Class I Shares [Member] Class S Shares [Member] Class D Shares [Member] No Operating History [Member] Unlisted Closed-End Fund Structure; Limited Liquidity [Member] Repurchase Offers Risks [Member] Market Risk [Member] Recent Market Events [Member] Non-Diversification Risk [Member] Multiple Levels of Fees and Expenses [Member] Tax Risks [Member] Legal and Regulatory Risks [Member] Cybersecurity Risks [Member] Investments in Portfolio Funds; Dependence on Portfolio Fund Managers [Member] Portfolio Funds Not Registered [Member] Leverage in Portfolio Funds and Portfolio Companies [Member] Portfolio Funds’ Interests are Generally Illiquid [Member] Valuation of the Fund’s Private Infrastructure Investments [Member] Valuations Subject to Adjustment [Member] Capital Call Risk [Member] Termination of the Fund’s Interest in a Portfolio Fund [Member] Risks Related to Portfolio Companies [Member] Limited Operating History of Portfolio Companies [Member] Competition for Investment Opportunities [Member] Access to Investments [Member] Risks Related to Secondary Investments [Member] Risks Related to Co-Investments [Member] Concentration of Investments [Member] Foreign Investment Risk [Member] Currency Risk [Member] Fixed Income Securities Risk [Member] Credit Risk [Member] Asset-Backed Securities Risk [Member] CLO Risks [Member] CMBS Risk [Member] ETF and Mutual Fund Risk [Member] Temporary Investments [Member] Investments in Infrastructure Assets [Member] Development Risks [Member] Operations and Maintenance Risk [Member] Commodity Price Risk [Member] Real Estate Risks [Member] Investment in Restructurings [Member] Governmental and Regulatory Risks [Member] Change of Law and Sovereign Risk [Member] Outside Events [Member] Rate Regulation [Member] Inflation Risk [Member] Interest Rate Risk One [Member] Environmental Matters [Member] Documentation and Legal Risks [Member] Energy Sub-Sector Risks [Member] Demand/Usage Risk [Member] Renewable Energy [Member] Government Regulation of the Natural Resources Industry [Member] Insurance Limitations [Member]