Shareholder Report, Average Annual Return (Details) |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2026 |
Jul. 31, 2026 |
|
| C000131671 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $25,666 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Communication Services Index ETF | ||
| C000131662 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $34,977 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Consumer Discretionary Index ETF | ||
| C000131664 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $21,024 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Consumer Staples Index ETF | ||
| C000131665 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $25,194 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Energy Index ETF | ||
| C000131666 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $34,784 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Financials Index ETF | ||
| C000131667 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $25,656 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Health Care Index ETF | ||
| C000131668 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $36,860 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Industrials Index ETF | ||
| C000131669 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $84,407 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Information Technology Index ETF | ||
| C000131670 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $24,690 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Materials Index ETF | ||
| C000151119 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $16,861 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Real Estate Index ETF | ||
| C000131663 | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $23,068 Fidelity<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> MSCI Utilities Index ETF | ||
| Without Sales Load [Member] | C000131671 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 4.63% | 5.59% | 9.88% |
| Without Sales Load [Member] | C000131662 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 6.74% | 5.40% | 13.34% |
| Without Sales Load [Member] | C000131664 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 8.84% | 6.89% | 7.71% |
| Without Sales Load [Member] | C000131665 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 41.15% | 23.72% | 9.68% |
| Without Sales Load [Member] | C000131666 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 10.98% | 11.33% | 13.28% |
| Without Sales Load [Member] | C000131667 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 28.54% | 5.07% | 9.88% |
| Without Sales Load [Member] | C000131668 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 19.73% | 13.29% | 13.93% |
| Without Sales Load [Member] | C000131669 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 32.08% | 18.06% | 23.78% |
| Without Sales Load [Member] | C000131670 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 16.00% | 5.80% | 9.46% |
| Without Sales Load [Member] | C000151119 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 15.04% | 2.41% | 5.36% |
| Without Sales Load [Member] | C000131663 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 6.17% | 9.16% | 8.72% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: S&P 500® Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $40,742 S&P 500<sup style="inset: 1.5px 0px 4px; box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center; text-align-last: auto; white-space-collapse: preserve-breaks;">®</sup> Index | ||
| Average Annual Return, Percent | 19.56% | 12.86% | 15.08% |
| Fidelity Index: MSCI USA IMI Communication Services 25/50 Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $25,947 MSCI USA IMI Communication Services 25/50 Index | ||
| Average Annual Return, Percent | 4.79% | 5.70% | 10.00% |
| Fidelity Index: Fidelity MSCI Consumer Discretionary Index ETF Capped Linked Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $35,044 Fidelity MSCI Consumer Discretionary Index ETF Capped Linked Index℠ | ||
| Average Annual Return, Percent | 6.79% | 5.49% | 13.36% |
| Fidelity Index: Fidelity MSCI Consumer Staples Index ETF Capped Linked Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $21,248 Fidelity MSCI Consumer Staples Index ETF Capped Linked Index℠ | ||
| Average Annual Return, Percent | 8.92% | 6.99% | 7.83% |
| Fidelity Index: Fidelity MSCI Energy Index ETF Capped Linked Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $25,410 Fidelity MSCI Energy Index ETF Capped Linked Index℠ | ||
| Average Annual Return, Percent | 41.27% | 23.84% | 9.77% |
| Fidelity Index: Fidelity MSCI Financials Index ETF Capped Linked Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $35,108 Fidelity MSCI Financials Index ETF Capped Linked Index℠ | ||
| Average Annual Return, Percent | 11.04% | 11.42% | 13.38% |
| Fidelity Index: Fidelity MSCI Health Care Index ETF Capped Linked Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $25,882 Fidelity MSCI Health Care Index ETF Capped Linked Index℠ | ||
| Average Annual Return, Percent | 28.65% | 5.15% | 9.98% |
| Fidelity Index: Fidelity MSCI Industrials Index ETF Capped Linked Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $37,209 Fidelity MSCI Industrials Index ETF Capped Linked Index℠ | ||
| Average Annual Return, Percent | 19.84% | 13.40% | 14.04% |
| Fidelity Index: Fidelity MSCI Information Technology Index ETF Capped Linked Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $85,174 Fidelity MSCI Information Technology Index ETF Capped Linked Index℠ | ||
| Average Annual Return, Percent | 32.29% | 18.15% | 23.89% |
| Fidelity Index: Fidelity MSCI Materials Index ETF Capped Linked Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $24,839 Fidelity MSCI Materials Index ETF Capped Linked Index℠ | ||
| Average Annual Return, Percent | 16.10% | 5.90% | 9.53% |
| Fidelity Index: Fidelity MSCI Real Estate Index ETF Capped Linked Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $17,018 Fidelity MSCI Real Estate Index ETF Capped Linked Index℠ | ||
| Average Annual Return, Percent | 15.14% | 2.47% | 5.46% |
| Fidelity Index: Fidelity MSCI Utilities Index ETF Capped Linked Index | |||
| Average Annual Return [Line Items] | |||
| Line Graph and Table Measure Name | $23,308 Fidelity MSCI Utilities Index ETF Capped Linked Index℠ | ||
| Average Annual Return, Percent | 6.27% | 9.25% | 8.83% |