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Nasdaq Stockholders' Equity (Common Stock in Treasury) (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
$ / shares
shares
Other repurchases of common stock  
Dividends Payable [Line Items]  
Number of shares of common stock repurchased (in shares) 1,347,227
Share repurchase program  
Dividends Payable [Line Items]  
Share repurchase program (in shares) 5,465,595
Average price paid per share (in dollars per share) | $ / shares $ 56.26
Total purchase price (in millions) | $ $ 308