XML 29 R12.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Comprehensive Income | 12 Months Ended
--- | ---
Dec. 31, 2023
Comprehensive Income Detail [Abstract] |
Comprehensive Income | 5. Comprehensive Income The table below presents comprehensive income and earnings per share on comprehensive income for the periods indicated.
|  | Year-Ended December 31,
|  | 2023 |  | 2022 |  | 2021
|  | (in millions, except share or per share amounts)
Comprehensive income available for common stockholders |  | $ | 630 |  | $ | 354 |  | $ | 286
Earnings per share on comprehensive income |  |  |  |  |  |  |  |  |
Basic |  | $ | 6.00 |  | $ | 3.53 |  | $ | 3.04
Diluted |  | $ | 5.95 |  | $ | 3.50 |  | $ | 3.01
Weighted average common shares outstanding |  |  |  |  |  |  |  |  |
Basic |  |  | 104,965,050 |  |  | 100,460,016 |  |  | 94,167,572
Diluted |  |  | 105,846,877 |  |  | 101,299,609 |  |  | 95,009,880
‎

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

X
- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//220/tableOfContent + Details
Name: | us-gaap_ComprehensiveIncomeNoteTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration