XML 46 R36.htm IDEA: XBRL DOCUMENT
v3.22.1

Regulatory Requirements (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Regulatory Requirements [Abstract] |
Summary Of Capital, Capital Requirements And Excess Capital |
|  | Net Capital/ |  |  |  |  |  |
|  | Eligible Equity |  | Requirement |  | Excess
|  | (in millions)
IB LLC |  | $ | 5,663 |  | $ | 886 |  | $ | 4,777
IBKRFS |  |  | 580 |  |  | 12 |  |  | 568
IBHK |  |  | 888 |  |  | 234 |  |  | 654
Other regulated operating subsidiaries |  |  | 1,712 |  |  | 293 |  |  | 1,419
|  | $ | 8,843 |  | $ | 1,425 |  | $ | 7,418

X
- Definition Summary Of Capital, Capital Requirements And Excess Capital + References No definition available. + Details
Name: | ibkr_RegulationAndCapitalAdequacyTableTextBlock
Namespace Prefix: | ibkr_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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