XML 55 R38.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Leases (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Leases [Abstract] |
Supplemental Balance Sheet Information Related To Operating Leases |
|  | December 31,
|  | 2023 |  | 2022
|  | (in millions)
Right-of-use assets 1 |  | $ | 120 |  | $ | 119
Lease liabilities 1 |  | $ | 143 |  | $ | 140
___________________________ (1)Right-of-use assets are included in other assets and lease liabilities are included in accounts payable, accrued expenses and other liabilities in the Company’s consolidated statements of financial condition.
Lease Cost |
|  | Year-Ended December 31,
|  | 2023 |  | 2022 |  | 2021
|  | (in millions)
Operating lease cost |  | $ | 35 |  | $ | 32 |  | $ | 28
Variable lease cost |  |  | 6 |  |  | 4 |  |  | 5
Total lease cost |  | $ | 41 |  | $ | 36 |  | $ | 33
Undiscounted Cash Flows of Operating Lease |
|  | December 31, 2023
|  | (in millions)
2024 |  | $ | 34
2025 |  |  | 28
2026 |  |  | 23
2027 |  |  | 18
2028 |  |  | 17
Thereafter |  |  | 40
Total undiscounted operating lease payments |  |  | 160
Less: imputed interest |  |  | (17)
Present value of operating lease liabilities |  | $ | 143

X
- Definition Supplemental Balance Sheet Information Related To Leases [Table Text Block] + References No definition available. + Details
Name: | ibkr_SupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock
Namespace Prefix: | ibkr_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration