|
Investor Shares
|
Admiral Shares
|
Sales Charge (Load) Imposed on Purchases
|
None
|
None
|
Purchase Fee
|
None
|
None
|
Sales Charge (Load) Imposed on Reinvested
Dividends
|
None
|
None
|
Redemption Fee
|
None
|
None
|
Account Service Fee Per Year
(for certain fund account balances below $5,000,000)
|
$25
|
$25
|
|
Investor Shares
|
Admiral Shares
|
Management Fees
|
0.21
%
|
0.11%
|
12b-1 Distribution Fee
|
None
|
None
|
Other Expenses
|
0.00
%
|
0.00%
|
Total Annual Fund Operating Expenses
|
0.21
%
|
0.11%
|
|
1 Year
|
3 Years
|
5 Years
|
10 Years
|
Investor Shares
|
$22
|
$68
|
$118
|
$268
|
Admiral Shares
|
$11
|
$35
|
$62
|
$141
|
|
Total Return
|
Quarter
|
Highest
|
13.07
%
|
December 31, 2023
|
Lowest
|
-12.06
%
|
June 30, 2022
|
|
1 Year
|
5 Years
|
10 Years
|
Vanguard Long-Term Investment-Grade Fund
Investor Shares
|
|
|
|
Return Before Taxes
|
9.27
%
|
1.96
%
|
3.75
%
|
Return After Taxes on Distributions
|
7.19
|
0.02
|
1.64
|
Return After Taxes on Distributions and Sale of Fund Shares
|
5.42
|
0.90
|
2.13
|
Vanguard Long-Term Investment-Grade Fund
Admiral Shares
|
|
|
|
Return Before Taxes
|
9.38
%
|
2.06
%
|
3.86
%
|
Bloomberg U.S. Long Credit A or Better Bond Index
(reflects no deduction for fees, expenses, or taxes)
|
9.36
%
|
1.90
%
|
3.59
%
|
Bloomberg U.S. Aggregate Bond Index
(reflects no deduction for fees, expenses, or taxes)
|
5.53
|
1.10
|
1.81
|