XML 41 R28.htm IDEA: XBRL DOCUMENT
v3.25.2

Comprehensive Income (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Comprehensive Income Detail [Abstract] |
Comprehensive Income Table |
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
|  | (in millions, except share or per share amounts)
Comprehensive income available for common stockholders |  | $ | 303 |  | $ | 177 |  | $ | 544 |  | $ | 326
Earnings per share on comprehensive income |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.69 |  | $ | 0.41 |  | $ | 1.24 |  | $ | 0.76
Diluted |  | $ | 0.69 |  | $ | 0.41 |  | $ | 1.23 |  | $ | 0.75
Weighted average common shares outstanding |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 438,457,863 |  |  | 430,876,080 |  |  | 437,083,330 |  |  | 429,579,700
Diluted |  |  | 441,439,924 |  |  | 434,507,344 |  |  | 440,459,081 |  |  | 433,552,552

X
- References No definition available. + Details
Name: | ibkr_ComprehensiveIncomeDetailAbstract
Namespace Prefix: | ibkr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 1 -Section 45 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-1 + Details
Name: | us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration