0001364923 2011-04-29 2012-04-28 0001364923 fct3:S000019926Member 2011-04-29 2012-04-28 0001364923 fct3:S000019927Member 2011-04-29 2012-04-28 0001364923 fct3:S000015911Member 2011-04-29 2012-04-28 0001364923 fct3:S000015910Member 2011-04-29 2012-04-28 0001364923 fct3:S000015909Member 2011-04-29 2012-04-28 0001364923 fct3:S000019928Member 2011-04-29 2012-04-28 2012-04-28 Fidelity Commonwealth Trust II 0001364923 2012-12-11 2012-12-11 2012-02-29 false Other <div style="display:none">~ http://www.fidelity.com/role/ScheduleShareholderFeesFidelityInternationalEnhancedIndexFund column period compact * ~</div> <div style="display:none">~ http://www.fidelity.com/role/ScheduleShareholderFeesFidelityMidCapEnhancedIndexFund column period compact * ~</div> <div style="display:none">~ http://www.fidelity.com/role/ScheduleShareholderFeesFidelityLargeCapCoreEnhancedIndexFund column period compact * ~</div> <div style="display:none">~ http://www.fidelity.com/role/ScheduleShareholderFeesFidelityLargeCapValueEnhancedIndexFund column period compact * ~</div> <h2>Supplement to the<br/>Fidelity^&reg; International Enhanced Index Fund, Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, Fidelity Large Cap Value Enhanced Index Fund, Fidelity Mid Cap Enhanced Index Fund, Fidelity Small Cap Enhanced Index Fund<br/>April 28, 2012<br/>Prospectus</h2><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity International Enhanced Index Fund on page 3.</p><table width="95%" border=""><tr><td align="left" valign="bottom" colspan="7"><div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.00%</font> </div > </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in each "Fund Summary" section for Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, and Fidelity Large Cap Value Enhanced Index Fund on pages 6, 9, and 12, respectively. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">None</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity Mid Cap Enhanced Index Fund on page 15. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">0.75%</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the"Fund Summary" section for Fidelity Small Cap Enhanced Index Fund on page 18. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 90 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.50%</font> </div> </td> </tr> </table> <h2>Supplement to the<br/>Fidelity^&reg; International Enhanced Index Fund, Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, Fidelity Large Cap Value Enhanced Index Fund, Fidelity Mid Cap Enhanced Index Fund, Fidelity Small Cap Enhanced Index Fund<br/>April 28, 2012<br/>Prospectus</h2><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity International Enhanced Index Fund on page 3.</p><table width="95%" border=""><tr><td align="left" valign="bottom" colspan="7"><div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.00%</font> </div > </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in each "Fund Summary" section for Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, and Fidelity Large Cap Value Enhanced Index Fund on pages 6, 9, and 12, respectively. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">None</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity Mid Cap Enhanced Index Fund on page 15. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">0.75%</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the"Fund Summary" section for Fidelity Small Cap Enhanced Index Fund on page 18. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 90 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.50%</font> </div> </td> </tr> </table> <h2>Supplement to the<br/>Fidelity^&reg; International Enhanced Index Fund, Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, Fidelity Large Cap Value Enhanced Index Fund, Fidelity Mid Cap Enhanced Index Fund, Fidelity Small Cap Enhanced Index Fund<br/>April 28, 2012<br/>Prospectus</h2><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity International Enhanced Index Fund on page 3.</p><table width="95%" border=""><tr><td align="left" valign="bottom" colspan="7"><div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.00%</font> </div > </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in each "Fund Summary" section for Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, and Fidelity Large Cap Value Enhanced Index Fund on pages 6, 9, and 12, respectively. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">None</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity Mid Cap Enhanced Index Fund on page 15. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">0.75%</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the"Fund Summary" section for Fidelity Small Cap Enhanced Index Fund on page 18. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 90 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.50%</font> </div> </td> </tr> </table> <h2>Supplement to the<br/>Fidelity^&reg; International Enhanced Index Fund, Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, Fidelity Large Cap Value Enhanced Index Fund, Fidelity Mid Cap Enhanced Index Fund, Fidelity Small Cap Enhanced Index Fund<br/>April 28, 2012<br/>Prospectus</h2><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity International Enhanced Index Fund on page 3.</p><table width="95%" border=""><tr><td align="left" valign="bottom" colspan="7"><div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.00%</font> </div > </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in each "Fund Summary" section for Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, and Fidelity Large Cap Value Enhanced Index Fund on pages 6, 9, and 12, respectively. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">None</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity Mid Cap Enhanced Index Fund on page 15. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">0.75%</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the"Fund Summary" section for Fidelity Small Cap Enhanced Index Fund on page 18. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 90 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.50%</font> </div> </td> </tr> </table> <h2>Supplement to the<br/>Fidelity^&reg; International Enhanced Index Fund, Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, Fidelity Large Cap Value Enhanced Index Fund, Fidelity Mid Cap Enhanced Index Fund, Fidelity Small Cap Enhanced Index Fund<br/>April 28, 2012<br/>Prospectus</h2><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity International Enhanced Index Fund on page 3.</p><table width="95%" border=""><tr><td align="left" valign="bottom" colspan="7"><div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.00%</font> </div > </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in each "Fund Summary" section for Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, and Fidelity Large Cap Value Enhanced Index Fund on pages 6, 9, and 12, respectively. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">None</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity Mid Cap Enhanced Index Fund on page 15. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">0.75%</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the"Fund Summary" section for Fidelity Small Cap Enhanced Index Fund on page 18. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 90 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.50%</font> </div> </td> </tr> </table> <h2>Supplement to the<br/>Fidelity^&reg; International Enhanced Index Fund, Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, Fidelity Large Cap Value Enhanced Index Fund, Fidelity Mid Cap Enhanced Index Fund, Fidelity Small Cap Enhanced Index Fund<br/>April 28, 2012<br/>Prospectus</h2><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity International Enhanced Index Fund on page 3.</p><table width="95%" border=""><tr><td align="left" valign="bottom" colspan="7"><div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.00%</font> </div > </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in each "Fund Summary" section for Fidelity Large Cap Core Enhanced Index Fund, Fidelity Large Cap Growth Enhanced Index Fund, and Fidelity Large Cap Value Enhanced Index Fund on pages 6, 9, and 12, respectively. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">None</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the "Fund Summary" section for Fidelity Mid Cap Enhanced Index Fund on page 15. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 30 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">0.75%</font> </div> </td> </tr> </table><p align="left">Effective January 1, 2013, the following information replaces the information under "Shareholder fees" under the heading "Fee Table" in the"Fund Summary" section for Fidelity Small Cap Enhanced Index Fund on page 18. </p> <table width="95%" border=""> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><b>Shareholder fees<br/> <font size="-2">(fees paid directly from your investment)</font></b> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">&nbsp;</font> </div> </td> </tr> <tr> <td align="left" valign="bottom" colspan="7"> <div align="left"><font size="-1">Redemption fee on shares held less than 90 days (as a % of amount redeemed)</font> </div> </td> <td align="center" valign="bottom"> <div align="right"><font size="-1">1.50%</font> </div> </td> </tr> </table>