v3.25.4
S000027378 [Member] Expense Example - AB Bond Inflation Strategy
Oct. 31, 2025
USD ($)
Class Z  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 59
Expense Example, with Redemption, 3 Years 214
Expense Example, with Redemption, 5 Years 382
Expense Example, with Redemption, 10 Years 870
Class A  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 308
Expense Example, with Redemption, 3 Years 530
Expense Example, with Redemption, 5 Years 770
Expense Example, with Redemption, 10 Years 1,459
Class C  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 261 [1]
Expense Example, with Redemption, 3 Years 547
Expense Example, with Redemption, 5 Years 959
Expense Example, with Redemption, 10 Years 1,908
Advisor Class  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 59
Expense Example, with Redemption, 3 Years 233
Expense Example, with Redemption, 5 Years 423
Expense Example, with Redemption, 10 Years 969
Class 1  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 69
Expense Example, with Redemption, 3 Years 243
Expense Example, with Redemption, 5 Years 432
Expense Example, with Redemption, 10 Years 979
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 59
Expense Example, with Redemption, 3 Years 233
Expense Example, with Redemption, 5 Years 423
Expense Example, with Redemption, 10 Years 969
Class 2  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 59
Expense Example, with Redemption, 3 Years 210
Expense Example, with Redemption, 5 Years 373
Expense Example, with Redemption, 10 Years $ 848
[1]
If you did not redeem your shares at the end of the period, your expenses would be decreased by approximately $100.