Shareholder Report
|
6 Months Ended |
|
Apr. 30, 2026
USD ($)
Holding
|
|---|
| Shareholder Report [Line Items] |
|
|
| Document Type |
N-CSRS
|
|
| Amendment Flag |
false
|
|
| Registrant Name |
TIAA-CREF Funds
|
|
| Entity Central Index Key |
0001084380
|
|
| Entity Investment Company Type |
N-1A
|
|
| Document Period End Date |
Apr. 30, 2026
|
|
| C000202765 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Opportunities Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TIOVX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen International Opportunities Fund for the period of November 1, 2025 to April 30, 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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[1] |
| Net Assets |
$ 2,822,063,960
|
|
| Holdings Count | Holding |
85
|
|
| Investment Company Portfolio Turnover |
26.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,822,063,960 |
|
|
|
| Total number of portfolio holdings |
|
|
85 |
|
|
|
| Portfolio turnover (%) |
|
|
26% |
|
|
|
| Holdings [Text Block] |
|
|
| C000124965 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Opportunities Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TIOTX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen International Opportunities Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$42 |
|
0.84% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 42
|
|
| Expense Ratio, Percent |
0.84%
|
[2] |
| Net Assets |
$ 2,822,063,960
|
|
| Holdings Count | Holding |
85
|
|
| Investment Company Portfolio Turnover |
26.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,822,063,960 |
|
|
|
| Total number of portfolio holdings |
|
|
85 |
|
|
|
| Portfolio turnover (%) |
|
|
26% |
|
|
|
| Holdings [Text Block] |
|
|
| C000158756 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Responsible Equity Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TSORX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen International Responsible Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$32 |
|
0.62% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 32
|
|
| Expense Ratio, Percent |
0.62%
|
[3] |
| Net Assets |
$ 1,773,144,581
|
|
| Holdings Count | Holding |
245
|
|
| Investment Company Portfolio Turnover |
19.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,773,144,581 |
|
|
|
| Total number of portfolio holdings |
|
|
245 |
|
|
|
| Portfolio turnover (%) |
|
|
19% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162604 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Responsible Equity Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TSOHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen International Responsible Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$16 |
|
0.30% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 16
|
|
| Expense Ratio, Percent |
0.30%
|
[4] |
| Net Assets |
$ 1,773,144,581
|
|
| Holdings Count | Holding |
245
|
|
| Investment Company Portfolio Turnover |
19.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,773,144,581 |
|
|
|
| Total number of portfolio holdings |
|
|
245 |
|
|
|
| Portfolio turnover (%) |
|
|
19% |
|
|
|
| Holdings [Text Block] |
|
|
| C000124964 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Opportunities Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TIOSX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen International Opportunities Fund for the period of November 1, 2025 to April 30, 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 |
|
$49 |
|
0.96% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 49
|
|
| Expense Ratio, Percent |
0.96%
|
[5] |
| Net Assets |
$ 2,822,063,960
|
|
| Holdings Count | Holding |
85
|
|
| Investment Company Portfolio Turnover |
26.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,822,063,960 |
|
|
|
| Total number of portfolio holdings |
|
|
85 |
|
|
|
| Portfolio turnover (%) |
|
|
26% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162599 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Opportunities Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TIOHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen International Opportunities Fund for the period of November 1, 2025 to April 30, 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 |
|
$31 |
|
0.62% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 31
|
|
| Expense Ratio, Percent |
0.62%
|
[6] |
| Net Assets |
$ 2,822,063,960
|
|
| Holdings Count | Holding |
85
|
|
| Investment Company Portfolio Turnover |
26.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,822,063,960 |
|
|
|
| Total number of portfolio holdings |
|
|
85 |
|
|
|
| Portfolio turnover (%) |
|
|
26% |
|
|
|
| Holdings [Text Block] |
|
|
| C000124963 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Opportunities Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TIOPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen International Opportunities Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$37 |
|
0.74% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 37
|
|
| Expense Ratio, Percent |
0.74%
|
[7] |
| Net Assets |
$ 2,822,063,960
|
|
| Holdings Count | Holding |
85
|
|
| Investment Company Portfolio Turnover |
26.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,822,063,960 |
|
|
|
| Total number of portfolio holdings |
|
|
85 |
|
|
|
| Portfolio turnover (%) |
|
|
26% |
|
|
|
| Holdings [Text Block] |
|
|
| C000124962 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Opportunities Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TIOIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen International Opportunities Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$30 |
|
0.59% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 30
|
|
| Expense Ratio, Percent |
0.59%
|
[8] |
| Net Assets |
$ 2,822,063,960
|
|
| Holdings Count | Holding |
85
|
|
| Investment Company Portfolio Turnover |
26.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,822,063,960 |
|
|
|
| Total number of portfolio holdings |
|
|
85 |
|
|
|
| Portfolio turnover (%) |
|
|
26% |
|
|
|
| Holdings [Text Block] |
|
|
| C000171525 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small/Mid Cap Equity Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TSMEX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Quant Small/Mid Cap Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$41 |
|
0.76% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 41
|
|
| Expense Ratio, Percent |
0.76%
|
[9] |
| Net Assets |
$ 2,546,885,824
|
|
| Holdings Count | Holding |
365
|
|
| Investment Company Portfolio Turnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,546,885,824 |
|
|
|
| Total number of portfolio holdings |
|
|
365 |
|
|
|
| Portfolio turnover (%) |
|
|
43% |
|
|
|
| Holdings [Text Block] |
|
|
| C000171522 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small/Mid Cap Equity Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TSMNX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Quant Small/Mid Cap Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$29 |
|
0.53% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 29
|
|
| Expense Ratio, Percent |
0.53%
|
[10] |
| Net Assets |
$ 2,546,885,824
|
|
| Holdings Count | Holding |
365
|
|
| Investment Company Portfolio Turnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,546,885,824 |
|
|
|
| Total number of portfolio holdings |
|
|
365 |
|
|
|
| Portfolio turnover (%) |
|
|
43% |
|
|
|
| Holdings [Text Block] |
|
|
| C000171524 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small/Mid Cap Equity Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TSMMX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Quant Small/Mid Cap Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$31 |
|
0.58% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 31
|
|
| Expense Ratio, Percent |
0.58%
|
[11] |
| Net Assets |
$ 2,546,885,824
|
|
| Holdings Count | Holding |
365
|
|
| Investment Company Portfolio Turnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,546,885,824 |
|
|
|
| Total number of portfolio holdings |
|
|
365 |
|
|
|
| Portfolio turnover (%) |
|
|
43% |
|
|
|
| Holdings [Text Block] |
|
|
| C000158755 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Responsible Equity Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TSOPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen International Responsible Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$22 |
|
0.42% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 22
|
|
| Expense Ratio, Percent |
0.42%
|
[12] |
| Net Assets |
$ 1,773,144,581
|
|
| Holdings Count | Holding |
245
|
|
| Investment Company Portfolio Turnover |
19.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,773,144,581 |
|
|
|
| Total number of portfolio holdings |
|
|
245 |
|
|
|
| Portfolio turnover (%) |
|
|
19% |
|
|
|
| Holdings [Text Block] |
|
|
| C000158754 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Responsible Equity Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TSONX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen International Responsible Equity Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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 R6 Shares |
|
$14 |
|
0.27% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 14
|
|
| Expense Ratio, Percent |
0.27%
|
[13] |
| Net Assets |
$ 1,773,144,581
|
|
| Holdings Count | Holding |
245
|
|
| Investment Company Portfolio Turnover |
19.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,773,144,581 |
|
|
|
| Total number of portfolio holdings |
|
|
245 |
|
|
|
| Portfolio turnover (%) |
|
|
19% |
|
|
|
| Holdings [Text Block] |
|
|
| C000158757 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Responsible Equity Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TSOEX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen International Responsible Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$27 |
|
0.52% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 27
|
|
| Expense Ratio, Percent |
0.52%
|
[14] |
| Net Assets |
$ 1,773,144,581
|
|
| Holdings Count | Holding |
245
|
|
| Investment Company Portfolio Turnover |
19.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,773,144,581 |
|
|
|
| Total number of portfolio holdings |
|
|
245 |
|
|
|
| Portfolio turnover (%) |
|
|
19% |
|
|
|
| Holdings [Text Block] |
|
|
| C000090854 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Index Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TEQKX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Emerging Markets Equity Index Fund for the period of November 1, 2025 to April 30, 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 |
|
$26 |
|
0.48% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 26
|
|
| Expense Ratio, Percent |
0.48%
|
[15] |
| Net Assets |
$ 9,368,836,952
|
|
| Holdings Count | Holding |
1,227
|
|
| Investment Company Portfolio Turnover |
6.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
9,368,836,952 |
|
|
|
| Total number of portfolio holdings |
|
|
1,227 |
|
|
|
| Portfolio turnover (%) |
|
|
6% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162589 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Index Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TEQHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Emerging Markets Equity Index Fund for the period of November 1, 2025 to April 30, 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 |
|
$12 |
|
0.23% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 12
|
|
| Expense Ratio, Percent |
0.23%
|
[16] |
| Net Assets |
$ 9,368,836,952
|
|
| Holdings Count | Holding |
1,227
|
|
| Investment Company Portfolio Turnover |
6.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
9,368,836,952 |
|
|
|
| Total number of portfolio holdings |
|
|
1,227 |
|
|
|
| Portfolio turnover (%) |
|
|
6% |
|
|
|
| Holdings [Text Block] |
|
|
| C000090856 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Index Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TEQPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Emerging Markets Equity Index Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$16 |
|
0.29% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 16
|
|
| Expense Ratio, Percent |
0.29%
|
[17] |
| Net Assets |
$ 9,368,836,952
|
|
| Holdings Count | Holding |
1,227
|
|
| Investment Company Portfolio Turnover |
6.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
9,368,836,952 |
|
|
|
| Total number of portfolio holdings |
|
|
1,227 |
|
|
|
| Portfolio turnover (%) |
|
|
6% |
|
|
|
| Holdings [Text Block] |
|
|
| C000090857 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Index Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TEQLX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Emerging Markets Equity Index Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$8 |
|
0.14% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 8
|
|
| Expense Ratio, Percent |
0.14%
|
[18] |
| Net Assets |
$ 9,368,836,952
|
|
| Holdings Count | Holding |
1,227
|
|
| Investment Company Portfolio Turnover |
6.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
9,368,836,952 |
|
|
|
| Total number of portfolio holdings |
|
|
1,227 |
|
|
|
| Portfolio turnover (%) |
|
|
6% |
|
|
|
| Holdings [Text Block] |
|
|
| C000090855 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Index Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TEQSX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Emerging Markets Equity Index Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$21 |
|
0.39% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 21
|
|
| Expense Ratio, Percent |
0.39%
|
[19] |
| Net Assets |
$ 9,368,836,952
|
|
| Holdings Count | Holding |
1,227
|
|
| Investment Company Portfolio Turnover |
6.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
9,368,836,952 |
|
|
|
| Total number of portfolio holdings |
|
|
1,227 |
|
|
|
| Portfolio turnover (%) |
|
|
6% |
|
|
|
| Holdings [Text Block] |
|
|
| C000202764 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Index Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TENWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen Emerging Markets Equity Index Fund for the period of November 1, 2025 to April 30, 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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[20] |
| Net Assets |
$ 9,368,836,952
|
|
| Holdings Count | Holding |
1,227
|
|
| Investment Company Portfolio Turnover |
6.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
9,368,836,952 |
|
|
|
| Total number of portfolio holdings |
|
|
1,227 |
|
|
|
| Portfolio turnover (%) |
|
|
6% |
|
|
|
| Holdings [Text Block] |
|
|
| C000202763 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TEMVX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen Emerging Markets Equity Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[21] |
| Net Assets |
$ 1,878,023,098
|
|
| Holdings Count | Holding |
79
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,878,023,098 |
|
|
|
| Total number of portfolio holdings |
|
|
79 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000090852 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TEMPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Emerging Markets Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$55 |
|
1.03% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 55
|
|
| Expense Ratio, Percent |
1.03%
|
[22] |
| Net Assets |
$ 1,878,023,098
|
|
| Holdings Count | Holding |
79
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,878,023,098 |
|
|
|
| Total number of portfolio holdings |
|
|
79 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162588 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TEMHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Emerging Markets Equity Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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 |
|
$51 |
|
0.96% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 51
|
|
| Expense Ratio, Percent |
0.96%
|
[23] |
| Net Assets |
$ 1,878,023,098
|
|
| Holdings Count | Holding |
79
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,878,023,098 |
|
|
|
| Total number of portfolio holdings |
|
|
79 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000090853 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TEMLX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Emerging Markets Equity Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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 R6 Shares |
|
$47 |
|
0.88% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 47
|
|
| Expense Ratio, Percent |
0.88%
|
[24] |
| Net Assets |
$ 1,878,023,098
|
|
| Holdings Count | Holding |
79
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,878,023,098 |
|
|
|
| Total number of portfolio holdings |
|
|
79 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000090851 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TEMSX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Emerging Markets Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$60 |
|
1.13% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 60
|
|
| Expense Ratio, Percent |
1.13%
|
[25] |
| Net Assets |
$ 1,878,023,098
|
|
| Holdings Count | Holding |
79
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,878,023,098 |
|
|
|
| Total number of portfolio holdings |
|
|
79 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000090850 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Emerging Markets Equity Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TEMRX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Emerging Markets Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$66 |
|
1.24% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 66
|
|
| Expense Ratio, Percent |
1.24%
|
[26] |
| Net Assets |
$ 1,878,023,098
|
|
| Holdings Count | Holding |
79
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,878,023,098 |
|
|
|
| Total number of portfolio holdings |
|
|
79 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000202769 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small/Mid Cap Equity Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TSMUX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen Quant Small/Mid Cap Equity Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[27] |
| Net Assets |
$ 2,546,885,824
|
|
| Holdings Count | Holding |
365
|
|
| Investment Company Portfolio Turnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,546,885,824 |
|
|
|
| Total number of portfolio holdings |
|
|
365 |
|
|
|
| Portfolio turnover (%) |
|
|
43% |
|
|
|
| Holdings [Text Block] |
|
|
| C000175456 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant International Small Cap Equity Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TLISX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Quant International Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$58 |
|
1.06% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 58
|
|
| Expense Ratio, Percent |
1.06%
|
[28] |
| Net Assets |
$ 1,525,299,602
|
|
| Holdings Count | Holding |
451
|
|
| Investment Company Portfolio Turnover |
63.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,525,299,602 |
|
|
|
| Total number of portfolio holdings |
|
|
451 |
|
|
|
| Portfolio turnover (%) |
|
|
63% |
|
|
|
| Holdings [Text Block] |
|
|
| C000175453 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant International Small Cap Equity Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TAISX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Quant International Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$41 |
|
0.76% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 41
|
|
| Expense Ratio, Percent |
0.76%
|
[29] |
| Net Assets |
$ 1,525,299,602
|
|
| Holdings Count | Holding |
451
|
|
| Investment Company Portfolio Turnover |
63.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,525,299,602 |
|
|
|
| Total number of portfolio holdings |
|
|
451 |
|
|
|
| Portfolio turnover (%) |
|
|
63% |
|
|
|
| Holdings [Text Block] |
|
|
| C000171521 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small/Mid Cap Equity Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TSMOX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Quant Small/Mid Cap Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$37 |
|
0.68% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 37
|
|
| Expense Ratio, Percent |
0.68%
|
[30] |
| Net Assets |
$ 2,546,885,824
|
|
| Holdings Count | Holding |
365
|
|
| Investment Company Portfolio Turnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,546,885,824 |
|
|
|
| Total number of portfolio holdings |
|
|
365 |
|
|
|
| Portfolio turnover (%) |
|
|
43% |
|
|
|
| Holdings [Text Block] |
|
|
| C000171523 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small/Mid Cap Equity Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TSMWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Quant Small/Mid Cap Equity Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$23 |
|
0.43% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 23
|
|
| Expense Ratio, Percent |
0.43%
|
[31] |
| Net Assets |
$ 2,546,885,824
|
|
| Holdings Count | Holding |
365
|
|
| Investment Company Portfolio Turnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$2,546,885,824 |
|
|
|
| Total number of portfolio holdings |
|
|
365 |
|
|
|
| Portfolio turnover (%) |
|
|
43% |
|
|
|
| Holdings [Text Block] |
|
|
| C000175455 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant International Small Cap Equity Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TPISX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Quant International Small Cap Equity Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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* |
| |
|
|
| Premier Class Shares |
|
$48 |
|
0.88% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 48
|
|
| Expense Ratio, Percent |
0.88%
|
[32] |
| Net Assets |
$ 1,525,299,602
|
|
| Holdings Count | Holding |
451
|
|
| Investment Company Portfolio Turnover |
63.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,525,299,602 |
|
|
|
| Total number of portfolio holdings |
|
|
451 |
|
|
|
| Portfolio turnover (%) |
|
|
63% |
|
|
|
| Holdings [Text Block] |
|
|
| C000175454 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant International Small Cap Equity Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TIISX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Quant International Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$39 |
|
0.71% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 39
|
|
| Expense Ratio, Percent |
0.71%
|
[33] |
| Net Assets |
$ 1,525,299,602
|
|
| Holdings Count | Holding |
451
|
|
| Investment Company Portfolio Turnover |
63.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,525,299,602 |
|
|
|
| Total number of portfolio holdings |
|
|
451 |
|
|
|
| Portfolio turnover (%) |
|
|
63% |
|
|
|
| Holdings [Text Block] |
|
|
| C000175457 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant International Small Cap Equity Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TTISX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Quant International Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$52 |
|
0.96% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 52
|
|
| Expense Ratio, Percent |
0.96%
|
[34] |
| Net Assets |
$ 1,525,299,602
|
|
| Holdings Count | Holding |
451
|
|
| Investment Company Portfolio Turnover |
63.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,525,299,602 |
|
|
|
| Total number of portfolio holdings |
|
|
451 |
|
|
|
| Portfolio turnover (%) |
|
|
63% |
|
|
|
| Holdings [Text Block] |
|
|
| C000202770 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant International Small Cap Equity Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TAIWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen Quant International Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[35] |
| Net Assets |
$ 1,525,299,602
|
|
| Holdings Count | Holding |
451
|
|
| Investment Company Portfolio Turnover |
63.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,525,299,602 |
|
|
|
| Total number of portfolio holdings |
|
|
451 |
|
|
|
| Portfolio turnover (%) |
|
|
63% |
|
|
|
| Holdings [Text Block] |
|
|
| C000202750 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TIEWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen International Equity Fund for the period of November 1, 2025 to April 30, 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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[36] |
| Net Assets |
$ 5,480,889,533
|
|
| Holdings Count | Holding |
72
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$5,480,889,533 |
|
|
|
| Total number of portfolio holdings |
|
|
72 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014645 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TIIEX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen International Equity Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$24 |
|
0.46% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 24
|
|
| Expense Ratio, Percent |
0.46%
|
[37] |
| Net Assets |
$ 5,480,889,533
|
|
| Holdings Count | Holding |
72
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$5,480,889,533 |
|
|
|
| Total number of portfolio holdings |
|
|
72 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014646 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRERX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen International Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$37 |
|
0.71% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 37
|
|
| Expense Ratio, Percent |
0.71%
|
[38] |
| Net Assets |
$ 5,480,889,533
|
|
| Holdings Count | Holding |
72
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$5,480,889,533 |
|
|
|
| Total number of portfolio holdings |
|
|
72 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000033996 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TIERX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen International Equity Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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 |
|
$42 |
|
0.80% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 42
|
|
| Expense Ratio, Percent |
0.80%
|
[39] |
| Net Assets |
$ 5,480,889,533
|
|
| Holdings Count | Holding |
72
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$5,480,889,533 |
|
|
|
| Total number of portfolio holdings |
|
|
72 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162558 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TIEHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen International Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$29 |
|
0.56% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 29
|
|
| Expense Ratio, Percent |
0.56%
|
[40] |
| Net Assets |
$ 5,480,889,533
|
|
| Holdings Count | Holding |
72
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$5,480,889,533 |
|
|
|
| Total number of portfolio holdings |
|
|
72 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000079565 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TREPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen International Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$32 |
|
0.61% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 32
|
|
| Expense Ratio, Percent |
0.61%
|
[41] |
| Net Assets |
$ 5,480,889,533
|
|
| Holdings Count | Holding |
72
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$5,480,889,533 |
|
|
|
| Total number of portfolio holdings |
|
|
72 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014649 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Value Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TCLCX
|
|
| 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 Fund for the period of November 1, 2025 to April 30, 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 |
|
$37 |
|
0.70% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 37
|
|
| Expense Ratio, Percent |
0.70%
|
[42] |
| Net Assets |
$ 6,364,978,503
|
|
| Holdings Count | Holding |
76
|
|
| Investment Company Portfolio Turnover |
4.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,364,978,503 |
|
|
|
| Total number of portfolio holdings |
|
|
76 |
|
|
|
| Portfolio turnover (%) |
|
|
4% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162560 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Value Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TRLHX
|
|
| 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 Fund for the period of November 1, 2025 to April 30, 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 |
|
$22 |
|
0.42% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 22
|
|
| Expense Ratio, Percent |
0.42%
|
[43] |
| Net Assets |
$ 6,364,978,503
|
|
| Holdings Count | Holding |
76
|
|
| Investment Company Portfolio Turnover |
4.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,364,978,503 |
|
|
|
| Total number of portfolio holdings |
|
|
76 |
|
|
|
| Portfolio turnover (%) |
|
|
4% |
|
|
|
| Holdings [Text Block] |
|
|
| C000079567 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Value Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TRCPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Large Cap Value Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$29 |
|
0.55% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 29
|
|
| Expense Ratio, Percent |
0.55%
|
[44] |
| Net Assets |
$ 6,364,978,503
|
|
| Holdings Count | Holding |
76
|
|
| Investment Company Portfolio Turnover |
4.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,364,978,503 |
|
|
|
| Total number of portfolio holdings |
|
|
76 |
|
|
|
| Portfolio turnover (%) |
|
|
4% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014648 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Value Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TRLIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Large Cap Value Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$21 |
|
0.40% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 21
|
|
| Expense Ratio, Percent |
0.40%
|
[45] |
| Net Assets |
$ 6,364,978,503
|
|
| Holdings Count | Holding |
76
|
|
| Investment Company Portfolio Turnover |
4.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,364,978,503 |
|
|
|
| Total number of portfolio holdings |
|
|
76 |
|
|
|
| Portfolio turnover (%) |
|
|
4% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014650 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Value Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRLCX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Large Cap Value Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$35 |
|
0.65% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 35
|
|
| Expense Ratio, Percent |
0.65%
|
[46] |
| Net Assets |
$ 6,364,978,503
|
|
| Holdings Count | Holding |
76
|
|
| Investment Company Portfolio Turnover |
4.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,364,978,503 |
|
|
|
| Total number of portfolio holdings |
|
|
76 |
|
|
|
| Portfolio turnover (%) |
|
|
4% |
|
|
|
| Holdings [Text Block] |
|
|
| C000202751 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Value Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TRLWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen Large Cap Value Fund for the period of November 1, 2025 to April 30, 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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[47] |
| Net Assets |
$ 6,364,978,503
|
|
| Holdings Count | Holding |
76
|
|
| Investment Company Portfolio Turnover |
4.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,364,978,503 |
|
|
|
| Total number of portfolio holdings |
|
|
76 |
|
|
|
| Portfolio turnover (%) |
|
|
4% |
|
|
|
| Holdings [Text Block] |
|
|
| C000033990 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Responsible Equity Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TICRX
|
|
| 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 Responsible Equity Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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 |
|
$23 |
|
0.45% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 23
|
|
| Expense Ratio, Percent |
0.45%
|
[48] |
| Net Assets |
$ 6,448,245,462
|
|
| Holdings Count | Holding |
143
|
|
| Investment Company Portfolio Turnover |
22.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,448,245,462 |
|
|
|
| Total number of portfolio holdings |
|
|
143 |
|
|
|
| Portfolio turnover (%) |
|
|
22% |
|
|
|
| Holdings [Text Block] |
(1) Affiliated investment.
|
|
| C000162548 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Responsible Equity Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TICHX
|
|
| 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 Responsible Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$12 |
|
0.23% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 12
|
|
| Expense Ratio, Percent |
0.23%
|
[49] |
| Net Assets |
$ 6,448,245,462
|
|
| Holdings Count | Holding |
143
|
|
| Investment Company Portfolio Turnover |
22.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,448,245,462 |
|
|
|
| Total number of portfolio holdings |
|
|
143 |
|
|
|
| Portfolio turnover (%) |
|
|
22% |
|
|
|
| Holdings [Text Block] |
(1) Affiliated investment.
|
|
| C000079555 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Responsible Equity Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TRPSX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Large Cap Responsible Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$17 |
|
0.32% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 17
|
|
| Expense Ratio, Percent |
0.32%
|
[50] |
| Net Assets |
$ 6,448,245,462
|
|
| Holdings Count | Holding |
143
|
|
| Investment Company Portfolio Turnover |
22.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,448,245,462 |
|
|
|
| Total number of portfolio holdings |
|
|
143 |
|
|
|
| Portfolio turnover (%) |
|
|
22% |
|
|
|
| Holdings [Text Block] |
(1) Affiliated investment.
|
|
| C000014633 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Responsible Equity Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TISCX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Large Cap Responsible Equity Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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 R6 Shares |
|
$9 |
|
0.17% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 9
|
|
| Expense Ratio, Percent |
0.17%
|
[51] |
| Net Assets |
$ 6,448,245,462
|
|
| Holdings Count | Holding |
143
|
|
| Investment Company Portfolio Turnover |
22.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,448,245,462 |
|
|
|
| Total number of portfolio holdings |
|
|
143 |
|
|
|
| Portfolio turnover (%) |
|
|
22% |
|
|
|
| Holdings [Text Block] |
(1) Affiliated investment.
|
|
| C000202746 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Core Equity Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TGIWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen Core Equity Fund for the period of November 1, 2025 to April 30, 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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[52] |
| Net Assets |
$ 7,062,402,674
|
|
| Holdings Count | Holding |
64
|
|
| Investment Company Portfolio Turnover |
55.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$7,062,402,674 |
|
|
|
| Total number of portfolio holdings |
|
|
64 |
|
|
|
| Portfolio turnover (%) |
|
|
55% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014634 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Responsible Equity Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRSCX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Large Cap Responsible Equity Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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* |
| |
|
|
| Retirement Class Shares |
|
$22 |
|
0.42% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 22
|
|
| Expense Ratio, Percent |
0.42%
|
[53] |
| Net Assets |
$ 6,448,245,462
|
|
| Holdings Count | Holding |
143
|
|
| Investment Company Portfolio Turnover |
22.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,448,245,462 |
|
|
|
| Total number of portfolio holdings |
|
|
143 |
|
|
|
| Portfolio turnover (%) |
|
|
22% |
|
|
|
| Holdings [Text Block] |
(1) Affiliated investment.
|
|
| C000014631 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Core Equity Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TIGRX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Core Equity Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$20 |
|
0.40% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 20
|
|
| Expense Ratio, Percent |
0.40%
|
[54] |
| Net Assets |
$ 7,062,402,674
|
|
| Holdings Count | Holding |
64
|
|
| Investment Company Portfolio Turnover |
55.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$7,062,402,674 |
|
|
|
| Total number of portfolio holdings |
|
|
64 |
|
|
|
| Portfolio turnover (%) |
|
|
55% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014632 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Core Equity Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRGIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Core Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$33 |
|
0.65% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 33
|
|
| Expense Ratio, Percent |
0.65%
|
[55] |
| Net Assets |
$ 7,062,402,674
|
|
| Holdings Count | Holding |
64
|
|
| Investment Company Portfolio Turnover |
55.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$7,062,402,674 |
|
|
|
| Total number of portfolio holdings |
|
|
64 |
|
|
|
| Portfolio turnover (%) |
|
|
55% |
|
|
|
| Holdings [Text Block] |
|
|
| C000079554 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Core Equity Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TRPGX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Core Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$28 |
|
0.55% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 28
|
|
| Expense Ratio, Percent |
0.55%
|
[56] |
| Net Assets |
$ 7,062,402,674
|
|
| Holdings Count | Holding |
64
|
|
| Investment Company Portfolio Turnover |
55.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$7,062,402,674 |
|
|
|
| Total number of portfolio holdings |
|
|
64 |
|
|
|
| Portfolio turnover (%) |
|
|
55% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162547 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Core Equity Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TGIHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Core Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$25 |
|
0.49% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 25
|
|
| Expense Ratio, Percent |
0.49%
|
[57] |
| Net Assets |
$ 7,062,402,674
|
|
| Holdings Count | Holding |
64
|
|
| Investment Company Portfolio Turnover |
55.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$7,062,402,674 |
|
|
|
| Total number of portfolio holdings |
|
|
64 |
|
|
|
| Portfolio turnover (%) |
|
|
55% |
|
|
|
| Holdings [Text Block] |
|
|
| C000033989 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Core Equity Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TIIRX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Core Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$35 |
|
0.68% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 35
|
|
| Expense Ratio, Percent |
0.68%
|
[58] |
| Net Assets |
$ 7,062,402,674
|
|
| Holdings Count | Holding |
64
|
|
| Investment Company Portfolio Turnover |
55.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$7,062,402,674 |
|
|
|
| Total number of portfolio holdings |
|
|
64 |
|
|
|
| Portfolio turnover (%) |
|
|
55% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014653 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Mid Cap Growth Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRGMX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Quant Mid Cap Growth Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$37 |
|
0.76% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 37
|
|
| Expense Ratio, Percent |
0.76%
|
[59] |
| Net Assets |
$ 682,994,429
|
|
| Holdings Count | Holding |
89
|
|
| Investment Company Portfolio Turnover |
51.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$682,994,429 |
|
|
|
| Total number of portfolio holdings |
|
|
89 |
|
|
|
| Portfolio turnover (%) |
|
|
51% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014651 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Mid Cap Growth Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TRPWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Quant Mid Cap Growth Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$25 |
|
0.51% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 25
|
|
| Expense Ratio, Percent |
0.51%
|
[60] |
| Net Assets |
$ 682,994,429
|
|
| Holdings Count | Holding |
89
|
|
| Investment Company Portfolio Turnover |
51.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$682,994,429 |
|
|
|
| Total number of portfolio holdings |
|
|
89 |
|
|
|
| Portfolio turnover (%) |
|
|
51% |
|
|
|
| Holdings [Text Block] |
|
|
| C000079568 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Mid Cap Growth Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TRGPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Quant Mid Cap Growth Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$32 |
|
0.66% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 32
|
|
| Expense Ratio, Percent |
0.66%
|
[61] |
| Net Assets |
$ 682,994,429
|
|
| Holdings Count | Holding |
89
|
|
| Investment Company Portfolio Turnover |
51.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$682,994,429 |
|
|
|
| Total number of portfolio holdings |
|
|
89 |
|
|
|
| Portfolio turnover (%) |
|
|
51% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162561 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Mid Cap Growth Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TCMHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Quant Mid Cap Growth Fund for the period of November 1, 2025 to April 30, 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 |
|
$29 |
|
0.60% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 29
|
|
| Expense Ratio, Percent |
0.60%
|
[62] |
| Net Assets |
$ 682,994,429
|
|
| Holdings Count | Holding |
89
|
|
| Investment Company Portfolio Turnover |
51.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$682,994,429 |
|
|
|
| Total number of portfolio holdings |
|
|
89 |
|
|
|
| Portfolio turnover (%) |
|
|
51% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014652 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Mid Cap Growth Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TCMGX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Quant Mid Cap Growth Fund for the period of November 1, 2025 to April 30, 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 |
|
$41 |
|
0.83% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 41
|
|
| Expense Ratio, Percent |
0.83%
|
[63] |
| Net Assets |
$ 682,994,429
|
|
| Holdings Count | Holding |
89
|
|
| Investment Company Portfolio Turnover |
51.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$682,994,429 |
|
|
|
| Total number of portfolio holdings |
|
|
89 |
|
|
|
| Portfolio turnover (%) |
|
|
51% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014656 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Mid Cap Value Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRVRX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Mid Cap Value Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$38 |
|
0.71% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 38
|
|
| Expense Ratio, Percent |
0.71%
|
[64] |
| Net Assets |
$ 1,667,591,025
|
|
| Holdings Count | Holding |
71
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,667,591,025 |
|
|
|
| Total number of portfolio holdings |
|
|
71 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014654 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Mid Cap Value Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TIMVX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Mid Cap Value Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$25 |
|
0.46% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 25
|
|
| Expense Ratio, Percent |
0.46%
|
[65] |
| Net Assets |
$ 1,667,591,025
|
|
| Holdings Count | Holding |
71
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,667,591,025 |
|
|
|
| Total number of portfolio holdings |
|
|
71 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014655 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Mid Cap Value Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TCMVX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Mid Cap Value Fund for the period of November 1, 2025 to April 30, 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 |
|
$42 |
|
0.78% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 42
|
|
| Expense Ratio, Percent |
0.78%
|
[66] |
| Net Assets |
$ 1,667,591,025
|
|
| Holdings Count | Holding |
71
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,667,591,025 |
|
|
|
| Total number of portfolio holdings |
|
|
71 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162562 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Mid Cap Value Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TRVHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Mid Cap Value Fund for the period of November 1, 2025 to April 30, 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 |
|
$30 |
|
0.56% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 30
|
|
| Expense Ratio, Percent |
0.56%
|
[67] |
| Net Assets |
$ 1,667,591,025
|
|
| Holdings Count | Holding |
71
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,667,591,025 |
|
|
|
| Total number of portfolio holdings |
|
|
71 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000079569 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Mid Cap Value Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TRVPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Mid Cap Value Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$33 |
|
0.61% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 33
|
|
| Expense Ratio, Percent |
0.61%
|
[68] |
| Net Assets |
$ 1,667,591,025
|
|
| Holdings Count | Holding |
71
|
|
| Investment Company Portfolio Turnover |
5.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$1,667,591,025 |
|
|
|
| Total number of portfolio holdings |
|
|
71 |
|
|
|
| Portfolio turnover (%) |
|
|
5% |
|
|
|
| Holdings [Text Block] |
|
|
| C000202752 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small Cap Equity Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TSCWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen Quant Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[69] |
| Net Assets |
$ 3,888,444,592
|
|
| Holdings Count | Holding |
383
|
|
| Investment Company Portfolio Turnover |
31.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$3,888,444,592 |
|
|
|
| Total number of portfolio holdings |
|
|
383 |
|
|
|
| Portfolio turnover (%) |
|
|
31% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014659 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small Cap Equity Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRSEX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Quant Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$35 |
|
0.65% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 35
|
|
| Expense Ratio, Percent |
0.65%
|
[70] |
| Net Assets |
$ 3,888,444,592
|
|
| Holdings Count | Holding |
383
|
|
| Investment Company Portfolio Turnover |
31.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$3,888,444,592 |
|
|
|
| Total number of portfolio holdings |
|
|
383 |
|
|
|
| Portfolio turnover (%) |
|
|
31% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014657 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small Cap Equity Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TISEX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Quant Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$22 |
|
0.40% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 22
|
|
| Expense Ratio, Percent |
0.40%
|
[71] |
| Net Assets |
$ 3,888,444,592
|
|
| Holdings Count | Holding |
383
|
|
| Investment Company Portfolio Turnover |
31.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$3,888,444,592 |
|
|
|
| Total number of portfolio holdings |
|
|
383 |
|
|
|
| Portfolio turnover (%) |
|
|
31% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014658 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small Cap Equity Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TCSEX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Quant Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$40 |
|
0.73% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 40
|
|
| Expense Ratio, Percent |
0.73%
|
[72] |
| Net Assets |
$ 3,888,444,592
|
|
| Holdings Count | Holding |
383
|
|
| Investment Company Portfolio Turnover |
31.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$3,888,444,592 |
|
|
|
| Total number of portfolio holdings |
|
|
383 |
|
|
|
| Portfolio turnover (%) |
|
|
31% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162563 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small Cap Equity Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TSCHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Quant Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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 |
|
$24 |
|
0.45% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 24
|
|
| Expense Ratio, Percent |
0.45%
|
[73] |
| Net Assets |
$ 3,888,444,592
|
|
| Holdings Count | Holding |
383
|
|
| Investment Company Portfolio Turnover |
31.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$3,888,444,592 |
|
|
|
| Total number of portfolio holdings |
|
|
383 |
|
|
|
| Portfolio turnover (%) |
|
|
31% |
|
|
|
| Holdings [Text Block] |
|
|
| C000079570 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Quant Small Cap Equity Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TSRPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Quant Small Cap Equity Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$30 |
|
0.55% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 30
|
|
| Expense Ratio, Percent |
0.55%
|
[74] |
| Net Assets |
$ 3,888,444,592
|
|
| Holdings Count | Holding |
383
|
|
| Investment Company Portfolio Turnover |
31.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$3,888,444,592 |
|
|
|
| Total number of portfolio holdings |
|
|
383 |
|
|
|
| Portfolio turnover (%) |
|
|
31% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162564 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Growth Index Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TRIHX
|
|
| 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 Growth Index Fund for the period of November 1, 2025 to April 30, 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 |
|
$6 |
|
0.12% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 6
|
|
| Expense Ratio, Percent |
0.12%
|
[75] |
| Net Assets |
$ 18,728,834,260
|
|
| Holdings Count | Holding |
385
|
|
| Investment Company Portfolio Turnover |
10.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
18,728,834,260 |
|
|
|
| Total number of portfolio holdings |
|
|
385 |
|
|
|
| Portfolio turnover (%) |
|
|
10% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014660 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Growth Index Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TILIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Large Cap Growth Index Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$2 |
|
0.05% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 2
|
|
| Expense Ratio, Percent |
0.05%
|
[76] |
| Net Assets |
$ 18,728,834,260
|
|
| Holdings Count | Holding |
385
|
|
| Investment Company Portfolio Turnover |
10.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
18,728,834,260 |
|
|
|
| Total number of portfolio holdings |
|
|
385 |
|
|
|
| Portfolio turnover (%) |
|
|
10% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014661 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Growth Index Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRIRX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Large Cap Growth Index Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$15 |
|
0.30% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 15
|
|
| Expense Ratio, Percent |
0.30%
|
[77] |
| Net Assets |
$ 18,728,834,260
|
|
| Holdings Count | Holding |
385
|
|
| Investment Company Portfolio Turnover |
10.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
18,728,834,260 |
|
|
|
| Total number of portfolio holdings |
|
|
385 |
|
|
|
| Portfolio turnover (%) |
|
|
10% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162565 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Value Index Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
THCVX
|
|
| 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 Index Fund for the period of November 1, 2025 to April 30, 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 |
|
$7 |
|
0.14% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 7
|
|
| Expense Ratio, Percent |
0.14%
|
[78] |
| Net Assets |
$ 12,690,928,324
|
|
| Holdings Count | Holding |
868
|
|
| Investment Company Portfolio Turnover |
6.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
12,690,928,324 |
|
|
|
| Total number of portfolio holdings |
|
|
868 |
|
|
|
| Portfolio turnover (%) |
|
|
6% |
|
|
|
| Holdings [Text Block] |
|
|
| C000033280 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Growth Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TIRTX
|
|
| 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 Growth Fund for the period of November 1, 2025 to April 30, 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 |
|
$34 |
|
0.69% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 34
|
|
| Expense Ratio, Percent |
0.69%
|
[79] |
| Net Assets |
$ 6,337,406,139
|
|
| Holdings Count | Holding |
46
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,337,406,139 |
|
|
|
| Total number of portfolio holdings |
|
|
46 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162568 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Growth Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TILHX
|
|
| 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 Growth Fund for the period of November 1, 2025 to April 30, 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 |
|
$21 |
|
0.43% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 21
|
|
| Expense Ratio, Percent |
0.43%
|
[80] |
| Net Assets |
$ 6,337,406,139
|
|
| Holdings Count | Holding |
46
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,337,406,139 |
|
|
|
| Total number of portfolio holdings |
|
|
46 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000079573 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Growth Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TILPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Large Cap Growth Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$27 |
|
0.55% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 27
|
|
| Expense Ratio, Percent |
0.55%
|
[81] |
| Net Assets |
$ 6,337,406,139
|
|
| Holdings Count | Holding |
46
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,337,406,139 |
|
|
|
| Total number of portfolio holdings |
|
|
46 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014663 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Value Index Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRCVX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Large Cap Value Index Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$16 |
|
0.30% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 16
|
|
| Expense Ratio, Percent |
0.30%
|
[82] |
| Net Assets |
$ 12,690,928,324
|
|
| Holdings Count | Holding |
868
|
|
| Investment Company Portfolio Turnover |
6.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
12,690,928,324 |
|
|
|
| Total number of portfolio holdings |
|
|
868 |
|
|
|
| Portfolio turnover (%) |
|
|
6% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014662 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Value Index Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TILVX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Large Cap Value Index Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$3 |
|
0.05% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 3
|
|
| Expense Ratio, Percent |
0.05%
|
[83] |
| Net Assets |
$ 12,690,928,324
|
|
| Holdings Count | Holding |
868
|
|
| Investment Company Portfolio Turnover |
6.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
12,690,928,324 |
|
|
|
| Total number of portfolio holdings |
|
|
868 |
|
|
|
| Portfolio turnover (%) |
|
|
6% |
|
|
|
| Holdings [Text Block] |
|
|
| C000033282 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Growth Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TILGX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Large Cap Growth Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$20 |
|
0.40% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 20
|
|
| Expense Ratio, Percent |
0.40%
|
[84] |
| Net Assets |
$ 6,337,406,139
|
|
| Holdings Count | Holding |
46
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,337,406,139 |
|
|
|
| Total number of portfolio holdings |
|
|
46 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000033281 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Growth Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TILRX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Large Cap Growth Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$32 |
|
0.65% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 32
|
|
| Expense Ratio, Percent |
0.65%
|
[85] |
| Net Assets |
$ 6,337,406,139
|
|
| Holdings Count | Holding |
46
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,337,406,139 |
|
|
|
| Total number of portfolio holdings |
|
|
46 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000202757 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Large Cap Growth Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TILWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen Large Cap Growth Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[86] |
| Net Assets |
$ 6,337,406,139
|
|
| Holdings Count | Holding |
46
|
|
| Investment Company Portfolio Turnover |
53.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
|
$6,337,406,139 |
|
|
|
| Total number of portfolio holdings |
|
|
46 |
|
|
|
| Portfolio turnover (%) |
|
|
53% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014625 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Small Cap Blend Index Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRBIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Small Cap Blend Index Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$16 |
|
0.30% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 16
|
|
| Expense Ratio, Percent |
0.30%
|
[87] |
| Net Assets |
$ 3,951,834,895
|
|
| Holdings Count | Holding |
1,928
|
|
| Investment Company Portfolio Turnover |
4.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
3,951,834,895 |
|
|
|
| Total number of portfolio holdings |
|
|
1,928 |
|
|
|
| Portfolio turnover (%) |
|
|
4% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162545 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Index Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TCIHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen International Equity Index Fund for the period of November 1, 2025 to April 30, 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 |
|
$9 |
|
0.18% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 9
|
|
| Expense Ratio, Percent |
0.18%
|
[88] |
| Net Assets |
$ 34,493,978,004
|
|
| Holdings Count | Holding |
733
|
|
| Investment Company Portfolio Turnover |
3.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
34,493,978,004 |
|
|
|
| Total number of portfolio holdings |
|
|
733 |
|
|
|
| Portfolio turnover (%) |
|
|
3% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162544 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Small Cap Blend Index Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TRHBX
|
|
| 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 Blend Index Fund for the period of November 1, 2025 to April 30, 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 |
|
$10 |
|
0.19% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 10
|
|
| Expense Ratio, Percent |
0.19%
|
[89] |
| Net Assets |
$ 3,951,834,895
|
|
| Holdings Count | Holding |
1,928
|
|
| Investment Company Portfolio Turnover |
4.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
3,951,834,895 |
|
|
|
| Total number of portfolio holdings |
|
|
1,928 |
|
|
|
| Portfolio turnover (%) |
|
|
4% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014624 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Small Cap Blend Index Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TISBX
|
|
| 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 Blend Index Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$3 |
|
0.05% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 3
|
|
| Expense Ratio, Percent |
0.05%
|
[90] |
| Net Assets |
$ 3,951,834,895
|
|
| Holdings Count | Holding |
1,928
|
|
| Investment Company Portfolio Turnover |
4.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
3,951,834,895 |
|
|
|
| Total number of portfolio holdings |
|
|
1,928 |
|
|
|
| Portfolio turnover (%) |
|
|
4% |
|
|
|
| Holdings [Text Block] |
|
|
| C000202745 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Index Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TCIWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen International Equity Index Fund for the period of November 1, 2025 to April 30, 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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[91] |
| Net Assets |
$ 34,493,978,004
|
|
| Holdings Count | Holding |
733
|
|
| Investment Company Portfolio Turnover |
3.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
34,493,978,004 |
|
|
|
| Total number of portfolio holdings |
|
|
733 |
|
|
|
| Portfolio turnover (%) |
|
|
3% |
|
|
|
| Holdings [Text Block] |
|
|
| C000079552 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Index Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TRIPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen International Equity Index Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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* |
| |
|
|
| Premier Class Shares |
|
$11 |
|
0.20% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 11
|
|
| Expense Ratio, Percent |
0.20%
|
[92] |
| Net Assets |
$ 34,493,978,004
|
|
| Holdings Count | Holding |
733
|
|
| Investment Company Portfolio Turnover |
3.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
34,493,978,004 |
|
|
|
| Total number of portfolio holdings |
|
|
733 |
|
|
|
| Portfolio turnover (%) |
|
|
3% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014626 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Index Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TCIEX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen International Equity Index Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$3 |
|
0.05% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 3
|
|
| Expense Ratio, Percent |
0.05%
|
[93] |
| Net Assets |
$ 34,493,978,004
|
|
| Holdings Count | Holding |
733
|
|
| Investment Company Portfolio Turnover |
3.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
34,493,978,004 |
|
|
|
| Total number of portfolio holdings |
|
|
733 |
|
|
|
| Portfolio turnover (%) |
|
|
3% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014627 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen International Equity Index Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRIEX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen International Equity Index Fund for the period of November 1, 2025 to April 30, 2026.
|
|
| Shareholder Report Annual or Semi-Annual |
semi-annual shareholder report
|
|
| Additional Information [Text Block] |
You can find additional information athttps://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* |
| |
|
|
| Retirement Class Shares |
|
$16 |
|
0.30% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 16
|
|
| Expense Ratio, Percent |
0.30%
|
[94] |
| Net Assets |
$ 34,493,978,004
|
|
| Holdings Count | Holding |
733
|
|
| Investment Company Portfolio Turnover |
3.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
34,493,978,004 |
|
|
|
| Total number of portfolio holdings |
|
|
733 |
|
|
|
| Portfolio turnover (%) |
|
|
3% |
|
|
|
| Holdings [Text Block] |
|
|
| C000202742 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Equity Index Fund
|
|
| Class Name |
Class W Shares
|
|
| Trading Symbol |
TEQWX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class W Shares of the Nuveen Equity Index Fund for the period of November 1, 2025 to April 30, 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 W Shares |
|
$0 |
|
0.00% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 0
|
|
| Expense Ratio, Percent |
0.00%
|
[95] |
| Net Assets |
$ 58,396,751,245
|
|
| Holdings Count | Holding |
2,612
|
|
| Investment Company Portfolio Turnover |
14.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
58,396,751,245 |
|
|
|
| Total number of portfolio holdings |
|
|
2,612 |
|
|
|
| Portfolio turnover (%) |
|
|
14% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162543 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen S&P 500 Index Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TISAX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen S&P 500 Index Fund for the period of November 1, 2025 to April 30, 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 |
|
$10 |
|
0.19% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 10
|
|
| Expense Ratio, Percent |
0.19%
|
[96] |
| Net Assets |
$ 13,657,540,938
|
|
| Holdings Count | Holding |
513
|
|
| Investment Company Portfolio Turnover |
0.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
13,657,540,938 |
|
|
|
| Total number of portfolio holdings |
|
|
513 |
|
|
|
| Portfolio turnover (%) |
|
|
0% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014612 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen S&P 500 Index Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TISPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen S&P 500 Index Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$2 |
|
0.04% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 2
|
|
| Expense Ratio, Percent |
0.04%
|
[97] |
| Net Assets |
$ 13,657,540,938
|
|
| Holdings Count | Holding |
513
|
|
| Investment Company Portfolio Turnover |
0.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
13,657,540,938 |
|
|
|
| Total number of portfolio holdings |
|
|
513 |
|
|
|
| Portfolio turnover (%) |
|
|
0% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014613 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen S&P 500 Index Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TRSPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen S&P 500 Index Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$15 |
|
0.29% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 15
|
|
| Expense Ratio, Percent |
0.29%
|
[98] |
| Net Assets |
$ 13,657,540,938
|
|
| Holdings Count | Holding |
513
|
|
| Investment Company Portfolio Turnover |
0.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
13,657,540,938 |
|
|
|
| Total number of portfolio holdings |
|
|
513 |
|
|
|
| Portfolio turnover (%) |
|
|
0% |
|
|
|
| Holdings [Text Block] |
|
|
| C000033988 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Equity Index Fund
|
|
| Class Name |
Class A Shares
|
|
| Trading Symbol |
TINRX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class A Shares of the Nuveen Equity Index Fund for the period of November 1, 2025 to April 30, 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 |
|
$16 |
|
0.32% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 16
|
|
| Expense Ratio, Percent |
0.32%
|
[99] |
| Net Assets |
$ 58,396,751,245
|
|
| Holdings Count | Holding |
2,612
|
|
| Investment Company Portfolio Turnover |
14.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
58,396,751,245 |
|
|
|
| Total number of portfolio holdings |
|
|
2,612 |
|
|
|
| Portfolio turnover (%) |
|
|
14% |
|
|
|
| Holdings [Text Block] |
|
|
| C000162542 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Equity Index Fund
|
|
| Class Name |
Class I Shares
|
|
| Trading Symbol |
TEIHX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class I Shares of the Nuveen Equity Index Fund for the period of November 1, 2025 to April 30, 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 |
|
$6 |
|
0.11% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 6
|
|
| Expense Ratio, Percent |
0.11%
|
[100] |
| Net Assets |
$ 58,396,751,245
|
|
| Holdings Count | Holding |
2,612
|
|
| Investment Company Portfolio Turnover |
14.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
58,396,751,245 |
|
|
|
| Total number of portfolio holdings |
|
|
2,612 |
|
|
|
| Portfolio turnover (%) |
|
|
14% |
|
|
|
| Holdings [Text Block] |
|
|
| C000079551 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Equity Index Fund
|
|
| Class Name |
Premier Class Shares
|
|
| Trading Symbol |
TCEPX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Premier Class Shares of the Nuveen Equity Index Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Premier Class Shares |
|
$10 |
|
0.19% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 10
|
|
| Expense Ratio, Percent |
0.19%
|
[101] |
| Net Assets |
$ 58,396,751,245
|
|
| Holdings Count | Holding |
2,612
|
|
| Investment Company Portfolio Turnover |
14.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
58,396,751,245 |
|
|
|
| Total number of portfolio holdings |
|
|
2,612 |
|
|
|
| Portfolio turnover (%) |
|
|
14% |
|
|
|
| Holdings [Text Block] |
|
|
| C000014611 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Equity Index Fund
|
|
| Class Name |
Class R6 Shares
|
|
| Trading Symbol |
TIEIX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Class R6 Shares of the Nuveen Equity Index Fund for the period of November 1, 2025 to April 30, 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 R6 Shares |
|
$2 |
|
0.04% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 2
|
|
| Expense Ratio, Percent |
0.04%
|
[102] |
| Net Assets |
$ 58,396,751,245
|
|
| Holdings Count | Holding |
2,612
|
|
| Investment Company Portfolio Turnover |
14.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
58,396,751,245 |
|
|
|
| Total number of portfolio holdings |
|
|
2,612 |
|
|
|
| Portfolio turnover (%) |
|
|
14% |
|
|
|
| Holdings [Text Block] |
|
|
| C000033987 [Member] |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Nuveen Equity Index Fund
|
|
| Class Name |
Retirement Class Shares
|
|
| Trading Symbol |
TIQRX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about the Retirement Class Shares of the Nuveen Equity Index Fund for the period of November 1, 2025 to April 30, 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* |
| |
|
|
| Retirement Class Shares |
|
$15 |
|
0.29% | * Annualized for period less than one year.
|
|
| Expenses Paid, Amount |
$ 15
|
|
| Expense Ratio, Percent |
0.29%
|
[103] |
| Net Assets |
$ 58,396,751,245
|
|
| Holdings Count | Holding |
2,612
|
|
| Investment Company Portfolio Turnover |
14.00%
|
|
| Additional Fund Statistics [Text Block] |
Fund Statistics (as of April 30, 2026)
|
|
|
|
|
|
|
| Fund net assets |
|
$ |
58,396,751,245 |
|
|
|
| Total number of portfolio holdings |
|
|
2,612 |
|
|
|
| Portfolio turnover (%) |
|
|
14% |
|
|
|
| Holdings [Text Block] |
|
|
|
|
