v3.25.2
Label Element Value
Risk/Return: oef_RiskReturnAbstract  
Document Type dei_DocumentType 485BPOS
Document Period End Date dei_DocumentPeriodEndDate Apr. 30, 2025
Registrant Name dei_EntityRegistrantName NEW YORK LIFE INVESTMENTS FUNDS TRUST
Entity Central Index Key dei_EntityCentralIndexKey 0001469192
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Aug. 21, 2025
Document Effective Date dei_DocumentEffectiveDate Aug. 28, 2025
Entity Investment Company Type dei_EntityInvCompanyType N-1A
Prospectus Date oef_ProspectusDate Aug. 28, 2025
Prospectus Summary | NYLI CBRE Global Infrastructure Fund | Class A  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol VCRAX
Prospectus Summary | NYLI CBRE Global Infrastructure Fund | Investor Class  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol VCRVX
Prospectus Summary | NYLI CBRE Global Infrastructure Fund | Class C  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol VCRCX
Prospectus Summary | NYLI CBRE Global Infrastructure Fund | Class I  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol VCRIX
Prospectus Summary | NYLI CBRE Global Infrastructure Fund | Class R6  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol VCRQX
Prospectus Summary | NYLI CBRE Real Estate Fund | Class A  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol CLARX
Prospectus Summary | NYLI CBRE Real Estate Fund | Investor Class  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol CRVRX
Prospectus Summary | NYLI CBRE Real Estate Fund | Class C  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol CRCRX
Prospectus Summary | NYLI CBRE Real Estate Fund | Class I  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol CRARX
Prospectus Summary | NYLI CBRE Real Estate Fund | Class R6  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol VREQX
Prospectus Summary | NYLI Conservative ETF Allocation Fund | Class A  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MNEAX
Prospectus Summary | NYLI Conservative ETF Allocation Fund | Class C  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MNEKX
Prospectus Summary | NYLI Conservative ETF Allocation Fund | Class I  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MNELX
Prospectus Summary | NYLI Conservative ETF Allocation Fund | Class R3  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MNERX
Prospectus Summary | NYLI Conservative ETF Allocation Fund | SIMPLE Class  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MNEVX
Prospectus Summary | NYLI Moderate ETF Allocation Fund | Class A  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MDAAX
Prospectus Summary | NYLI Moderate ETF Allocation Fund | Class C  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MDAKX
Prospectus Summary | NYLI Moderate ETF Allocation Fund | Class I  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MDAIX
Prospectus Summary | NYLI Moderate ETF Allocation Fund | Class R3  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MDARX
Prospectus Summary | NYLI Moderate ETF Allocation Fund | SIMPLE Class  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MDAVX
Prospectus Summary | NYLI Growth ETF Allocation Fund | Class A  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MOEAX
Prospectus Summary | NYLI Growth ETF Allocation Fund | Class C  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MOECX
Prospectus Summary | NYLI Growth ETF Allocation Fund | Class I  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MOEIX
Prospectus Summary | NYLI Growth ETF Allocation Fund | Class R3  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MOERX
Prospectus Summary | NYLI Growth ETF Allocation Fund | SIMPLE Class  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MOEVX
Prospectus Summary | NYLI Equity ETF Allocation Fund | Class A  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MWFAX
Prospectus Summary | NYLI Equity ETF Allocation Fund | Class C  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MWFCX
Prospectus Summary | NYLI Equity ETF Allocation Fund | Class I  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MWFIX
Prospectus Summary | NYLI Equity ETF Allocation Fund | Class R3  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MWFQX
Prospectus Summary | NYLI Equity ETF Allocation Fund | SIMPLE Class  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol MWFVX