Fee
Schwab 5-10 Year Corporate Bond ETF		0.06	%		0.05	%

Accordingly, the following changes to the Prospectus and SAI are effective December 13, 2019:

2. Schwab 5-10 Year Corporate Bond ETF

Prospectus — Under the fund’s “Fund Fees and Expenses” section: The “Annual Fund Operating Expenses” and “Expenses on a $10,000 Investment” tables are deleted and replaced in their entirety with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a % of the value of your investment)
Management fees	0.05
Other expenses1	None
Total annual fund operating expenses2	0.05

¹ “Other expenses” is an estimate based on the expenses the fund expects to incur for its first full fiscal year.

² The Information in the table has been restated to reflect current fees and expenses.

Expenses on a $10,000 Investment
1 Year	3 Years
$5	$16

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

Annual Fund Operating Expenses (expenses that you pay each year as a % of the value of your investment)

Other Expenses, New Fund, Based on Estimates [Text]

rr_OtherExpensesNewFundBasedOnEstimates

“Other expenses” is an estimate based on the expenses the fund expects to incur for its first full fiscal year.

Expenses Restated to Reflect Current [Text]

rr_ExpensesRestatedToReflectCurrent

The Information in the table has been restated to reflect current fees and expenses.

Expense Example by Year [Heading]

rr_ExpenseExampleByYearHeading

Expenses on a $10,000 Investment

Schwab 5-10 Year Corporate Bond ETF | Schwab 5-10 Year Corporate Bond ETF

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.05%

Other expenses

rr_OtherExpensesOverAssets

none

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

0.05%

^[2]

1 Year

rr_ExpenseExampleYear01

$ 5

3 Years

rr_ExpenseExampleYear03

$ 16

Schwab Long-Term U.S. Treasury ETF

Risk/Return:

rr_RiskReturnAbstract

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

SCHWAB STRATEGIC TRUST

Schwab^® Long-Term U.S. Treasury ETF

(each, a fund and collectively, the funds)

Supplement dated December 13, 2019 to each fund’s currently effective Prospectus and Statement of Additional Information (SAI)

This supplement provides new and additional information beyond that contained

in the Prospectus and SAI and should be read in conjunction with the Prospectus

and SAI.

Effective December 13, 2019 the management fees of the funds have been reduced, as follows:

Fund	Current Management Fee			New Management Fee
Schwab Long-Term U.S. Treasury ETF		0.06	%		0.05	%

Accordingly, the following changes to the Prospectus and SAI are effective December 13, 2019:

3.    Schwab Long-Term U.S. Treasury ETF

Prospectus – Under the fund’s “Fund Fees and Expenses” section: The “Annual Fund Operating Expenses” and “Expenses on a $10,000 Investment” tables are deleted and replaced in their entirety with the following:

Annual Fund Operating Expenses (expenses that you pay each year as a % of the value of your investment)
Management fees	0.05
Other expenses1	None
Total annual fund operating expenses2	0.05

¹ “Other expenses” is an estimate based on the expenses the fund expects to incur for its first full fiscal year.

² The Information in the table has been restated to reflect current fees and expenses.

Expenses on a $10,000 Investment
1 Year	3 Years
$5	$16

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

Annual Fund Operating Expenses (expenses that you pay each year as a % of the value of your investment)

Other Expenses, New Fund, Based on Estimates [Text]

rr_OtherExpensesNewFundBasedOnEstimates

“Other expenses” is an estimate based on the expenses the fund expects to incur for its first full fiscal year.

Expenses Restated to Reflect Current [Text]

rr_ExpensesRestatedToReflectCurrent

The Information in the table has been restated to reflect current fees and expenses.

Expense Example by Year [Heading]

rr_ExpenseExampleByYearHeading

Expenses on a $10,000 Investment

Schwab Long-Term U.S. Treasury ETF | Schwab Long-Term U.S. Treasury ETF

Risk/Return:

rr_RiskReturnAbstract

Management fees

rr_ManagementFeesOverAssets

0.05%

Other expenses

rr_OtherExpensesOverAssets

none

^[1]

Total annual fund operating expenses

rr_ExpensesOverAssets

0.05%

^[2]

1 Year

rr_ExpenseExampleYear01

$ 5

3 Years

rr_ExpenseExampleYear03

$ 16

[1] “Other expenses” is an estimate based on the expenses the fund expects to incur for its first full fiscal year.

[2] The Information in the table has been restated to reflect current fees and expenses.