Annual Total Returns - American Century International Bond Fund |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| EMERGING MARKETS DEBT FUND | EMERGING MARKETS DEBT FUND, INVESTOR CLASS | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 14.90% | 1.59% | 9.12% | (12.84%) | (1.57%) | 6.53% | 12.38% | (2.77%) | 6.86% | 9.84% |
| GLOBAL BOND FUND | GLOBAL BOND FUND, INVESTOR CLASS | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 4.86% | 2.26% | 6.58% | (13.25%) | (1.24%) | 4.58% | 8.41% | (0.32%) | 3.75% | 4.04% |