Label

Element

Value

Risk/Return:

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Registrant Name

dei_EntityRegistrantName

OPPENHEIMER CAPITAL INCOME FUND

Prospectus Date

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Apr. 07, 2017

Supplement [Text Block]

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Oppenheimer Capital Appreciation Fund

Oppenheimer Capital Income Fund

Oppenheimer Corporate Bond Fund

Oppenheimer Developing Markets Fund

Oppenheimer Discovery Fund

Oppenheimer Discovery Mid Cap Growth Fund

Oppenheimer Dividend Opportunity Fund

Oppenheimer Emerging Markets Innovators Fund

Oppenheimer Emerging Markets Local Debt Fund

Oppenheimer Equity Income Fund

Oppenheimer Global Fund

Oppenheimer Global High Yield Fund

Oppenheimer Global Multi-Alternatives Fund

Oppenheimer Global Multi-Asset Growth Fund

Oppenheimer Global Multi-Asset Income Fund

Oppenheimer Global Multi Strategies Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

OPPENHEIMER CAPITAL APPRECIATION FUND | OPPENHEIMER CAPITAL APPRECIATION FUND

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

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Oppenheimer Capital Appreciation Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

OPPENHEIMER CAPITAL INCOME FUND | OPPENHEIMER CAPITAL INCOME FUND

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

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Oppenheimer Capital Income Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

Oppenheimer Corporate Bond Fund | Oppenheimer Corporate Bond Fund

Risk/Return:

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Supplement [Text Block]

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Oppenheimer Corporate Bond Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

OPPENHEIMER DEVELOPING MARKETS FUND | OPPENHEIMER DEVELOPING MARKETS FUND

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

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Oppenheimer Developing Markets Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

OPPENHEIMER DISCOVERY FUND | OPPENHEIMER DISCOVERY FUND

Risk/Return:

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Supplement [Text Block]

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Oppenheimer Discovery Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

OPPENHEIMER DISCOVERY MID CAP GROWTH FUND | OPPENHEIMER DISCOVERY MID CAP GROWTH FUND

Risk/Return:

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Supplement [Text Block]

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Oppenheimer Discovery Mid Cap Growth Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

OPPENHEIMER DIVIDEND OPPORTUNITY FUND | OPPENHEIMER DIVIDEND OPPORTUNITY FUND

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

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Oppenheimer Dividend Opportunity Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

Oppenheimer Emerging Markets Innovators Fund | Oppenheimer Emerging Markets Innovators Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

ocif_SupplementTextBlock

Oppenheimer Emerging Markets Innovators Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

Oppenheimer Emerging Markets Local Debt Fund | Oppenheimer Emerging Markets Local Debt Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

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Oppenheimer Emerging Markets Local Debt Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

OPPENHEIMER EQUITY INCOME FUND | OPPENHEIMER EQUITY INCOME FUND

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

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Oppenheimer Equity Income Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

OPPENHEIMER GLOBAL FUND | OPPENHEIMER GLOBAL FUND

Risk/Return:

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Supplement [Text Block]

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Oppenheimer Global Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

Oppenheimer Global High Yield Fund | OPPENHEIMER GLOBAL HIGH YIELD FUND

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

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Oppenheimer Global High Yield Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

Oppenheimer Global Multi-Alternatives Fund. | Oppenheimer Global Multi-Alternatives Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

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Oppenheimer Global Multi-Alternatives Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

Oppenheimer Global Multi-Asset Growth Fund | Global Multi-Asset Growth Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

ocif_SupplementTextBlock

Oppenheimer Global Multi-Asset Growth Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

Oppenheimer Global Multi-Asset Income Fund | Global Multi-Asset Income Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

ocif_SupplementTextBlock

Oppenheimer Global Multi-Asset Income Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”

Oppenheimer Global Multi Strategies Fund | Oppenheimer Global Multi Strategies Fund

Risk/Return:

rr_RiskReturnAbstract

Supplement [Text Block]

ocif_SupplementTextBlock

Oppenheimer Global Multi Strategies Fund

Supplement dated April 10, 2017 to the Prospectus and Statement of Additional Information

This supplement amends the Prospectus and Statement of Additional Information (“SAI”) of each of the above-referenced Funds (each, a “Fund”), and is in addition to any other supplements.

Prospectus

1. All references in the Prospectus to the Sales Charge Waiver Appendix in the SAI are hereby revised to refer to the appendix to the prospectus titled “Special Sales Charge Arrangements and Waivers.”