Shareholder Report
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6 Months Ended |
|
Jun. 30, 2026
USD ($)
Holding
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| Shareholder Report [Line Items] |
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|
| Document Type |
N-CSRS
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| Amendment Flag |
false
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| Registrant Name |
BlackRock Strategic Global Bond Fund, Inc.
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|
| Entity Central Index Key |
0000835620
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|
| Entity Investment Company Type |
N-1A
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|
| Document Period End Date |
Jun. 30, 2026
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|
| C000162768 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
BlackRock Strategic Global Bond Fund, Inc.
|
|
| Class Name |
Class K Shares
|
|
| Trading Symbol |
MKWIX
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|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about BlackRock Strategic Global Bond Fund, Inc. (the “Fund”) for the period of January 1, 2026 to June 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at blackrock.com/fundreports. You can also request this information by contacting us at (800) 441‑7762.
|
|
| Additional Information Phone Number |
(800) 441‑7762
|
|
| Additional Information Website |
blackrock.com/fundreports
|
|
| Expenses [Text Block] |
What were the Fund costs for the last six months ? (based on a hypothetical $10,000 investment)
| Class name |
Costs of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
| Class K Shares |
$24 |
0.48%(a) |
|
|
| Expenses Paid, Amount |
$ 24
|
|
| Expense Ratio, Percent |
0.48%
|
[1] |
| Net Assets |
$ 929,595,959
|
|
| Holdings Count | Holding |
3,173
|
|
| Investment Company Portfolio Turnover |
176.00%
|
|
| Additional Fund Statistics [Text Block] |
| Key Fund statistics |
|
| Net Assets |
$929,595,959 |
| Number of Portfolio Holdings |
3,173 |
| Portfolio Turnover Rate |
176% |
|
|
| Holdings [Text Block] |
What did the Fund invest in? (as of June 30, 2026)
| Portfolio composition |
| Investment Type |
Percent of Total Investments(a) |
|
| Foreign Agency Obligations |
27.3 |
% |
| U.S. Government Sponsored Agency Securities |
20.5 |
% |
| Corporate Bonds |
15.3 |
% |
| Non-Agency Mortgage-Backed Securities |
13.5 |
% |
| Asset-Backed Securities |
9.0 |
% |
| Investment Companies |
7.2 |
% |
| Floating Rate Loan Interests |
2.4 |
% |
| Common Stocks |
2.2 |
% |
| Capital Trusts |
1.6 |
% |
| Preferred Stocks |
0.7 |
% |
| Other* |
0.3 |
% |
| Geographic allocation |
| Country/Geographic Region |
Percent of Total Investments(a) |
|
| United States |
54.9 |
% |
| Spain |
5.8 |
% |
| China |
4.2 |
% |
| United Kingdom |
4.0 |
% |
| Italy |
3.3 |
% |
| Cayman Islands |
2.5 |
% |
| Mexico |
2.1 |
% |
| France |
2.0 |
% |
| Germany |
1.5 |
% |
| South Africa |
1.5 |
% |
| Other# |
18.2 |
% |
| (a) |
Excludes short-term securities, short investments and options, if any. |
| * |
Ten largest investment types are presented. Additional investment types are found in Other. |
| # |
Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other. |
|
|
| C000038980 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
BlackRock Strategic Global Bond Fund, Inc.
|
|
| Class Name |
Investor C Shares
|
|
| Trading Symbol |
MHWIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about BlackRock Strategic Global Bond Fund, Inc. (the “Fund”) for the period of January 1, 2026 to June 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at blackrock.com/fundreports. You can also request this information by contacting us at (800) 441‑7762.
|
|
| Additional Information Phone Number |
(800) 441‑7762
|
|
| Additional Information Website |
blackrock.com/fundreports
|
|
| Expenses [Text Block] |
What were the Fund costs for the last six months ? (based on a hypothetical $10,000 investment)
| Class name |
Costs of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
| Investor C Shares |
$76 |
1.53%(a) |
|
|
| Expenses Paid, Amount |
$ 76
|
|
| Expense Ratio, Percent |
1.53%
|
[2] |
| Net Assets |
$ 929,595,959
|
|
| Holdings Count | Holding |
3,173
|
|
| Investment Company Portfolio Turnover |
176.00%
|
|
| Additional Fund Statistics [Text Block] |
| Key Fund statistics |
|
| Net Assets |
$929,595,959 |
| Number of Portfolio Holdings |
3,173 |
| Portfolio Turnover Rate |
176% |
|
|
| Holdings [Text Block] |
What did the Fund invest in? (as of June 30, 2026)
| Portfolio composition |
| Investment Type |
Percent of Total Investments(a) |
|
| Foreign Agency Obligations |
27.3 |
% |
| U.S. Government Sponsored Agency Securities |
20.5 |
% |
| Corporate Bonds |
15.3 |
% |
| Non-Agency Mortgage-Backed Securities |
13.5 |
% |
| Asset-Backed Securities |
9.0 |
% |
| Investment Companies |
7.2 |
% |
| Floating Rate Loan Interests |
2.4 |
% |
| Common Stocks |
2.2 |
% |
| Capital Trusts |
1.6 |
% |
| Preferred Stocks |
0.7 |
% |
| Other* |
0.3 |
% |
| Geographic allocation |
| Country/Geographic Region |
Percent of Total Investments(a) |
|
| United States |
54.9 |
% |
| Spain |
5.8 |
% |
| China |
4.2 |
% |
| United Kingdom |
4.0 |
% |
| Italy |
3.3 |
% |
| Cayman Islands |
2.5 |
% |
| Mexico |
2.1 |
% |
| France |
2.0 |
% |
| Germany |
1.5 |
% |
| South Africa |
1.5 |
% |
| Other# |
18.2 |
% |
| (a) |
Excludes short-term securities, short investments and options, if any. |
| * |
Ten largest investment types are presented. Additional investment types are found in Other. |
| # |
Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other. |
|
|
| C000007879 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
BlackRock Strategic Global Bond Fund, Inc.
|
|
| Class Name |
Investor A Shares
|
|
| Trading Symbol |
MDWIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about BlackRock Strategic Global Bond Fund, Inc. (the “Fund”) for the period of January 1, 2026 to June 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at blackrock.com/fundreports. You can also request this information by contacting us at (800) 441‑7762.
|
|
| Additional Information Phone Number |
(800) 441‑7762
|
|
| Additional Information Website |
blackrock.com/fundreports
|
|
| Expenses [Text Block] |
What were the Fund costs for the last six months ? (based on a hypothetical $10,000 investment)
| Class name |
Costs of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
| Investor A Shares |
$39 |
0.78%(a) |
|
|
| Expenses Paid, Amount |
$ 39
|
|
| Expense Ratio, Percent |
0.78%
|
[3] |
| Net Assets |
$ 929,595,959
|
|
| Holdings Count | Holding |
3,173
|
|
| Investment Company Portfolio Turnover |
176.00%
|
|
| Additional Fund Statistics [Text Block] |
| Key Fund statistics |
|
| Net Assets |
$929,595,959 |
| Number of Portfolio Holdings |
3,173 |
| Portfolio Turnover Rate |
176% |
|
|
| Holdings [Text Block] |
What did the Fund invest in? (as of June 30, 2026)
| Portfolio composition |
| Investment Type |
Percent of Total Investments(a) |
|
| Foreign Agency Obligations |
27.3 |
% |
| U.S. Government Sponsored Agency Securities |
20.5 |
% |
| Corporate Bonds |
15.3 |
% |
| Non-Agency Mortgage-Backed Securities |
13.5 |
% |
| Asset-Backed Securities |
9.0 |
% |
| Investment Companies |
7.2 |
% |
| Floating Rate Loan Interests |
2.4 |
% |
| Common Stocks |
2.2 |
% |
| Capital Trusts |
1.6 |
% |
| Preferred Stocks |
0.7 |
% |
| Other* |
0.3 |
% |
| Geographic allocation |
| Country/Geographic Region |
Percent of Total Investments(a) |
|
| United States |
54.9 |
% |
| Spain |
5.8 |
% |
| China |
4.2 |
% |
| United Kingdom |
4.0 |
% |
| Italy |
3.3 |
% |
| Cayman Islands |
2.5 |
% |
| Mexico |
2.1 |
% |
| France |
2.0 |
% |
| Germany |
1.5 |
% |
| South Africa |
1.5 |
% |
| Other# |
18.2 |
% |
| (a) |
Excludes short-term securities, short investments and options, if any. |
| * |
Ten largest investment types are presented. Additional investment types are found in Other. |
| # |
Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other. |
|
|
| C000007882 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
BlackRock Strategic Global Bond Fund, Inc.
|
|
| Class Name |
Institutional Shares
|
|
| Trading Symbol |
MAWIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about BlackRock Strategic Global Bond Fund, Inc. (the “Fund”) for the period of January 1, 2026 to June 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information about the Fund at blackrock.com/fundreports. You can also request this information by contacting us at (800) 441‑7762.
|
|
| Additional Information Phone Number |
(800) 441‑7762
|
|
| Additional Information Website |
blackrock.com/fundreports
|
|
| Expenses [Text Block] |
What were the Fund costs for the last six months ? (based on a hypothetical $10,000 investment)
| Class name |
Costs of a $10,000 investment |
Costs paid as a percentage of a $10,000 investment |
| Institutional Shares |
$26 |
0.53%(a) |
|
|
| Expenses Paid, Amount |
$ 26
|
|
| Expense Ratio, Percent |
0.53%
|
[4] |
| Net Assets |
$ 929,595,959
|
|
| Holdings Count | Holding |
3,173
|
|
| Investment Company Portfolio Turnover |
176.00%
|
|
| Additional Fund Statistics [Text Block] |
| Key Fund statistics |
|
| Net Assets |
$929,595,959 |
| Number of Portfolio Holdings |
3,173 |
| Portfolio Turnover Rate |
176% |
|
|
| Holdings [Text Block] |
What did the Fund invest in? (as of June 30, 2026)
| Portfolio composition |
| Investment Type |
Percent of Total Investments(a) |
|
| Foreign Agency Obligations |
27.3 |
% |
| U.S. Government Sponsored Agency Securities |
20.5 |
% |
| Corporate Bonds |
15.3 |
% |
| Non-Agency Mortgage-Backed Securities |
13.5 |
% |
| Asset-Backed Securities |
9.0 |
% |
| Investment Companies |
7.2 |
% |
| Floating Rate Loan Interests |
2.4 |
% |
| Common Stocks |
2.2 |
% |
| Capital Trusts |
1.6 |
% |
| Preferred Stocks |
0.7 |
% |
| Other* |
0.3 |
% |
| Geographic allocation |
| Country/Geographic Region |
Percent of Total Investments(a) |
|
| United States |
54.9 |
% |
| Spain |
5.8 |
% |
| China |
4.2 |
% |
| United Kingdom |
4.0 |
% |
| Italy |
3.3 |
% |
| Cayman Islands |
2.5 |
% |
| Mexico |
2.1 |
% |
| France |
2.0 |
% |
| Germany |
1.5 |
% |
| South Africa |
1.5 |
% |
| Other# |
18.2 |
% |
| (a) |
Excludes short-term securities, short investments and options, if any. |
| * |
Ten largest investment types are presented. Additional investment types are found in Other. |
| # |
Ten largest countries/geographic regions are presented. Additional countries/geographic regions are found in Other. |
|
|
|
|