| Form N-CSR Cover | 6 Months Ended |
| Jun. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Schwab Annuity Portfolios |
| Entity Central Index Key | 0000918266 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Jun. 30, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Schwab Annuity Portfolios |
| Entity Central Index Key | 0000918266 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Jun. 30, 2024 |
| Schwab Government Money Market Portfolio | |
| Shareholder Report [Line Items] | |
| Fund Name | Schwab Government Money Market Portfolio |
| Class Name | Schwab Government Money Market Portfolio |
| Trading Symbol | SWPXX |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can www.schwabassetmanagement.com/schwabfunds_prospectus . You can also request this information by calling 1-866-414-6349 or by sending an email request to orders mysummaryprospectus.com . |
| Additional Information Phone Number | 1-866-414-6349 |
| Additional Information Email | orders@mysummaryprospectus.com |
| Additional Information Website | www.schwabassetmanagement.com/schwabfunds_prospectus |
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED June 30, 2024 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT) COSTS OF A $10,000 INVESTMENT COSTS PAID AS A PERCENTAGE OF A $10,000 INVESTMENT Schwab Government Money Market Portfolio $13 0.26% |
| Expenses Paid, Amount | $ 13 |
| Expense Ratio, Percent | 0.26% |
| Net Assets | $ 265,646,000 |
| Holdings Count | Holding | 196 |
| Additional Fund Statistics [Text Block] | Statistics Net Assets (thousands) $265,646 Number of Holdings 196 Weighted Average Maturity 31 Days Seven-Day Yield (with waivers) 5.12% Seven-Day Yield (without waivers) 5.12% Seven-Day Effective Yield 5.25% |
| Holdings [Text Block] | Portfolio Composition by Security Type % of Investments Portfolio Composition By Effective Maturity % of Investments 3 1 Less than 0.05% 2 Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended. 3 Maturity shown is the date the security matures, the date the interest rate on those securities is reset, or the date those securities can be redeemed through demand. |
| Schwab S&P 500 Index Portfolio | |
| Shareholder Report [Line Items] | |
| Fund Name | Schwab S&P 500 Index Portfolio |
| Class Name | Schwab S&P 500 Index Portfolio |
| Trading Symbol | SWP1Z |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/schwabfunds_prospectus . You can also request this information by calling 1-866-414-6349 or by sending an email request to orders mysummaryprospectus.com . |
| Additional Information Phone Number | 1-866-414-6349 |
| Additional Information Email | orders@mysummaryprospectus.com |
| Additional Information Website | www.schwabassetmanagement.com/schwabfunds_prospectus |
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED June 30, 2024 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT) COSTS OF A $10,000 INVESTMENT COSTS PAID AS A PERCENTAGE OF A $10,000 INVESTMENT Schwab S&P 500 Index Portfolio $2 0.03% |
| Expenses Paid, Amount | $ 2 |
| Expense Ratio, Percent | 0.03% |
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. |
| Average Annual Return [Table Text Block] | Average Annual Total Returns 1 Fund and Inception Date 6 Months 1 Year 5 Years 10 Years Fund: Schwab S&P 500 Index Portfolio (11/01/1996) 15.25% 24.50% 14.99% 12.76% S&P 500 ® 15.29% 24.56% 15.05% 12.86% All total return figures on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. Index ownership — “Standard & Poor’s ® ,” “S&P ® ,” and “S&P 500 ® ” are registered trademarks of Standard & Poor’s Financial Services LLC (S&P), and “Dow Jones ® ” is a registered trademark of Dow Jones Trademark Holdings certain purposes by Charles Schwab Investment Management, Inc. The “S&P 500 ® Index” is a product of S&P Dow Jones Indices LLC or its affiliates, and has been licensed for use by Charles Schwab Investment Management, Inc. The Schwab S&P 500 Index Portfolio is not sponsored, endorsed, sold or promoted by S&P Dow Jones Indices LLC, Dow Jones, S&P, or their respective affiliates, and neither S&P Dow Jones Indices LLC, Dow Jones, S&P, nor their respective affiliates make any representation regarding the advisability of investing in the fund. 1 Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees expenses. |
| Performance Inception Date | Nov. 01, 1996 |
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/schwabfunds_prospectus . |
| Net Assets | $ 2,332,000,000 |
| Holdings Count | Holding | 501 |
| Investment Company, Portfolio Turnover | 1% |
| Additional Fund Statistics [Text Block] | Statistics Net Assets (millions) $2,332 Number of Holdings (excludes derivatives) 501 Portfolio Turnover Rate (not annualized) 1% Weighted Average Market Cap ($ x 1,000,000) $1,010,527 Price/Earnings Ratio (P/E) 27.1 Price/Book Ratio (P/B) 4.7 |
| Holdings [Text Block] | Sector Weightings % of Investments 1 Top Equity Holdings % of Net Assets 2 Portfolio holdings may have changed since the report date. The Sector/Industry classifications in this report use the Global Industry Classification Standard (GICS) which was developed by and is the exclusive property of MSCI Inc. (MSCI) and Standard & Poor’s (S&P). GICS is a service 1 Excludes derivatives. 2 This list is not a recommendation of any security by the investment adviser. |
| Largest Holdings [Text Block] | Top Equity Holdings % of Net Assets 2 2 This list is not a recommendation of any security by the investment adviser. |
| Schwab VIT Balanced Portfolio | |
| Shareholder Report [Line Items] | |
| Fund Name | Schwab VIT Balanced Portfolio |
| Class Name | Schwab VIT Balanced Portfolio |
| Trading Symbol | SWB1Z |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/schwabfunds_prospectus . You can also request this information by calling 1-866-414-6349 or by sending an email request to orders mysummaryprospectus.com . |
| Additional Information Phone Number | 1-866-414-6349 |
| Additional Information Email | orders@mysummaryprospectus.com |
| Additional Information Website | www.schwabassetmanagement.com/schwabfunds_prospectus |
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED June 30, 2024 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT) COSTS OF A $10,000 INVESTMENT COSTS PAID AS A PERCENTAGE OF A $10,000 INVESTMENT Schwab VIT Balanced Portfolio $26 0.52% |
| Expenses Paid, Amount | $ 26 |
| Expense Ratio, Percent | 0.52% |
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. |
| Average Annual Return [Table Text Block] | Average Annual Total Returns 1 Fund and Inception Date 6 Months 1 Year 5 Years 10 Years Fund: Schwab VIT Balanced Portfolio (07/25/2012) 4.07% 9.23% 3.99% 3.59% S&P 500 ® Index 15.29% 24.56% 15.05% 12.86% Bloomberg US Aggregate Bond Index -0.71% 2.63% -0.23% 1.35% VIT Balanced Composite Index 2 4.36% 10.02% 4.57% 4.23% All total return figures on this page assume dividends an ude performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. 1 Fund expenses may have been partially absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower. Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to expenses. 2 A custom blended index developed by Schwab As set effective April 28, 2023: 36.3% Bloomberg US Aggregate Bond Index, 9.0% Bloomberg US Treasury 1-3 Y ear Index, Bloomberg US Treasury Inflation-Linked Bond Index (Series-L), 3.3% Dow Jones Equity All REIT Capped Index, 25.9% Dow Jones U.S. Large Cap Total Stock Market Index, 2.8% Dow Jones U.S. Small Cap Total Stock Market Inde 11.0 Cap ex US Liquid Index (Net). Prior to April 28, 2023, the index had a different composition. See www.schwabassetmanagement.com/glossary for additional detail. |
| Performance Inception Date | Jul. 25, 2012 |
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/schwabfunds_prospectus . |
| Net Assets | $ 80,742,000 |
| Holdings Count | Holding | 10 |
| Investment Company, Portfolio Turnover | 12% |
| Additional Fund Statistics [Text Block] | Statistics Net Assets (thousands) $80,742 Number of Holdings 10 Portfolio Turnover Rate (not annualized) 12% |
| Holdings [Text Block] | Asset Class Weightings % of Investments 1 Top Holdings % of Net Assets 1,2 Portfolio holdings may have changed since the report date. 1 The fund intends to primarily invest in affiliated Schwab ETFs and may also invest in affiliated Schwab Funds and unaffiliated third-party ETFs and mutual funds (all such ETFs and mutual funds referred to as “underlying funds”). The fund may also invest directly in equity, fixed-income, or other securities or investments, as appropriate, consistent with its investment objectives, strategies, and policies. 2 This list is not a recommendation of any security by the investment adviser. |
| Largest Holdings [Text Block] | Top Holdings % of Net Assets 1,2 Portfolio holdings may have changed since the report date. 1 The fund intends to primarily invest in affiliated Schwab ETFs and may also invest in affiliated Schwab Funds and unaffiliated third-party ETFs and mutual funds (all such ETFs and mutual funds referred to as “underlying funds”). The fund may also invest directly in equity, fixed-income, or other securities or investments, as appropriate, consistent with its investment objectives, strategies, and policies. 2 This list is not a recommendation of any security by the investment adviser. |
| Schwab VIT Balanced with Growth Portfolio | |
| Shareholder Report [Line Items] | |
| Fund Name | Schwab VIT Balanced with Growth Portfolio |
| Class Name | Schwab VIT Balanced with Growth Portfolio |
| Trading Symbol | SWC1Z |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/schwabfunds_prospectus . You can also request this information by calling 1-866-414-6349 or by sending an email request to orders mysummaryprospectus.com . |
| Additional Information Phone Number | 1-866-414-6349 |
| Additional Information Email | orders@mysummaryprospectus.com |
| Additional Information Website | www.schwabassetmanagement.com/schwabfunds_prospectus |
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED June 30, 2024 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT) COSTS OF A $10,000 INVESTMENT COSTS PAID AS A PERCENTAGE OF A $10,000 INVESTMENT Schwab VIT Balanced with Growth Portfolio $25 0.49% |
| Expenses Paid, Amount | $ 25 |
| Expense Ratio, Percent | 0.49% |
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. |
| Average Annual Return [Table Text Block] | Average Annual Total Returns 1 Fund and Inception Date 6 Months 1 Year 5 Years 10 Years Fund: Schwab VIT Balanced with Growth Portfolio (07/25/2012) 5.62% 11.72% 5.73% 4.82% S&P 500 ® Index 15.29% 24.56% 15.05% 12.86% Bloomberg US Aggregate Bond Index -0.71% 2.63% -0.23% 1.35% VIT Balanced with Growth Composite Index 2 5.86% 12.44% 6.31% 5.43% All total return figures on this page assume dividends and distributions were reinvested. Index figures do not include trading and management costs, which would lower performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. 1 Fund expenses may have been partially absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower. Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses. 2 A custom blended index developed by Schwab Asset Management based on a comparable portfolio asset allocation and calculated using the following portion allocations effective April 28, 2023: 26.1% Bloomberg US Aggregate Bond Index, 3.9% Bloomberg US Treasury 1-3 Year Index, 4.0% Bloomberg US Treasury Bills 1-3 Month Index, 1.0% Bloomberg US Treasury Inflation-Linked Bond Index (Series-L), 4.6% Dow Jones Equity All REIT Capped Index, 34.0% Dow Jones U.S. Large Cap Total Stock Market Index, 4.2% Dow Jones U.S. Small Cap Total Stock Market Index, 3.2% FTSE All Emerging Index (Net), 16.0% FTSE Developed ex US Index (Net), and 3.0% FTSE Developed Smal Cap ex US Liquid Index (Net). Prior to April 28, 2023, the index had a different composition. See www.schwabassetmanagement.com/glossary for additional detail. |
| Performance Inception Date | Jul. 25, 2012 |
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/schwabfunds_prospectus . |
| Net Assets | $ 163,964,000 |
| Holdings Count | Holding | 10 |
| Investment Company, Portfolio Turnover | 5% |
| Additional Fund Statistics [Text Block] | Statistics Net Assets (thousands) $163,964 Number of Holdings 10 Portfolio Turnover Rate (not annualized) 5% |
| Holdings [Text Block] | Asset Class Weightings % of Investments 1 Top Holdings % of Net Assets 1,2 Portfolio holdings may have changed since the report date. 1 The fund intends to primarily invest in affiliated Schwab ETF s and may ETFs and mutual funds referred to as “underlying funds”). The fund may also invest directly in equity, fixed-income, or other securities or investments, as appropriate, consistent with its investment objectives, strategies, and policies. 2 This list is not a recommendation of any security by the investment adviser. |
| Largest Holdings [Text Block] | Top Holdings % of Net Assets 1,2 Portfolio holdings may have changed since the report date. 1 The fund intends to primarily invest in affiliated Schwab ETF s and may ETFs and mutual funds referred to as “underlying funds”). The fund may also invest directly in equity, fixed-income, or other securities or investments, as appropriate, consistent with its investment objectives, strategies, and policies. 2 This list is not a recommendation of any security by the investment adviser. |
| Schwab VIT Growth Portfolio | |
| Shareholder Report [Line Items] | |
| Fund Name | Schwab VIT Growth Portfolio |
| Class Name | Schwab VIT Growth Portfolio |
| Trading Symbol | SWG1Z |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report 2024. |
| Shareholder Report Annual or Semi-Annual | semi annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the fund at www.schwabassetmanagement.com/schwabfunds_prospectus . You can also request this information by calling 1-866-414-6349 or by sending an email request to orders mysummaryprospectus.com . |
| Additional Information Phone Number | 1-866-414-6349 |
| Additional Information Email | orders@mysummaryprospectus.com |
| Additional Information Website | www.schwabassetmanagement.com/schwabfunds_prospectus |
| Expenses [Text Block] | FUND COSTS FOR THE LAST six months ENDED June 30, 2024 (BASED ON A HYPOTHETICAL $10,000 INVESTMENT) COSTS OF A $10,000 INVESTMENT COSTS PAID AS A PERCENTAGE OF A $10,000 INVESTMENT Schwab VIT Growth Portfolio $25 0.49% |
| Expenses Paid, Amount | $ 25 |
| Expense Ratio, Percent | 0.49% |
| Performance Past Does Not Indicate Future [Text] | The performance data quoted represents past performance. Past performance does not guarantee future results. |
| Average Annual Return [Table Text Block] | Average Annual Total Returns 1 Fund and Inception Date 6 Months 1 Year 5 Years 10 Years Fund: Schwab VIT Growth Portfolio (07/25/2012) 6.93% 13.83% 7.23% 5.86% S&P 500 ® Index 15.29% 24.56% 15.05% 12.86% Bloomberg US Aggregate Bond Index -0.71% 2.63% -0.23% 1.35% VIT Growth Composite Index 2 7.13% 14.51% 7.76% 6.44% All total return figures on this page assume dividends and distributions were rein vested. I performance. Indices are unmanaged and cannot be invested in directly. Performance results less than one year are not annualized. For index definitions, please see www.schwabassetmanagement.com/glossary. 1 Fund expenses may have been partially absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower. Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses. 2 A custom blended index developed by Schwab Asset Management based on a comparable portfolio asset allocation and calculated using the following portion allocations effective April 28, 2023: 14.0% Bloomberg US Aggregate Bond Index, 4.0% Bloomberg US Treasury Bills 1-3 Month Index, 6.0% Dow Jones Equity All REIT Capped Index, 39.6% Dow Jones U.S. Large Cap Total Stock Market Index, 6.3% Dow Jones U.S. Small Cap Total Stock Market Index, 5.4% FTSE All Emerging Index (Net), 21.0% FTSE Developed ex US Index (Net), and 3.7% FTSE Developed Small Cap ex US Liquid Index. Prior to April 28, 2023, the index had a different composition. See www.schwabassetmanagement.com/glossary for additional detail. |
| Performance Inception Date | Jul. 25, 2012 |
| Updated Performance Information Location [Text Block] | To obtain performance information current to the most recent month end, please visit www.schwabassetmanagement.com/schwabfunds_prospectus . |
| Net Assets | $ 164,985,000 |
| Holdings Count | Holding | 8 |
| Investment Company, Portfolio Turnover | 5% |
| Additional Fund Statistics [Text Block] | Statistics Net Assets (thousands) $164,985 Number of Holdings 8 Portfolio Turnover Rate (not annualized) 5% |
| Holdings [Text Block] | Asset Class Weightings % of Investments 1 Top Holdings % of Net Assets 1,2 Portfolio holdings may have changed since the report date. 1 The fund intends to primarily invest in affiliated Schwab ETFs and may also invest in affiliated Schwab Funds and unaffiliated third-party ETFs and mutual funds (all such ETFs and mutual funds referred to as “underlying funds”). The fund may also invest directly in equity, fixed-income, or other securities or investments, as appropriate, consistent with its investment objectives, strategies, and policies. 2 This list is not a recommendation of any security by the investment adviser. |
| Largest Holdings [Text Block] | Top Holdings % of Net Assets 1,2 Portfolio holdings may have changed since the report date. 1 The fund intends to primarily invest in affiliated Schwab ETFs and may also invest in affiliated Schwab Funds and unaffiliated third-party ETFs and mutual funds (all such ETFs and mutual funds referred to as “underlying funds”). The fund may also invest directly in equity, fixed-income, or other securities or investments, as appropriate, consistent with its investment objectives, strategies, and policies. 2 This list is not a recommendation of any security by the investment adviser. |
| Shareholder Report, Average Annual Return (Details) | 6 Months Ended | 12 Months Ended | 60 Months Ended | 120 Months Ended | |
| Jun. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2024 | ||
| Schwab VIT Growth Portfolio | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | Schwab VIT Growth Portfolio | ||||
| Average Annual Return, Percent | [1] | 6.93% | 13.83% | 7.23% | 5.86% |
| Schwab VIT Balanced with Growth Portfolio | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | Schwab VIT Balanced with Growth Portfolio | ||||
| Average Annual Return, Percent | [1] | 5.62% | 11.72% | 5.73% | 4.82% |
| Schwab VIT Balanced Portfolio | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | Schwab VIT Balanced Portfolio | ||||
| Average Annual Return, Percent | [1] | 4.07% | 9.23% | 3.99% | 3.59% |
| Schwab S&P 500 Index Portfolio | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | Schwab S&P 500 Index Portfolio | ||||
| Average Annual Return, Percent | [2] | 15.25% | 24.50% | 14.99% | 12.76% |
| Standard & Poor's 500 Index [Member] | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | S&P 500® Index | ||||
| Average Annual Return, Percent | 15.29% | 24.56% | 15.05% | 12.86% | |
| Bloomberg US Aggregate Bond Index [Member] | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | Bloomberg US Aggregate Bond Index | ||||
| Average Annual Return, Percent | (0.71%) | 2.63% | (0.23%) | 1.35% | |
| VIT Growth Composite Index [Member] | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | [3] | VIT Growth Composite Index | |||
| Average Annual Return, Percent | 7.13% | 14.51% | 7.76% | 6.44% | |
| VIT Balanced With Growth Composite Index [Member] | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | [4] | VIT Balanced with Growth Composite Index | |||
| Average Annual Return, Percent | 5.86% | 12.44% | 6.31% | 5.43% | |
| VIT Balanced Composite Index [Member] | |||||
| Average Annual Return [Line Items] | |||||
| Line Graph and Table Measure Name | [5] | VIT Balanced Composite Index | |||
| Average Annual Return, Percent | 4.36% | 10.02% | 4.57% | 4.23% | |
| [1]Fund expenses may have been partially absorbed by the investment adviser and its affiliates. Without these reductions, the fund’s returns would have been lower. Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses.[2]Fund performance does not reflect the additional fees and expenses imposed by the insurance company under the variable insurance product contract. If those contract fees and expenses were included, the performance would be less than that shown. Please refer to the variable insurance product prospectus for a complete listing of these expenses.[3]A custom blended index developed by Schwab Asset Management based on a comparable portfolio asset allocation and calculated using the following portion allocations effective April 28, 2023: 14.0% Bloomberg US Aggregate Bond Index, 4.0% Bloomberg US Treasury Bills 1-3 Month Index, 6.0% Dow Jones Equity All REIT Capped Index, 39.6% Dow Jones U.S. Large Cap Total Stock Market Index, 6.3% Dow Jones U.S. Small Cap Total Stock Market Index, 5.4% FTSE All Emerging Index (Net), 21.0% FTSE Developed ex US Index (Net), and 3.7% FTSE Developed Small Cap ex US Liquid Index. Prior to April 28, 2023, the index had a different composition. See www.schwabassetmanagement.com/glossary for additional detail.[4]A custom blended index developed by Schwab Asset Management based on a comparable portfolio asset allocation and calculated using the following portion allocations effective April 28, 2023: 26.1% Bloomberg US Aggregate Bond Index, 3.9% Bloomberg US Treasury 1-3 Year Index, 4.0% Bloomberg US Treasury Bills 1-3 Month Index, 1.0% Bloomberg US Treasury Inflation-Linked Bond Index (Series-L), 4.6% Dow Jones Equity All REIT Capped Index, 34.0% Dow Jones U.S. Large Cap Total Stock Market Index, 4.2% Dow Jones U.S. Small Cap Total Stock Market Index, 3.2% FTSE All Emerging Index (Net), 16.0% FTSE Developed ex US Index (Net), and 3.0% FTSE Developed Small Cap ex US Liquid Index (Net). Prior to April 28, 2023, the index had a different composition. See www.schwabassetmanagement.com/glossary for additional detail.[5]A custom blended index developed by Schwab Asset Management based on a comparable portfolio asset allocation and calculated using the following portion allocations effective April 28, 2023: 36.3% Bloomberg US Aggregate Bond Index, 9.0% Bloomberg US Treasury 1-3 Year Index, 4.0% Bloomberg US Treasury Bills 1-3 Month Index, 3.7% Bloomberg US Treasury Inflation-Linked Bond Index (Series-L), 3.3% Dow Jones Equity All REIT Capped Index, 25.9% Dow Jones U.S. Large Cap Total Stock Market Index, 2.8% Dow Jones U.S. Small Cap Total Stock Market Index, 2.0% FTSE All Emerging Index (Net), 11.0% FTSE Developed ex US Index (Net), and 2.0% FTSE Developed Small Cap ex US Liquid Index (Net). Prior to April 28, 2023, the index had a different composition. See www.schwabassetmanagement.com/glossary for additional detail. | |||||
| Shareholder Report, Holdings (Details) | Jun. 30, 2024 | |
| Schwab US Aggregate Bond ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 26.10% | [1],[2] |
| Schwab US LargeCap ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 33.90% | [1],[2] |
| Schwab International Equity ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 16% | [1],[2] |
| Schwab ShortTerm US Treasury ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.90% | [1],[2] |
| Schwab US TIPS ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1% | [1],[2] |
| Schwab US REIT ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.70% | [1],[2] |
| Schwab Variable Share Price Money Fund Ultra Shares [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.30% | [1],[2] |
| Schwab US SmallCap ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 4.20% | [1],[2] |
| Schwab Emerging Markets Equity ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.20% | [1],[2] |
| Schwab International SmallCap Equity ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3% | [1],[2] |
| Fixed Income [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 31.20% | [1] |
| US Stocks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 38.40% | [1] |
| International Stocks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 22.40% | [1] |
| Money Market Fund [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.30% | [1] |
| Real Estate [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4.70% | [1] |
| Schwab S&P 500 Index Portfolio | Microsoft Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 7.20% | [2] |
| Schwab S&P 500 Index Portfolio | NVIDIA Corp [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.60% | [2] |
| Schwab S&P 500 Index Portfolio | Apple Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.60% | [2] |
| Schwab S&P 500 Index Portfolio | Amazon com Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.90% | [2] |
| Schwab S&P 500 Index Portfolio | Meta Platforms Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.40% | [2] |
| Schwab S&P 500 Index Portfolio | Alphabet Inc Class A [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.30% | [2] |
| Schwab S&P 500 Index Portfolio | Alphabet Inc Class C [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2% | [2] |
| Schwab S&P 500 Index Portfolio | Berkshire Hathaway Inc Class B [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.60% | [2] |
| Schwab S&P 500 Index Portfolio | Eli Lilly Co [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.60% | [2] |
| Schwab S&P 500 Index Portfolio | Broadcom Inc [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 1.50% | [2] |
| Schwab S&P 500 Index Portfolio | Information Technology Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 32.40% | [3] |
| Schwab S&P 500 Index Portfolio | Financials [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 12.40% | [3] |
| Schwab S&P 500 Index Portfolio | Healthcare Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 11.70% | [3] |
| Schwab S&P 500 Index Portfolio | Consumer Discretionary Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 10% | [3] |
| Schwab S&P 500 Index Portfolio | Communications Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 9.30% | [3] |
| Schwab S&P 500 Index Portfolio | Industrial Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 8.10% | [3] |
| Schwab S&P 500 Index Portfolio | Consumer Staples Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.80% | [3] |
| Schwab S&P 500 Index Portfolio | Energy Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.60% | [3] |
| Schwab S&P 500 Index Portfolio | Utilities Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.30% | [3] |
| Schwab S&P 500 Index Portfolio | Materials Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.20% | [3] |
| Schwab S&P 500 Index Portfolio | Real Estate Sector [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 2.20% | [3] |
| Schwab Government Money Market Portfolio | 1 to 7 Days | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 83.20% | [4] |
| Schwab Government Money Market Portfolio | 8 to 30 Days | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.40% | [4] |
| Schwab Government Money Market Portfolio | 31 to 60 Days | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.40% | [4] |
| Schwab Government Money Market Portfolio | 61 to 90 Days | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 1.90% | [4] |
| Schwab Government Money Market Portfolio | 91 to 180 Days | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 4% | [4] |
| Schwab Government Money Market Portfolio | Over 180 Days | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 8.10% | [4] |
| Schwab Government Money Market Portfolio | Repurchase Agreements [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 64.70% | |
| Schwab Government Money Market Portfolio | Repurchase Agreements US Government Agency [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 25.60% | |
| Schwab Government Money Market Portfolio | Repurchase Agreements US Treasury [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 39.10% | |
| Schwab Government Money Market Portfolio | US Government Agency Debt [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 29.50% | |
| Schwab Government Money Market Portfolio | US Treasury Debt [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 5.60% | |
| Schwab Government Money Market Portfolio | Variable Rate Demand Notes [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0.20% | |
| Schwab Government Money Market Portfolio | Short Term Investment [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 0% | [5],[6] |
| Schwab VIT Balanced Portfolio | Schwab US Aggregate Bond ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 36.30% | [1],[2] |
| Schwab VIT Balanced Portfolio | Schwab US LargeCap ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 25.90% | [1],[2] |
| Schwab VIT Balanced Portfolio | Schwab International Equity ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 11% | [1],[2] |
| Schwab VIT Balanced Portfolio | Schwab ShortTerm US Treasury ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 9% | [1],[2] |
| Schwab VIT Balanced Portfolio | Schwab US TIPS ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.70% | [1],[2] |
| Schwab VIT Balanced Portfolio | Schwab US REIT ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.30% | [1],[2] |
| Schwab VIT Balanced Portfolio | Schwab Variable Share Price Money Fund Ultra Shares [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.30% | [1],[2] |
| Schwab VIT Balanced Portfolio | Schwab US SmallCap ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2.80% | [1],[2] |
| Schwab VIT Balanced Portfolio | Schwab Emerging Markets Equity ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2% | [1],[2] |
| Schwab VIT Balanced Portfolio | Schwab International SmallCap Equity ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 2% | [1],[2] |
| Schwab VIT Balanced Portfolio | Fixed Income [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 49.40% | [1] |
| Schwab VIT Balanced Portfolio | US Stocks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 28.80% | [1] |
| Schwab VIT Balanced Portfolio | International Stocks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 15.10% | [1] |
| Schwab VIT Balanced Portfolio | Money Market Fund [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.30% | [1] |
| Schwab VIT Balanced Portfolio | Real Estate [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.40% | [1] |
| Schwab VIT Growth Portfolio | Schwab US Aggregate Bond ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 14% | [1],[2] |
| Schwab VIT Growth Portfolio | Schwab US LargeCap ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 39.50% | [1],[2] |
| Schwab VIT Growth Portfolio | Schwab International Equity ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 21.10% | [1],[2] |
| Schwab VIT Growth Portfolio | Schwab US REIT ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6% | [1],[2] |
| Schwab VIT Growth Portfolio | Schwab Variable Share Price Money Fund Ultra Shares [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.10% | [1],[2] |
| Schwab VIT Growth Portfolio | Schwab US SmallCap ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 6.30% | [1],[2] |
| Schwab VIT Growth Portfolio | Schwab Emerging Markets Equity ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 5.40% | [1],[2] |
| Schwab VIT Growth Portfolio | Schwab International SmallCap Equity ETF [Member] | ||
| Holdings [Line Items] | ||
| Percent of Net Asset Value | 3.70% | [1],[2] |
| Schwab VIT Growth Portfolio | Fixed Income [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 14.20% | [1] |
| Schwab VIT Growth Portfolio | US Stocks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 46.20% | [1] |
| Schwab VIT Growth Portfolio | International Stocks [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 30.40% | [1] |
| Schwab VIT Growth Portfolio | Money Market Fund [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 3.10% | [1] |
| Schwab VIT Growth Portfolio | Real Estate [Member] | ||
| Holdings [Line Items] | ||
| Percent of Total Investments | 6.10% | [1] |
| [1]The fund intends to primarily invest in affiliated Schwab ETFs and may also invest in affiliated Schwab Funds and unaffiliated third-party ETFs and mutual funds (all such ETFs and mutual funds referred to as “underlying funds”). The fund may also invest directly in equity, fixed-income, or other securities or investments, as appropriate, consistent with its investment objectives, strategies, and policies.[2]This list is not a recommendation of any security by the investment adviser.[3]Excludes derivatives.[4]Maturity shown is the date the security matures, the date the interest rate on those securities is reset, or the date those securities can be redeemed through demand.[5]Includes the fund’s position in money market mutual funds registered under the Investment Company Act of 1940, as amended.[6]Less than 0.05% | ||
