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Nasdaq Stockholders' Equity (Narrative) (Details) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 shares | Dec. 31, 2022 USD ($) vote $ / shares shares | Dec. 31, 2021 vote $ / shares shares | Dec. 31, 2020 $ / shares | Jan. 31, 2022 USD ($)
Stockholders Equity [Line Items] |  |  |  |  |
Common stock, shares authorized (in shares) |  | 900,000,000 | 900,000,000 |  |
Common stock, shares issued (in shares) |  | 513,157,630 | 520,256,817 |  |
Common stock, shares outstanding (in shares) |  | 491,592,491 | 500,038,905 |  |
Common stock (in votes per share) | vote |  | 1 | 1 |  |
Common stock holder voting rights, maximum percentage of the then-outstanding shares of Nasdaq common stock |  | 5.00% | 5.00% |  |
Common stock in treasury (in shares) |  | 21,565,139 | 20,217,912 |  |
Authorized amount under share repurchase program | $ |  | $ 650 |  |  |
Preferred stock, shares authorized (in shares) |  | 30,000,000 | 30,000,000 |  |
Preferred stock par value (in dollars per share) | $ / shares |  | $ 0.01 | $ 0.01 |  |
Preferred stock, shares issued (in shares) |  | 0 | 0 |  |
Preferred stock, shares outstanding (in shares) |  | 0 | 0 |  |
Payments of dividends | $ |  | $ 383 |  |  |
Cash dividends declared per common share (in dollars per share) | $ / shares |  | $ 0.78 | $ 0.70 | $ 0.65 |
Dividends declared | $ |  | $ 383 |  |  |
Common stock | ASR agreement |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |
Authorized amount under share repurchase program | $ |  |  |  |  | $ 325
Share repurchase program (in shares) | 5,629,161 |  |  |  |

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