| **Stockholders' Deficit** | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
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| **Equity [Abstract]**     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Stockholders' Deficit     | Stockholders' DeficitOctober 2012 Issuance of Common Stock In October 2012, the Company completed a public offering of 10,666,666 shares of NIC common stock at a price of $18.75 per share and received proceeds, net of underwriting discounts, commissions, and offering expenses, of $192 million. In connection with the public offering, in November 2012, the underwriters elected to exercise a portion of an over-allotment option and purchased an additional 763,534 shares of NIC common stock at a price of $18.75 per share. The Company received proceeds from the exercise of the over-allotment, net of underwriting discounts and commissions, of $14 million in the three months ended January 31, 2013.Accumulated Other Comprehensive Loss The following table displays the changes in Accumulated other comprehensive loss, net of tax, by component from October 31, 2013 to January 31, 2014:(in millions)Foreign Currency Translation Adjustments Defined Benefit Plan TotalBalance as of October 31, 2013$(75) $(1,749) $(1,824)Other comprehensive loss before reclassifications(62) (1) (63)Amounts reclassified out of accumulated other comprehensive loss— 26 26Net current-period other comprehensive income (loss)(62) 25 (37)Balance as of January 31, 2014$(137) $(1,724) $(1,861)The following table displays the amounts reclassified from Accumulated other comprehensive loss and the affected line item in the Consolidated Statements of Operations:  Location in Consolidated Statements of Operations Three months ended January 31, 2014Defined benefit plans    Amortization of prior service costs Selling, general and administrative expenses $(1)Amortization of actuarial loss Selling, general and administrative expenses 27  Total before tax 26  Tax benefit (expense) —  Net of tax 26     Total reclassifications for the period, net of tax $26 |

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| - Definition
The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.
+ References
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