v3.26.1
Form N-CSR Cover
6 Months Ended
May 31, 2026
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name AB GLOBAL RISK ALLOCATION FUND, INC.
Entity Central Index Key 0000069752
Entity Investment Company Type N-1A
Document Period End Date May 31, 2026