v3.25.2
Shareholder Report
 6 Months Ended
Jun. 30, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Gabelli Dividend Growth Fund
Entity Central Index Key 0001086884
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2025
C000002889  
Shareholder Report [Line Items]  
Fund Name The Gabelli Dividend Growth Fund
Class Name Class AAA
Trading Symbol GABBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Gabelli Dividend Growth Fund (the Fund) for the period of January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You may find additional information about the Fund at www.gabelli.com/funds/open_ends. You may also request  information by contacting us at 800-GABELLI (800-422-3554).
Additional Information Phone Number 800-GABELLI (800-422-3554)
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
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 $10k Investment
Costs Paid as a % of a $10k Investment
The Gabelli Dividend Growth Fund - Class AAA
$103
2.01%
Expenses Paid, Amount $ 103
Expense Ratio, Percent 2.01%
Factors Affecting Performance [Text Block]

How did the Fund perform?

For the six months ended June 30, 2025, the Gabelli Dividend Growth Fund outperformed its broad-based benchmark, S&P 500 Index, and a comparative, MSCI USA High Dividend Yield Index, while slightly underperforming another comparative, the Lipper Large Cap Value Fund Index. The Fund benefited from being overweight industrials and from specific financial stocks, as well as positions in building products distributors, including two being acquired. Healthcare holdings detracted from performance. The Fund focuses on owning a diversified set of well-managed businesses trading at compelling valuations, usually with a catalyst or an improving competitive position.
Performance Past Does Not Indicate Future [Text] Past performance does not guarantee future results.
Line Graph [Table Text Block]
Growth of 10K Chart
The Gabelli Dividend Growth Fund - Class AAA
S&P 500 Index
MSCI USA High Dividend Yield Index
Lipper Large Cap Value Fund Index
6/15
10,000
10,000
10,000
10,000
6/16
9,318
10,399
11,465
10,034
6/17
10,892
12,260
12,965
11,838
6/18
11,436
14,022
14,220
12,933
6/19
12,145
15,483
15,804
13,885
6/20
11,339
16,646
15,244
13,071
6/21
16,059
23,436
19,610
18,848
6/22
14,098
20,947
19,445
17,421
6/23
15,468
25,051
20,680
19,849
6/24
16,803
31,203
23,307
23,605
6/25
18,945
35,934
25,689
26,942
Average Annual Return [Table Text Block]
6 months
1 Year
5 Year
10 Year
The Gabelli Dividend Growth Fund - Class AAA
7.33%
12.74%
10.81%
6.60%
S&P 500 Index
6.20%
15.16%
16.64%
13.65%
MSCI USA High Dividend Yield Index
4.89%
10.22%
11.00%
9.89%
Lipper Large Cap Value Fund Index
8.07%
14.14%
15.57%
10.42%
No Deduction of Taxes [Text Block] The table and graph presented above do not reflect the deduction of taxes a shareholder would pay on fund distributions or the redemption of fund shares.
AssetsNet $ 19,259,521
Holdings Count | Holding 54
Advisory Fees Paid, Amount $ 28,259
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Fund Statistics

  • Total Net Assets$19,259,521
  • Number of Portfolio Holdings54
  • Portfolio Turnover Rate16%
  • Management Fees$28,259
Holdings [Text Block]

Portfolio Weighting (% of net assets)

Common Stocks
97.0%
U.S. Government Obligations
3.2%
Other Assets and Liabilities (Net)
(0.2)%

Industry Allocation (% of net assets)

Bar Graph showing Allocation by Industry
Industry Weighting
.
Financial Services
20.2%
Health Care
13.0%
Diversified Industrial
11.5%
Retail
8.3%
Food and Beverage
6.6%
Energy
6.0%
Computer Software and Services
4.2%
Business Services
4.1%
Other Industry sectors
26.3%
Other Assets and Liabilities (Net)
(0.2)%
Largest Holdings [Text Block]

Top 10 Holdings (% of net assets)

Citigroup Inc.
4.0%
Merck & Co. Inc.
3.5%
JPMorgan Chase & Co.
3.5%
Amazon.com Inc.
3.4%
The Kroger Co.
3.2%
Mondelez International Inc.
3.2%
Newmont Corp.
2.9%
GXO Logistics Inc.
2.8%
The PNC Financial Services Group Inc.
2.7%
Wells Fargo & Co.
2.5%
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-GABELLI (800-422-3554)
Updated Prospectus Email Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@gabelli.com</span>
Updated Prospectus Web Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
C000002891  
Shareholder Report [Line Items]  
Fund Name The Gabelli Dividend Growth Fund
Class Name Class C
Trading Symbol GBCCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Gabelli Dividend Growth Fund (the Fund) for the period of January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You may find additional information about the Fund at www.gabelli.com/funds/open_ends. You may also request  information by contacting us at 800-GABELLI (800-422-3554).
Additional Information Phone Number 800-GABELLI (800-422-3554)
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
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 $10k Investment
Costs Paid as a % of a $10k Investment
The Gabelli Dividend Growth Fund - Class C
$142
2.76%
Expenses Paid, Amount $ 142
Expense Ratio, Percent 2.76%
Factors Affecting Performance [Text Block]

How did the Fund perform?

For the six months ended June 30, 2025, the Gabelli Dividend Growth Fund outperformed its broad-based benchmark, S&P 500 Index, and a comparative, MSCI USA High Dividend Yield Index, while slightly underperforming another comparative, the Lipper Large Cap Value Fund Index. The Fund benefited from being overweight industrials and from specific financial stocks, as well as positions in building products distributors, including two being acquired. Healthcare holdings detracted from performance. The Fund focuses on owning a diversified set of well-managed businesses trading at compelling valuations, usually with a catalyst or an improving competitive position.
Performance Past Does Not Indicate Future [Text] Past performance does not guarantee future results.
Line Graph [Table Text Block]
Growth of 10K Chart
The Gabelli Dividend Growth Fund - Class C
The Gabelli Dividend Growth Fund - Class C (includes sales charge)
S&P 500 Index
MSCI USA High Dividend Yield Index
Lipper Large Cap Value Fund Index
6/15
10,000
10,000
10,000
10,000
10,000
6/16
9,243
9,151
10,399
11,465
10,034
6/17
10,728
10,530
12,260
12,965
11,838
6/18
11,183
10,871
14,022
14,220
12,933
6/19
11,783
11,346
15,483
15,804
13,885
6/20
10,920
10,410
16,646
15,244
13,071
6/21
15,347
14,525
23,436
19,610
18,848
6/22
13,373
12,531
20,947
19,445
17,421
6/23
14,567
13,524
25,051
20,680
19,849
6/24
15,708
14,448
31,203
23,307
23,605
6/25
17,581
16,027
35,934
25,689
26,942
Average Annual Return [Table Text Block]
6 months
1 Year
5 Year
10 Year
The Gabelli Dividend Growth Fund - Class C
7.00%
11.93%
9.99%
5.81%
The Gabelli Dividend Growth Fund - Class C (includes sales charge)
6.00%
10.93%
9.99%
5.81%
S&P 500 Index
6.20%
15.16%
16.64%
13.65%
MSCI USA High Dividend Yield Index
4.89%
10.22%
11.00%
9.89%
Lipper Large Cap Value Fund Index
8.07%
14.14%
15.57%
10.42%
No Deduction of Taxes [Text Block] The table and graph presented above do not reflect the deduction of taxes a shareholder would pay on fund distributions or the redemption of fund shares.
AssetsNet $ 19,259,521
Holdings Count | Holding 54
Advisory Fees Paid, Amount $ 28,259
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Fund Statistics

  • Total Net Assets$19,259,521
  • Number of Portfolio Holdings54
  • Portfolio Turnover Rate16%
  • Management Fees$28,259
Holdings [Text Block]

Portfolio Weighting (% of net assets)

Common Stocks
97.0%
U.S. Government Obligations
3.2%
Other Assets and Liabilities (Net)
(0.2)%

Industry Allocation (% of net assets)

Bar Graph showing Allocation by Industry
Industry Weighting
.
Financial Services
20.2%
Health Care
13.0%
Diversified Industrial
11.5%
Retail
8.3%
Food and Beverage
6.6%
Energy
6.0%
Computer Software and Services
4.2%
Business Services
4.1%
Other Industry sectors
26.3%
Other Assets and Liabilities (Net)
(0.2)%
Largest Holdings [Text Block]

Top 10 Holdings (% of net assets)

Citigroup Inc.
4.0%
Merck & Co. Inc.
3.5%
JPMorgan Chase & Co.
3.5%
Amazon.com Inc.
3.4%
The Kroger Co.
3.2%
Mondelez International Inc.
3.2%
Newmont Corp.
2.9%
GXO Logistics Inc.
2.8%
The PNC Financial Services Group Inc.
2.7%
Wells Fargo & Co.
2.5%
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-GABELLI (800-422-3554)
Updated Prospectus Email Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@gabelli.com</span>
Updated Prospectus Web Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
C000002887  
Shareholder Report [Line Items]  
Fund Name The Gabelli Dividend Growth Fund
Class Name Class I
Trading Symbol GBCIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Gabelli Dividend Growth Fund (the Fund) for the period of January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You may find additional information about the Fund at www.gabelli.com/funds/open_ends. You may also request  information by contacting us at 800-GABELLI (800-422-3554).
Additional Information Phone Number 800-GABELLI (800-422-3554)
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
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 $10k Investment
Costs Paid as a % of a $10k Investment
The Gabelli Dividend Growth Fund - Class I
$52
1.01%
Expenses Paid, Amount $ 52
Expense Ratio, Percent 1.01%
Factors Affecting Performance [Text Block]

How did the Fund perform?

For the six months ended June 30, 2025, the Gabelli Dividend Growth Fund outperformed its broad-based benchmark, S&P 500 Index, and a comparative, MSCI USA High Dividend Yield Index, while slightly underperforming another comparative, the Lipper Large Cap Value Fund Index. The Fund benefited from being overweight industrials and from specific financial stocks, as well as positions in building products distributors, including two being acquired. Healthcare holdings detracted from performance. The Fund focuses on owning a diversified set of well-managed businesses trading at compelling valuations, usually with a catalyst or an improving competitive position.
Performance Past Does Not Indicate Future [Text] Past performance does not guarantee future results.
Line Graph [Table Text Block]
Growth of 10K Chart
The Gabelli Dividend Growth Fund - Class I
S&P 500 Index
MSCI USA High Dividend Yield Index
Lipper Large Cap Value Fund Index
6/15
10,000
10,000
10,000
10,000
6/16
9,341
10,399
11,465
10,034
6/17
11,004
12,260
12,965
11,838
6/18
11,675
14,022
14,220
12,933
6/19
12,526
15,483
15,804
13,885
6/20
11,805
16,646
15,244
13,071
6/21
16,893
23,436
19,610
18,848
6/22
14,979
20,947
19,445
17,421
6/23
16,605
25,051
20,680
19,849
6/24
18,228
31,203
23,307
23,605
6/25
20,755
35,934
25,689
26,942
Average Annual Return [Table Text Block]
6 months
1 Year
5 Year
10 Year
The Gabelli Dividend Growth Fund - Class I
7.91%
13.86%
11.95%
7.58%
S&P 500 Index
6.20%
15.16%
16.64%
13.65%
MSCI USA High Dividend Yield Index
4.89%
10.22%
11.00%
9.89%
Lipper Large Cap Value Fund Index
8.07%
14.14%
15.57%
10.42%
No Deduction of Taxes [Text Block] The table and graph presented above do not reflect the deduction of taxes a shareholder would pay on fund distributions or the redemption of fund shares.
AssetsNet $ 19,259,521
Holdings Count | Holding 54
Advisory Fees Paid, Amount $ 28,259
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Fund Statistics

  • Total Net Assets$19,259,521
  • Number of Portfolio Holdings54
  • Portfolio Turnover Rate16%
  • Management Fees$28,259
Holdings [Text Block]

Portfolio Weighting (% of net assets)

Common Stocks
97.0%
U.S. Government Obligations
3.2%
Other Assets and Liabilities (Net)
(0.2)%

Industry Allocation (% of net assets)

Bar Graph showing Allocation by Industry
Industry Weighting
.
Financial Services
20.2%
Health Care
13.0%
Diversified Industrial
11.5%
Retail
8.3%
Food and Beverage
6.6%
Energy
6.0%
Computer Software and Services
4.2%
Business Services
4.1%
Other Industry sectors
26.3%
Other Assets and Liabilities (Net)
(0.2)%
Largest Holdings [Text Block]

Top 10 Holdings (% of net assets)

Citigroup Inc.
4.0%
Merck & Co. Inc.
3.5%
JPMorgan Chase & Co.
3.5%
Amazon.com Inc.
3.4%
The Kroger Co.
3.2%
Mondelez International Inc.
3.2%
Newmont Corp.
2.9%
GXO Logistics Inc.
2.8%
The PNC Financial Services Group Inc.
2.7%
Wells Fargo & Co.
2.5%
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-GABELLI (800-422-3554)
Updated Prospectus Email Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@gabelli.com</span>
Updated Prospectus Web Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
C000002888  
Shareholder Report [Line Items]  
Fund Name The Gabelli Dividend Growth Fund
Class Name Class A
Trading Symbol GBCAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about The Gabelli Dividend Growth Fund (the Fund) for the period of January 1, 2025 to June 30, 2025.
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] You may find additional information about the Fund at www.gabelli.com/funds/open_ends. You may also request  information by contacting us at 800-GABELLI (800-422-3554).
Additional Information Phone Number 800-GABELLI (800-422-3554)
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>
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 $10k Investment
Costs Paid as a % of a $10k Investment
The Gabelli Dividend Growth Fund - Class A
$103
2.01%
Expenses Paid, Amount $ 103
Expense Ratio, Percent 2.01%
Factors Affecting Performance [Text Block]

How did the Fund perform?

For the six months ended June 30, 2025, the Gabelli Dividend Growth Fund outperformed its broad-based benchmark, S&P 500 Index, and a comparative, MSCI USA High Dividend Yield Index, while slightly underperforming another comparative, the Lipper Large Cap Value Fund Index. The Fund benefited from being overweight industrials and from specific financial stocks, as well as positions in building products distributors, including two being acquired. Healthcare holdings detracted from performance. The Fund focuses on owning a diversified set of well-managed businesses trading at compelling valuations, usually with a catalyst or an improving competitive position.
Performance Past Does Not Indicate Future [Text] Past performance does not guarantee future results.
Line Graph [Table Text Block]
Growth of 10K Chart
The Gabelli Dividend Growth Fund - Class A
The Gabelli Dividend Growth Fund - Class A (includes sales charge)
S&P 500 Index
MSCI USA High Dividend Yield Index
Lipper Large Cap Value Fund Index
6/15
10,000
10,000
10,000
10,000
10,000
6/16
9,321
8,785
10,399
11,465
10,034
6/17
10,893
9,677
12,260
12,965
11,838
6/18
11,440
9,578
14,022
14,220
12,933
6/19
12,151
9,588
15,483
15,804
13,885
6/20
11,337
8,431
16,646
15,244
13,071
6/21
16,056
11,254
23,436
19,610
18,848
6/22
14,097
9,313
20,947
19,445
17,421
6/23
15,471
9,633
25,051
20,680
19,849
6/24
16,808
9,864
31,203
23,307
23,605
6/25
18,953
10,483
35,934
25,689
26,942
Average Annual Return [Table Text Block]
6 months
1 Year
5 Year
10 Year
The Gabelli Dividend Growth Fund - Class A
7.35%
12.76%
10.83%
6.60%
The Gabelli Dividend Growth Fund - Class A (includes sales charge)
1.18%
6.28%
9.52%
5.97%
S&P 500 Index
6.20%
15.16%
16.64%
13.65%
MSCI USA High Dividend Yield Index
4.89%
10.22%
11.00%
9.89%
Lipper Large Cap Value Fund Index
8.07%
14.14%
15.57%
10.42%
No Deduction of Taxes [Text Block] The table and graph presented above do not reflect the deduction of taxes a shareholder would pay on fund distributions or the redemption of fund shares.
AssetsNet $ 19,259,521
Holdings Count | Holding 54
Advisory Fees Paid, Amount $ 28,259
InvestmentCompanyPortfolioTurnover 16.00%
Additional Fund Statistics [Text Block]

Fund Statistics

  • Total Net Assets$19,259,521
  • Number of Portfolio Holdings54
  • Portfolio Turnover Rate16%
  • Management Fees$28,259
Holdings [Text Block]

Portfolio Weighting (% of net assets)

Common Stocks
97.0%
U.S. Government Obligations
3.2%
Other Assets and Liabilities (Net)
(0.2)%

Industry Allocation (% of net assets)

Bar Graph showing Allocation by Industry
Industry Weighting
.
Financial Services
20.2%
Health Care
13.0%
Diversified Industrial
11.5%
Retail
8.3%
Food and Beverage
6.6%
Energy
6.0%
Computer Software and Services
4.2%
Business Services
4.1%
Other Industry sectors
26.3%
Other Assets and Liabilities (Net)
(0.2)%
Largest Holdings [Text Block]

Top 10 Holdings (% of net assets)

Citigroup Inc.
4.0%
Merck & Co. Inc.
3.5%
JPMorgan Chase & Co.
3.5%
Amazon.com Inc.
3.4%
The Kroger Co.
3.2%
Mondelez International Inc.
3.2%
Newmont Corp.
2.9%
GXO Logistics Inc.
2.8%
The PNC Financial Services Group Inc.
2.7%
Wells Fargo & Co.
2.5%
Material Fund Change [Text Block]
Updated Prospectus Phone Number 800-GABELLI (800-422-3554)
Updated Prospectus Email Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">info@gabelli.com</span>
Updated Prospectus Web Address <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 18px; margin: 0px; overflow: visible; text-align: justify; text-align-last: left; white-space-collapse: preserve-breaks;">www.gabelli.com/funds/open_ends</span>