v3.26.1
Shareholder Report
6 Months Ended
Feb. 28, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS/A
Amendment Flag false
Registrant Name Nuveen Investment Trust II
Entity Central Index Key 0001041673
Entity Investment Company Type N-1A
Document Period End Date Feb. 28, 2026
C000072947 [Member]  
Shareholder Report [Line Items]  
Fund Name Nuveen Equity Long/Short Fund
Class Name Class I Shares
Trading Symbol NELIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Equity Long/Short Fund for the period of September 1, 2025 to February 28, 2026.
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
$10,000 investment*
     
Class I Shares
  $100    1.96%
* Annualized for period less than one year.
Expenses Paid, Amount $ 100
Expense Ratio, Percent 1.96% [1]
Net Assets $ 148,996,030
Holdings Count | Holding 183
Investment Company Portfolio Turnover 35.00%
Additional Fund Statistics [Text Block]
Fund Statistics (as of February 28, 2026)
Fund net assets
     $148,996,030  
Total number of portfolio holdings
     183  
Portfolio turnover (%)
     35%  
Holdings [Text Block]
LOGO
LOGO
LOGO
(1) Includes the gross market value of the Fund’s long and short exposure and short-term repurchase agreements.
C000072945 [Member]  
Shareholder Report [Line Items]  
Fund Name Nuveen Equity Long/Short Fund
Class Name Class C Shares
Trading Symbol NELCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Class C Shares of the Nuveen Equity Long/Short Fund for the period of September 1, 2025 to February 28, 2026.
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
$10,000 investment*
     
Class C Shares
  $151    2.96%
* Annualized for period less than one year.
Expenses Paid, Amount $ 151
Expense Ratio, Percent 2.96% [2]
Net Assets $ 148,996,030
Holdings Count | Holding 183
Investment Company Portfolio Turnover 35.00%
Additional Fund Statistics [Text Block]
Fund Statistics (as of February 28, 2026)
Fund net assets
     $148,996,030  
Total number of portfolio holdings
     183  
Portfolio turnover (%)
     35%  
Holdings [Text Block]
LOGO
LOGO
LOGO
(1) Includes the gross market value of the Fund’s long and short exposure and short-term repurchase agreements.
C000072944 [Member]  
Shareholder Report [Line Items]  
Fund Name Nuveen Equity Long/Short Fund
Class Name Class A Shares
Trading Symbol NELAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Equity Long/Short Fund for the period of September 1, 2025 to February 28, 2026.
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
$10,000 investment*
     
Class A Shares
  $113    2.21%
* Annualized for period less than one year.
Expenses Paid, Amount $ 113
Expense Ratio, Percent 2.21% [3]
Net Assets $ 148,996,030
Holdings Count | Holding 183
Investment Company Portfolio Turnover 35.00%
Additional Fund Statistics [Text Block]
Fund Statistics (as of February 28, 2026)
Fund net assets
     $148,996,030  
Total number of portfolio holdings
     183  
Portfolio turnover (%)
     35%  
Holdings [Text Block]
LOGO
LOGO
LOGO
(1) Includes the gross market value of the Fund’s long and short exposure and short-term repurchase agreements.
[1] Annualized for period less than one year.
[2] Annualized for period less than one year.
[3] Annualized for period less than one year.