This annual shareholder report contains important information about the Class A Shares of the Nuveen Real Estate Securities Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class A Shares	$122	1.19%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 122

Expense Ratio, Percent

1.19%

^[1]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Real Estate Securities Fund returned 5.78% for Class A Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the Real Estate Securities Blended Benchmark, which returned 6.89%.

• Top contributors to relative performance

» Security selection and an overweight to the health care real estate investment trust (REIT) sector, led by an overweight to American Healthcare REIT, Inc.

» Security selection in the net lease sector, led by an underweight to Realty Income Corporation.

• Top detractors from relative performance

» An overweight to the industrial sector, including out‑of‑index exposure to Lineage, Inc.

» An underweight to the real estate services sector, particularly an underweight to large benchmark constituent Iron Mountain, Inc.

» An underweight to the mall sector, particularly an underweight to large benchmark constituent Simon Property Group, Inc.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			10‑Year

Class A Shares at NAV (excluding maximum sales charge)		5.78	%		3.13	%		4.78	%

Class A Shares at maximum sales charge (Offering Price)		(0.32	)%		1.92	%		4.17	%

S&P 500^® Index		25.02	%		14.53	%		13.10	%

MSCI US REIT Index		8.75	%		4.31	%		5.66	%

Real Estate Securities Blended Benchmark		6.89	%		3.64	%		5.32	%

Lipper Real Estate Funds Classification Average		6.41	%		3.42	%		5.02	%

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 1,033,444,965

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 8,172,947

Investment Company Portfolio Turnover

62.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	1,033,444,965

Total number of portfolio holdings		62

Portfolio turnover (%)		62%

Total management fees paid for the year	$	8,172,947

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Portfolio manager updates: Effective March 31, 2024, Jay Rosenberg is no longer a portfolio manager of the Fund.

•

Management fees: As of May 1, 2024, the Fund’s overall complex-level fee begins at a maximum rate of 0.1600% of the Fund’s average daily net assets, with breakpoints for eligible complex-level assets above $124.3 billion.

For more complete information, you may review the Fund’s next prospectus, which is expected to be available by April 30, 2025 at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or upon request at (800) 257‑8787.

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

C000015149 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Real Estate Securities Fund

Class Name

Class C Shares

Trading Symbol

FRLCX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class C Shares of the Nuveen Real Estate Securities Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class C Shares	$199	1.94%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 199

Expense Ratio, Percent

1.94%

^[2]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Real Estate Securities Fund returned 4.97% for Class C Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the Real Estate Securities Blended Benchmark, which returned 6.89%.

• Top contributors to relative performance

» Security selection and an overweight to the health care real estate investment trust (REIT) sector, led by an overweight to American Healthcare REIT, Inc.

» Security selection in the net lease sector, led by an underweight to Realty Income Corporation.

• Top detractors from relative performance

» An overweight to the industrial sector, including out‑of‑index exposure to Lineage, Inc.

» An underweight to the real estate services sector, particularly an underweight to large benchmark constituent Iron Mountain, Inc.

» An underweight to the mall sector, particularly an underweight to large benchmark constituent Simon Property Group, Inc.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			10‑Year

Class C Shares at NAV (excluding maximum sales charge)		4.97	%		2.36	%		4.15	%

S&P 500^® Index		25.02	%		14.53	%		13.10	%

MSCI US REIT Index		8.75	%		4.31	%		5.66	%

Real Estate Securities Blended Benchmark		6.89	%		3.64	%		5.32	%

Lipper Real Estate Funds Classification Average		6.41	%		3.42	%		5.02	%

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 1,033,444,965

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 8,172,947

Investment Company Portfolio Turnover

62.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	1,033,444,965

Total number of portfolio holdings		62

Portfolio turnover (%)		62%

Total management fees paid for the year	$	8,172,947

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Portfolio manager updates: Effective March 31, 2024, Jay Rosenberg is no longer a portfolio manager of the Fund.

•

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

C000126484 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Real Estate Securities Fund

Class Name

Class R6 Shares

Trading Symbol

FREGX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Real Estate Securities Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class R6 Shares	$81	0.79%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 81

Expense Ratio, Percent

0.79%

^[3]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Real Estate Securities Fund returned 6.20% for Class R6 Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the Real Estate Securities Blended Benchmark, which returned 6.89%.

• Top contributors to relative performance

» Security selection and an overweight to the health care real estate investment trust (REIT) sector, led by an overweight to American Healthcare REIT, Inc.

» Security selection in the net lease sector, led by an underweight to Realty Income Corporation.

• Top detractors from relative performance

» An overweight to the industrial sector, including out‑of‑index exposure to Lineage, Inc.

» An underweight to the real estate services sector, particularly an underweight to large benchmark constituent Iron Mountain, Inc.

» An underweight to the mall sector, particularly an underweight to large benchmark constituent Simon Property Group, Inc.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			10‑Year

Class R6 Shares at NAV		6.20	%		3.54	%		5.20	%

S&P 500^® Index		25.02	%		14.53	%		13.10	%

MSCI US REIT Index		8.75	%		4.31	%		5.66	%

Real Estate Securities Blended Benchmark		6.89	%		3.64	%		5.32	%

Lipper Real Estate Funds Classification Average		6.41	%		3.42	%		5.02	%

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 1,033,444,965

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 8,172,947

Investment Company Portfolio Turnover

62.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	1,033,444,965

Total number of portfolio holdings		62

Portfolio turnover (%)		62%

Total management fees paid for the year	$	8,172,947

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Portfolio manager updates: Effective March 31, 2024, Jay Rosenberg is no longer a portfolio manager of the Fund.

•

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

C000015151 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Real Estate Securities Fund

Class Name

Class I Shares

Trading Symbol

FARCX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class I Shares of the Nuveen Real Estate Securities Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en-us/mutual-funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en-us/mutual-funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class I Shares	$97	0.94%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 97

Expense Ratio, Percent

0.94%

^[4]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Real Estate Securities Fund returned 6.05% for Class I Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the Real Estate Securities Blended Benchmark, which returned 6.89%.

• Top contributors to relative performance

» Security selection and an overweight to the health care real estate investment trust (REIT) sector, led by an overweight to American Healthcare REIT, Inc.

» Security selection in the net lease sector, led by an underweight to Realty Income Corporation.

• Top detractors from relative performance

» An overweight to the industrial sector, including out‑of‑index exposure to Lineage, Inc.

» An underweight to the real estate services sector, particularly an underweight to large benchmark constituent Iron Mountain, Inc.

» An underweight to the mall sector, particularly an underweight to large benchmark constituent Simon Property Group, Inc.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			10‑Year

Class I Shares at NAV		6.05	%		3.39	%		5.04	%

S&P 500^® Index		25.02	%		14.53	%		13.10	%

MSCI US REIT Index		8.75	%		4.31	%		5.66	%

Real Estate Securities Blended Benchmark		6.89	%		3.64	%		5.32	%

Lipper Real Estate Funds Classification Average		6.41	%		3.42	%		5.02	%

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en-us/mutual-funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 1,033,444,965

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 8,172,947

Investment Company Portfolio Turnover

62.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	1,033,444,965

Total number of portfolio holdings		62

Portfolio turnover (%)		62%

Total management fees paid for the year	$	8,172,947

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Portfolio manager updates: Effective March 31, 2024, Jay Rosenberg is no longer a portfolio manager of the Fund.

•

For more complete information, you may review the Fund’s next prospectus, which is expected to be available by April 30, 2025 at https://www.nuveen.com/en-us/mutual-funds/prospectuses or upon request at (800) 257‑8787.

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en-us/mutual-funds/prospectuses

C000056118 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Global Infrastructure Fund

Class Name

Class A Shares

Trading Symbol

FGIAX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class A Shares of the Nuveen Global Infrastructure Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en-us/mutual-funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en-us/mutual-funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class A Shares	$127	1.21%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 127

Expense Ratio, Percent

1.21%

^[5]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Global Infrastructure Fund returned 10.74% for Class A Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the S&P Global Infrastructure Index (Net), which returned 14.05%.

• Top contributors to relative performance

» An underweight to the airport sector, led by underweights to Aeroports de Paris ADP and Auckland International Airport Limited.

» Security selection in the toll roads sector, led by underweights to Atlas Arteria and Transurban Group Ltd.

• Top detractors from relative performance

» Security selection and an underweight to the electric utilities sector, including an underweight to Constellation Energy Corporation.

» Out‑of‑benchmark allocation to the technology infrastructure sector, including American Tower Corporation and Cellnex Telecom S.A.

» An overweight to the rail sector, including an out‑of‑benchmark position in Canadian National Railway Company.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			10‑Year

Class A Shares at NAV (excluding maximum sales charge)		10.74	%		4.62	%		5.97	%

Class A Shares at maximum sales charge (Offering Price)		4.34	%		3.38	%		5.34	%

MSCI ACWI Index (Net)		17.49	%		10.06	%		9.23	%

S&P Global Infrastructure Index (Net)		14.05	%		4.40	%		5.00	%

Lipper Global Infrastructure Funds Classification Average		7.86	%		3.96	%		5.12	%

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en-us/mutual-funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 463,261,696

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 4,261,353

Investment Company Portfolio Turnover

83.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	463,261,696

Total number of portfolio holdings		88

Portfolio turnover (%)		83%

Total management fees paid for the year	$	4,261,353

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Portfolio manager updates: Effective February 8, 2024, Benjamin Kerl was added as a portfolio manager of the Fund. Effective March 31, 2024, Jay Rosenberg is no longer a portfolio manager of the Fund.

•

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en-us/mutual-funds/prospectuses

C000070757 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Global Infrastructure Fund

Class Name

Class C Shares

Trading Symbol

FGNCX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class C Shares of the Nuveen Global Infrastructure Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class C Shares	$206	1.96%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 206

Expense Ratio, Percent

1.96%

^[6]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Global Infrastructure Fund returned 9.9% for Class C Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund significantly underperformed the S&P Global Infrastructure Index (Net), which returned 14.05%.

• Top contributors to relative performance

» An underweight to the airport sector, led by underweights to Aeroports de Paris ADP and Auckland International Airport Limited.

» Security selection in the toll roads sector, led by underweights to Atlas Arteria and Transurban Group Ltd.

• Top detractors from relative performance

» Security selection and an underweight to the electric utilities sector, including an underweight to Constellation Energy Corporation.

» Out‑of‑benchmark allocation to the technology infrastructure sector, including American Tower Corporation and Cellnex Telecom S.A.

» An overweight to the rail sector, including an out‑of‑benchmark position in Canadian National Railway Company.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			10‑Year

Class C Shares at NAV (excluding maximum sales charge)		9.90	%		3.81	%		5.32	%

MSCI ACWI Index (Net)		17.49	%		10.06	%		9.23	%

S&P Global Infrastructure Index (Net)		14.05	%		4.40	%		5.00	%

Lipper Global Infrastructure Funds Classification Average		7.86	%		3.96	%		5.12	%

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 463,261,696

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 4,261,353

Investment Company Portfolio Turnover

83.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	463,261,696

Total number of portfolio holdings		88

Portfolio turnover (%)		83%

Total management fees paid for the year	$	4,261,353

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

C000171406 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Global Infrastructure Fund

Class Name

Class R6 Shares

Trading Symbol

FGIWX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Global Infrastructure Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en-us/mutual-funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en-us/mutual-funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class R6 Shares	$94	0.89%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 94

Expense Ratio, Percent

0.89%

^[7]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Global Infrastructure Fund returned 11.09% for Class R6 Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the S&P Global Infrastructure Index (Net), which returned 14.05%.

• Top contributors to relative performance

» An underweight to the airport sector, led by underweights to Aeroports de Paris ADP and Auckland International Airport Limited.

» Security selection in the toll roads sector, led by underweights to Atlas Arteria and Transurban Group Ltd.

• Top detractors from relative performance

» Security selection and an underweight to the electric utilities sector, including an underweight to Constellation Energy Corporation.

» Out‑of‑benchmark allocation to the technology infrastructure sector, including American Tower Corporation and Cellnex Telecom S.A.

» An overweight to the rail sector, including an out‑of‑benchmark position in Canadian National Railway Company.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			Since Inception (6/30/16)

Class R6 Shares at NAV		11.09	%		4.96	%		6.72	%

MSCI ACWI Index (Net)		17.49	%		10.06	%		11.10	%

S&P Global Infrastructure Index (Net)		14.05	%		4.40	%		5.94	%

Lipper Global Infrastructure Funds Classification Average		7.86	%		3.96	%		5.78	%

Performance Inception Date

Jun. 30, 2016

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en-us/mutual-funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 463,261,696

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 4,261,353

Investment Company Portfolio Turnover

83.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	463,261,696

Total number of portfolio holdings		88

Portfolio turnover (%)		83%

Total management fees paid for the year	$	4,261,353

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en-us/mutual-funds/prospectuses

C000056119 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Global Infrastructure Fund

Class Name

Class I Shares

Trading Symbol

FGIYX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class I Shares of the Nuveen Global Infrastructure Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class I Shares	$101	0.96%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 101

Expense Ratio, Percent

0.96%

^[8]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Global Infrastructure Fund returned 10.94% for Class I Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the S&P Global Infrastructure Index (Net), which returned 14.05%.

• Top contributors to relative performance

» An underweight to the airport sector, led by underweights to Aeroports de Paris ADP and Auckland International Airport Limited.

» Security selection in the toll roads sector, led by underweights to Atlas Arteria and Transurban Group Ltd.

• Top detractors from relative performance

» Security selection and an underweight to the electric utilities sector, including an underweight to Constellation Energy Corporation.

» Out‑of‑benchmark allocation to the technology infrastructure sector, including American Tower Corporation and Cellnex Telecom S.A.

» An overweight to the rail sector, including an out‑of‑benchmark position in Canadian National Railway Company.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			10‑Year

Class I Shares at NAV		10.94	%		4.87	%		6.23	%

MSCI ACWI Index (Net)		17.49	%		10.06	%		9.23	%

S&P Global Infrastructure Index (Net)		14.05	%		4.40	%		5.00	%

Lipper Global Infrastructure Funds Classification Average		7.86	%		3.96	%		5.12	%

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 463,261,696

Holdings Count | Holding

Advisory Fees Paid, Amount

$ 4,261,353

Investment Company Portfolio Turnover

83.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	463,261,696

Total number of portfolio holdings		88

Portfolio turnover (%)		83%

Total management fees paid for the year	$	4,261,353

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Portfolio manager updates: Effective February 8, 2024, Benjamin T. Kerl was added as a portfolio manager of the Fund. Effective March 31, 2024, Jay Rosenberg is no longer a portfolio manager of the Fund.

•

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

C000104365 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Real Asset Income Fund

Class Name

Class A Shares

Trading Symbol

NRIAX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class A Shares of the Nuveen Real Asset Income Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class A Shares	$120	1.16%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 120

Expense Ratio, Percent

1.16%

^[9]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Real Asset Income Fund returned 6.83% for Class A Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the Real Asset Income Blended Benchmark, which returned 7.88%.

• Top contributors to relative performance

» Security selection among infrastructure common shares, led by pipeline companies, including an out‑of‑benchmark position in Energy Transfer LP.

» Security selection among real estate common shares, led by health care real estate investment trusts (REITs), including an overweight to American Healthcare REIT, Inc.

• Top detractors from relative performance

» Security selection among real estate preferred securities, including underweights to office REIT preferreds.

» Security selection among infrastructure preferred securities, most notably electric utilities preferreds.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			10‑Year

Class A Shares at NAV (excluding maximum sales charge)		6.83	%		1.78	%		4.06	%

Class A Shares at maximum sales charge (Offering Price)		0.68	%		0.58	%		3.44	%

MSCI ACWI Index (Net)		17.49	%		10.06	%		9.23	%

Bloomberg U.S. Corporate High Yield Bond Index		8.19	%		4.21	%		5.17	%

Real Asset Income Blended Benchmark		7.88	%		2.78	%		4.25	%

Lipper Real Return Funds Classification Average		3.84	%		4.54	%		3.45	%

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 1,093,075,788

Holdings Count | Holding

431

Advisory Fees Paid, Amount

$ 7,824,025

Investment Company Portfolio Turnover

82.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	1,093,075,788

Total number of portfolio holdings		431

Portfolio turnover (%)		82%

Total management fees paid for the year	$	7,824,025

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Portfolio manager updates: Effective March 31, 2024, Jay Rosenberg is no longer a portfolio manager of the Fund. Effective May 1, 2024, Noah Hauser, CFA was added as a portfolio manager of the Fund.

•

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

C000104366 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Real Asset Income Fund

Class Name

Class C Shares

Trading Symbol

NRICX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class C Shares of the Nuveen Real Asset Income Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en‑us/mutual‑funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class C Shares	$197	1.91%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 197

Expense Ratio, Percent

1.91%

^[10]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Real Asset Income Fund returned 5.98% for Class C Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the Real Asset Income Blended Benchmark, which returned 7.88%.

• Top contributors to relative performance

» Security selection among infrastructure common shares, led by pipeline companies, including an out‑of‑benchmark position in Energy Transfer LP.

» Security selection among real estate common shares, led by health care real estate investment trusts (REITs), including an overweight to American Healthcare REIT, Inc.

• Top detractors from relative performance

» Security selection among real estate preferred securities, including underweights to office REIT preferreds.

» Security selection among infrastructure preferred securities, most notably electric utilities preferreds.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			10‑Year

Class C Shares at NAV (excluding maximum sales charge)		5.98	%		1.02	%		3.44	%

MSCI ACWI Index (Net)		17.49	%		10.06	%		9.23	%

Bloomberg U.S. Corporate High Yield Bond Index		8.19	%		4.21	%		5.17	%

Real Asset Income Blended Benchmark		7.88	%		2.78	%		4.25	%

Lipper Real Return Funds Classification Average		3.84	%		4.54	%		3.45	%

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 1,093,075,788

Holdings Count | Holding

431

Advisory Fees Paid, Amount

$ 7,824,025

Investment Company Portfolio Turnover

82.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	1,093,075,788

Total number of portfolio holdings		431

Portfolio turnover (%)		82%

Total management fees paid for the year	$	7,824,025

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Portfolio manager updates: Effective March 31, 2024, Jay Rosenberg is no longer a portfolio manager of the Fund. Effective May 1, 2024, Noah Hauser, CFA was added as a portfolio manager of the Fund.

•

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

C000171407 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Real Asset Income Fund

Class Name

Class R6 Shares

Trading Symbol

NRIFX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class R6 Shares of the Nuveen Real Asset Income Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en-us/mutual-funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en-us/mutual-funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class R6 Shares	$84	0.81%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 84

Expense Ratio, Percent

0.81%

^[11]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Real Asset Income Fund returned 7.13% for Class R6 Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the Real Asset Income Blended Benchmark, which returned 7.88%.

• Top contributors to relative performance

» Security selection among infrastructure common shares, led by pipeline companies, including an out‑of‑benchmark position in Energy Transfer LP.

» Security selection among real estate common shares, led by health care real estate investment trusts (REITs), including an overweight to American Healthcare REIT, Inc.

• Top detractors from relative performance

» Security selection among real estate preferred securities, including underweights to office REIT preferreds.

» Security selection among infrastructure preferred securities, most notably electric utilities preferreds.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			Since Inception (6/30/16)

Class R6 Shares at NAV		7.13	%		2.12	%		4.34	%

MSCI ACWI Index (Net)		17.49	%		10.06	%		11.10	%

Bloomberg U.S. Corporate High Yield Bond Index		8.19	%		4.21	%		5.59	%

Real Asset Income Blended Benchmark		7.88	%		2.78	%		4.43	%

Lipper Real Return Funds Classification Average		3.84	%		4.54	%		4.26	%

Performance Inception Date

Jun. 30, 2016

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en-us/mutual-funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 1,093,075,788

Holdings Count | Holding

431

Advisory Fees Paid, Amount

$ 7,824,025

Investment Company Portfolio Turnover

82.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	1,093,075,788

Total number of portfolio holdings		431

Portfolio turnover (%)		82%

Total management fees paid for the year	$	7,824,025

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Portfolio manager updates: Effective March 31, 2024, Jay Rosenberg is no longer a portfolio manager of the Fund. Effective May 1, 2024, Noah Hauser, CFA was added as a portfolio manager of the Fund.

•

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en-us/mutual-funds/prospectuses

C000104368 [Member]

Shareholder Report [Line Items]

Fund Name

Nuveen Real Asset Income Fund

Class Name

Class I Shares

Trading Symbol

NRIIX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about the Class I Shares of the Nuveen Real Asset Income Fund for the period of January 1, 2024 to December 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information at https://www.nuveen.com/en-us/mutual-funds/prospectuses. You can also request this information by contacting us at (800) 257‑8787.

Material Fund Change Notice [Text Block]

This report describes changes to the Fund that occurred during the reporting period.

Additional Information Phone Number

(800) 257‑8787

Additional Information Website

https://www.nuveen.com/en-us/mutual-funds/prospectuses

Expenses [Text Block]

What were the Fund costs for the last year? (based on a hypothetical $10,000 investment)



	Cost of a $10,000 investment	Costs paid as a percentage of $10,000 investment*

Class I Shares	$94	0.91%

* Annualized for period less than one year.

Expenses Paid, Amount

$ 94

Expense Ratio, Percent

0.91%

^[12]

Factors Affecting Performance [Text Block]

How did the Fund perform last year? What affected the Fund’s performance?

Performance Highlights

• The Nuveen Real Asset Income Fund returned 7.07% for Class I Shares at net asset value (NAV) for the 12 months ended December 31, 2024. The Fund underperformed the Real Asset Income Blended Benchmark, which returned 7.88%.

• Top contributors to relative performance

» Security selection among infrastructure common shares, led by pipeline companies, including an out‑of‑benchmark position in Energy Transfer LP.

» Security selection among real estate common shares, led by health care real estate investment trusts (REITs), including an overweight to American Healthcare REIT, Inc.

• Top detractors from relative performance

» Security selection among real estate preferred securities, including underweights to office REIT preferreds.

» Security selection among infrastructure preferred securities, most notably electric utilities preferreds.

Performance Past Does Not Indicate Future [Text]

Performance data shown represents past performance and does not predict or guarantee future results.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns



	1‑Year			5‑Year			10‑Year

Class I Shares at NAV		7.07	%		2.03	%		4.31	%

MSCI ACWI Index (Net)		17.49	%		10.06	%		9.23	%

Bloomberg U.S. Corporate High Yield Bond Index		8.19	%		4.21	%		5.17	%

Real Asset Income Blended Benchmark		7.88	%		2.78	%		4.25	%

Lipper Real Return Funds Classification Average		3.84	%		4.54	%		3.45	%

No Deduction of Taxes [Text Block]

The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund Shares.

Updated Performance Information Location [Text Block]

For most recent month‑end performance, go to https://www.nuveen.com/en‑us/mutual‑funds/prospectuses or call (800) 257‑8787.

Net Assets

$ 1,093,075,788

Holdings Count | Holding

431

Advisory Fees Paid, Amount

$ 7,824,025

Investment Company Portfolio Turnover

82.00%

Additional Fund Statistics [Text Block]

Fund Statistics (as of December 31, 2024)



Fund net assets	$	1,093,075,788

Total number of portfolio holdings		431

Portfolio turnover (%)		82%

Total management fees paid for the year	$	7,824,025

Holdings [Text Block]

Material Fund Change [Text Block]

How has the Fund changed?

•

Portfolio manager updates: Effective March 31, 2024, Jay Rosenberg is no longer a portfolio manager of the Fund. Effective May 1, 2024, Noah Hauser, CFA was added as a portfolio manager of the Fund.

•

Material Fund Change Expenses [Text Block]

•

Summary of Change Legend [Text Block]

Updated Prospectus Phone Number

(800) 257‑8787

Updated Prospectus Web Address

https://www.nuveen.com/en‑us/mutual‑funds/prospectuses

[1]	Annualized for period less than one year.
[2]	Annualized for period less than one year.
[3]	Annualized for period less than one year.
[4]	Annualized for period less than one year.
[5]	Annualized for period less than one year.
[6]	Annualized for period less than one year.
[7]	Annualized for period less than one year.
[8]	Annualized for period less than one year.
[9]	Annualized for period less than one year.
[10]	Annualized for period less than one year.
[11]	Annualized for period less than one year.
[12]	Annualized for period less than one year.