| Form N-CSR Cover | 6 Months Ended |
| Dec. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Nuveen Investment Trust |
| Entity Central Index Key | 0001013881 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Dec. 31, 2024 |
| Shareholder Report | 6 Months Ended | |
| Dec. 31, 2024 USD ($) Holding | ||
| Shareholder Report [Line Items] | ||
| Document Type | N-CSRS | |
| Amendment Flag | false | |
| Registrant Name | Nuveen Investment Trust | |
| Entity Central Index Key | 0001013881 | |
| Entity Investment Company Type | N-1A | |
| Document Period End Date | Dec. 31, 2024 | |
| C000001700 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Multi Cap Value Fund | |
| Class Name | Class A Shares | |
| Trading Symbol | NQVAX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Multi Cap Value Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class A Shares $60 1.15% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 60 | |
| Expense Ratio, Percent | 1.15% | [1] |
| Net Assets | $ 498,311,060 | |
| Holdings Count | Holding | 60 | |
| Investment Company Portfolio Turnover | 19% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $ 498,311,060 Total number of portfolio holdings 60 Portfolio turnover (%) 19% | |
| Holdings [Text Block] | ||
| C000001702 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Multi Cap Value Fund | |
| Class Name | Class C Shares | |
| Trading Symbol | NQVCX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class C Shares of the Nuveen Multi Cap Value Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class C Shares $99 1.90% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 99 | |
| Expense Ratio, Percent | 1.90% | [2] |
| Net Assets | $ 498,311,060 | |
| Holdings Count | Holding | 60 | |
| Investment Company Portfolio Turnover | 19% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $ 498,311,060 Total number of portfolio holdings 60 Portfolio turnover (%) 19% | |
| Holdings [Text Block] | ||
| C000001703 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Multi Cap Value Fund | |
| Class Name | Class I Shares | |
| Trading Symbol | NQVRX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Multi Cap Value Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class I Shares $47 0.90% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 47 | |
| Expense Ratio, Percent | 0.90% | [3] |
| Net Assets | $ 498,311,060 | |
| Holdings Count | Holding | 60 | |
| Investment Company Portfolio Turnover | 19% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $498,311,060 Total number of portfolio holdings 60 Portfolio turnover (%) 19% | |
| Holdings [Text Block] | ||
| C000001704 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Small Cap Value Opportunities Fund | |
| Class Name | Class A Shares | |
| Trading Symbol | NSCAX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Small Cap Value Opportunities Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class A Shares $64 1.20% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 64 | |
| Expense Ratio, Percent | 1.20% | [4] |
| Net Assets | $ 217,028,185 | |
| Holdings Count | Holding | 66 | |
| Investment Company Portfolio Turnover | 42% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $217,028,185 Total number of portfolio holdings 66 Portfolio turnover (%) 42% | |
| Holdings [Text Block] | ||
| C000001706 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Small Cap Value Opportunities Fund | |
| Class Name | Class C Shares | |
| Trading Symbol | NSCCX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class C Shares of the Nuveen Small Cap Value Opportunities Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class C Shares $104 1.95% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 104 | |
| Expense Ratio, Percent | 1.95% | [5] |
| Net Assets | $ 217,028,185 | |
| Holdings Count | Holding | 66 | |
| Investment Company Portfolio Turnover | 42% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $217,028,185 Total number of portfolio holdings 66 Portfolio turnover (%) 42% | |
| Holdings [Text Block] | ||
| C000123977 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Small Cap Value Opportunities Fund | |
| Class Name | Class R6 Shares | |
| Trading Symbol | NSCFX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Small Cap Value Opportunities Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class R6 Shares $44 0.83% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 44 | |
| Expense Ratio, Percent | 0.83% | [6] |
| Net Assets | $ 217,028,185 | |
| Holdings Count | Holding | 66 | |
| Investment Company Portfolio Turnover | 42% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $217,028,185 Total number of portfolio holdings 66 Portfolio turnover (%) 42% | |
| Holdings [Text Block] | ||
| C000001707 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Small Cap Value Opportunities Fund | |
| Class Name | Class I Shares | |
| Trading Symbol | NSCRX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Small Cap Value Opportunities Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class I Shares $51 0.95% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 51 | |
| Expense Ratio, Percent | 0.95% | [7] |
| Net Assets | $ 217,028,185 | |
| Holdings Count | Holding | 66 | |
| Investment Company Portfolio Turnover | 42% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $217,028,185 Total number of portfolio holdings 66 Portfolio turnover (%) 42% | |
| Holdings [Text Block] | ||
| C000039982 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Large Cap Value Opportunities Fund | |
| Class Name | Class A Shares | |
| Trading Symbol | NQCAX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Large Cap Value Opportunities Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class A Shares $51 0.99% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 51 | |
| Expense Ratio, Percent | 0.99% | [8] |
| Net Assets | $ 22,060,585 | |
| Holdings Count | Holding | 58 | |
| Investment Company Portfolio Turnover | 14% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $22,060,585 Total number of portfolio holdings 58 Portfolio turnover (%) 14% | |
| Holdings [Text Block] | ||
| C000039984 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Large Cap Value Opportunities Fund | |
| Class Name | Class C Shares | |
| Trading Symbol | NQCCX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class C Shares of the Nuveen Large Cap Value Opportunities Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class C Shares $90 1.74% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 90 | |
| Expense Ratio, Percent | 1.74% | [9] |
| Net Assets | $ 22,060,585 | |
| Holdings Count | Holding | 58 | |
| Investment Company Portfolio Turnover | 14% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $22,060,585 Total number of portfolio holdings 58 Portfolio turnover (%) 14% | |
| Holdings [Text Block] | ||
| C000039985 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Large Cap Value Opportunities Fund | |
| Class Name | Class I Shares | |
| Trading Symbol | NQCRX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Large Cap Value Opportunities Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class I Shares $38 0.74% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 38 | |
| Expense Ratio, Percent | 0.74% | [10] |
| Net Assets | $ 22,060,585 | |
| Holdings Count | Holding | 58 | |
| Investment Company Portfolio Turnover | 14% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $22,060,585 Total number of portfolio holdings 58 Portfolio turnover (%) 14% | |
| Holdings [Text Block] | ||
| C000039986 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Small/Mid Cap Value Fund | |
| Class Name | Class A Shares | |
| Trading Symbol | NSMAX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Small/Mid Cap Value Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class A Shares $69 1.31% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 69 | |
| Expense Ratio, Percent | 1.31% | [11] |
| Net Assets | $ 109,493,923 | |
| Holdings Count | Holding | 66 | |
| Investment Company Portfolio Turnover | 31% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $109,493,923 Total number of portfolio holdings 66 Portfolio turnover (%) 31% | |
| Holdings [Text Block] | ||
| C000039988 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Small/Mid Cap Value Fund | |
| Class Name | Class C Shares | |
| Trading Symbol | NSMCX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class C Shares of the Nuveen Small/Mid Cap Value Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class C Shares $108 2.06% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 108 | |
| Expense Ratio, Percent | 2.06% | [12] |
| Net Assets | $ 109,493,923 | |
| Holdings Count | Holding | 66 | |
| Investment Company Portfolio Turnover | 31% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $ 109,493,923 Total number of portfolio holdings 66 Portfolio turnover (%) 31% | |
| Holdings [Text Block] | ||
| C000171397 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Small/Mid Cap Value Fund | |
| Class Name | Class R6 Shares | |
| Trading Symbol | NWQFX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Small/Mid Cap Value Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class R6 Shares $47 0.89% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 47 | |
| Expense Ratio, Percent | 0.89% | [13] |
| Net Assets | $ 109,493,923 | |
| Holdings Count | Holding | 66 | |
| Investment Company Portfolio Turnover | 31% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $ 109,493,923 Total number of portfolio holdings 66 Portfolio turnover (%) 31% | |
| Holdings [Text Block] | ||
| C000039989 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Small/Mid Cap Value Fund | |
| Class Name | Class I Shares | |
| Trading Symbol | NSMRX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Small/Mid Cap Value Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class I Shares $56 1.06% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 56 | |
| Expense Ratio, Percent | 1.06% | [14] |
| Net Assets | $ 109,493,923 | |
| Holdings Count | Holding | 66 | |
| Investment Company Portfolio Turnover | 31% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $ 109,493,923 Total number of portfolio holdings 66 Portfolio turnover (%) 31% | |
| Holdings [Text Block] | ||
| C000079618 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Global Equity Income Fund | |
| Class Name | Class A Shares | |
| Trading Symbol | NQGAX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Global Equity Income Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class A Shares $57 1.11% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 57 | |
| Expense Ratio, Percent | 1.11% | [15] |
| Net Assets | $ 131,135,832 | |
| Holdings Count | Holding | 59 | |
| Investment Company Portfolio Turnover | 15% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $131,135,832 Total number of portfolio holdings 59 Portfolio turnover (%) 15% | |
| Holdings [Text Block] | ||
| C000079619 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Global Equity Income Fund | |
| Class Name | Class C Shares | |
| Trading Symbol | NQGCX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class C Shares of the Nuveen Global Equity Income Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class C Shares $95 1.86% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 95 | |
| Expense Ratio, Percent | 1.86% | [16] |
| Net Assets | $ 131,135,832 | |
| Holdings Count | Holding | 59 | |
| Investment Company Portfolio Turnover | 15% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $131,135,832 Total number of portfolio holdings 59 Portfolio turnover (%) 15% | |
| Holdings [Text Block] | ||
| C000079621 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Nuveen Global Equity Income Fund | |
| Class Name | Class I Shares | |
| Trading Symbol | NQGIX | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Global Equity Income Fund for the period of July 1, 2024 to December 31, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-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. | |
| 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 six months? (based on a hypothetical $10,000 investment) Cost of a $10,000 investment Costs paid as a percentage of Class I Shares $44 0.86% * Annualized for period less than one year. | |
| Expenses Paid, Amount | $ 44 | |
| Expense Ratio, Percent | 0.86% | [17] |
| Net Assets | $ 131,135,832 | |
| Holdings Count | Holding | 59 | |
| Investment Company Portfolio Turnover | 15% | |
| Additional Fund Statistics [Text Block] | Fund Statistics (as of December 31, 2024) Fund net assets $131,135,832 Total number of portfolio holdings 59 Portfolio turnover (%) 15% | |
| Holdings [Text Block] | ||
| [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.[13]Annualized for period less than one year.[14]Annualized for period less than one year.[15]Annualized for period less than one year.[16]Annualized for period less than one year.[17]Annualized for period less than one year. | ||
| Shareholder Report, Holdings (Details) | Dec. 31, 2024 |
| C000001700 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 98.70% |
| C000001700 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.10% |
| C000001700 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.20% |
| C000001702 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 98.70% |
| C000001702 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.10% |
| C000001702 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.20% |
| C000001703 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 98.70% |
| C000001703 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.10% |
| C000001703 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.20% |
| C000001704 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 94% |
| C000001704 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.90% |
| C000001704 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.10% |
| C000001706 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 94% |
| C000001706 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.90% |
| C000001706 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.10% |
| C000123977 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 94% |
| C000123977 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.90% |
| C000123977 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.10% |
| C000001707 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 94% |
| C000001707 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.90% |
| C000001707 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.10% |
| C000039982 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 99.90% |
| C000039982 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.10% |
| C000039982 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0% |
| C000039984 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 99.90% |
| C000039984 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.10% |
| C000039984 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0% |
| C000039985 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 99.90% |
| C000039985 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0.10% |
| C000039985 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 0% |
| C000039986 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 95.60% |
| C000039986 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000039986 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.30% |
| C000039988 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 95.60% |
| C000039988 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000039988 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.30% |
| C000171397 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 95.60% |
| C000171397 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000171397 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.30% |
| C000039989 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 95.60% |
| C000039989 [Member] | Short Term Repurchase Agreements [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.10% |
| C000039989 [Member] | Investments Purchased with Collateral from Securities Lending [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.30% |
| C000079618 [Member] | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.10% |
| C000079618 [Member] | AUSTRALIA | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000079618 [Member] | BELGIUM | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.60% |
| C000079618 [Member] | SWITZERLAND | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.20% |
| C000079618 [Member] | GERMANY | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.50% |
| C000079618 [Member] | FRANCE | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.80% |
| C000079618 [Member] | UNITED KINGDOM | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.20% |
| C000079618 [Member] | HONG KONG | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.80% |
| C000079618 [Member] | JAPAN | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.30% |
| C000079618 [Member] | NETHERLANDS | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.10% |
| C000079618 [Member] | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Total Investments | 56.70% |
| C000079618 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 100% |
| C000079619 [Member] | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.10% |
| C000079619 [Member] | AUSTRALIA | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000079619 [Member] | BELGIUM | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.60% |
| C000079619 [Member] | SWITZERLAND | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.20% |
| C000079619 [Member] | GERMANY | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.50% |
| C000079619 [Member] | FRANCE | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.80% |
| C000079619 [Member] | UNITED KINGDOM | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.20% |
| C000079619 [Member] | HONG KONG | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.80% |
| C000079619 [Member] | JAPAN | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.30% |
| C000079619 [Member] | NETHERLANDS | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.10% |
| C000079619 [Member] | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Total Investments | 56.70% |
| C000079619 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 100% |
| C000079621 [Member] | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 8.10% |
| C000079621 [Member] | AUSTRALIA | |
| Holdings [Line Items] | |
| Percent of Total Investments | 1.70% |
| C000079621 [Member] | BELGIUM | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.60% |
| C000079621 [Member] | SWITZERLAND | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.20% |
| C000079621 [Member] | GERMANY | |
| Holdings [Line Items] | |
| Percent of Total Investments | 6.50% |
| C000079621 [Member] | FRANCE | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.80% |
| C000079621 [Member] | UNITED KINGDOM | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.20% |
| C000079621 [Member] | HONG KONG | |
| Holdings [Line Items] | |
| Percent of Total Investments | 2.80% |
| C000079621 [Member] | JAPAN | |
| Holdings [Line Items] | |
| Percent of Total Investments | 7.30% |
| C000079621 [Member] | NETHERLANDS | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.10% |
| C000079621 [Member] | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Total Investments | 56.70% |
| C000079621 [Member] | Common Stock [Member] | |
| Holdings [Line Items] | |
| Percent of Total Investments | 100% |
