| VBILX | VTBIX | VBILX / VTBIX | |
| Total Expense Ratio | 0.06 | 0.09 | 67% |
| Annual Report Gross Expense Ratio | 0.06 | 0.09 | 67% |
| Fund Existence | 25 years | 18 years | - |
| Gain YTD | -3.788 | -3.112 | 122% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 52.1B | 390B | 13% |
| Annual Yield % from dividends | 4.36 | 4.09 | 107% |
| Returns for 1 year | -3.79 | -2.81 | 135% |
| Returns for 3 years | 2.36 | 1.19 | 198% |
| Returns for 5 years | -16.80 | -16.65 | 101% |
| Returns for 10 years | -8.44 | -14.62 | 58% |