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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

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