XML 50 R41.htm IDEA: XBRL DOCUMENT v3.23.3

AGREEMENTS - Narrative (Details) $ in Millions			3 Months Ended		9 Months Ended		228 Months Ended
	Jun. 21, 2019	Jun. 20, 2019	Sep. 30, 2023 USD ($) qtr	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) qtr	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) qtr	Dec. 31, 2022 USD ($)
Investment Company, Financial Highlights [Line Items]
Asset coverage requirement applicable to senior securities	150.00%	200.00%	193.00%		193.00%		193.00%
Number of quarters considered in base management fee calculation | qtr			2		2		2
Capital gains incentive fees payable			$ 75		$ 75		$ 75	$ 35
Income based fees payable			83		83		83	81
Administrative and other fees			4	$ 3	10	$ 9
Accounts payable and other liabilities			132		$ 132		132	167
Investment Advisory and Management Agreement | Controlled Affiliate
Investment Company, Financial Highlights [Line Items]
Termination notice period					60 days
Asset coverage requirement applicable to senior securities	150.00%	200.00%
Capital gains incentive fees payable			75		$ 75		75
Payments of capital gains incentive fees							133
Investment Advisory and Management Agreement | Controlled Affiliate | Minimum
Investment Company, Financial Highlights [Line Items]
Base management fee rate	1.00%	1.50%
Debt to equity leverage ratio	100.00%
Investment Advisory and Management Agreement | Controlled Affiliate | Maximum
Investment Company, Financial Highlights [Line Items]
Base management fee rate	1.50%
Debt to equity leverage ratio	100.00%
Incentive Rate, Quarterly Hurdle Rate | Controlled Affiliate
Investment Company, Financial Highlights [Line Items]
Incentive fee					1.75%
Incentive Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold | Controlled Affiliate
Investment Company, Financial Highlights [Line Items]
Incentive fee					100.00%
Incentive Rate, Quarterly Catch-Up Threshold | Controlled Affiliate
Investment Company, Financial Highlights [Line Items]
Incentive fee					2.1875%
Incentive Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold | Controlled Affiliate
Investment Company, Financial Highlights [Line Items]
Incentive fee					20.00%
Incentive Rate, Realized Capital Gains | Controlled Affiliate
Investment Company, Financial Highlights [Line Items]
Incentive fee	20.00%				20.00%
Incentive Rate, Net Assets For Deferral Of Cash Payments | Controlled Affiliate
Investment Company, Financial Highlights [Line Items]
Incentive fee	7.00%
Capital Gains Incentive Fees | Controlled Affiliate
Investment Company, Financial Highlights [Line Items]
Related party transaction amounts payable			0	$ 0	$ 0	$ 0
Administration Agreement | Controlled Affiliate
Investment Company, Financial Highlights [Line Items]
Termination notice period	60 days
Accounts payable and other liabilities			$ 5		$ 5		$ 5	$ 2

X

- Definition

Income Based Fees Payable

+ References

No definition available.

+ Details

Name:	arcc_IncomeBasedFeesPayable
Namespace Prefix:	arcc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Investment Company, Agreement, Termination Notice Period

+ References

No definition available.

+ Details

Name:	arcc_InvestmentCompanyAgreementTerminationNoticePeriod
Namespace Prefix:	arcc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Investment Company, Base Management Fee Calculation, Number Of Quarters

+ References

No definition available.

+ Details

Name:	arcc_InvestmentCompanyBaseManagementFeeCalculationNumberOfQuarters
Namespace Prefix:	arcc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Investment Company, Debt To Equity, Leverage Ratio

+ References

No definition available.

+ Details

Name:	arcc_InvestmentCompanyDebtToEquityLeverageRatio
Namespace Prefix:	arcc_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Payments Of Capital Gains Incentive Fees

+ References

No definition available.

+ Details

Name:	arcc_PaymentsOfCapitalGainsIncentiveFees
Namespace Prefix:	arcc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of liabilities incurred and payable to vendors for goods and services received, and accrued liabilities classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(10)(d))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1

+ Details

Name:	us-gaap_AccountsPayableAndOtherAccruedLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of expense for administrative fee from service provided, including, but not limited to, salary, rent, or overhead cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483581/946-220-45-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483326/850-10-50-1

+ Details

Name:	us-gaap_AdministrativeFeesExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of fee payable for management of operations based on performance under arrangement, including, but not limited to, investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(12)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1

+ Details

Name:	us-gaap_IncentiveFeePayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-7

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-7

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-7

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-7

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-7

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-7

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-7

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 27
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-27

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-2

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-3

+ Details

Name:	us-gaap_InvestmentCompanyFinancialHighlightsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of total assets less all liabilities and indebtedness not represented by senior security, to senior security representing indebtedness.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Investment Company Act of 1940
-Section 61
-Paragraph a
-Subparagraph (1)
-Publisher SEC

+ Details

Name:	us-gaap_InvestmentCompanySeniorSecurityIndebtednessAssetCoverageRatio
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Base rate for management and service fees under arrangement to manage operations, including, but not limited to, investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

+ Details

Name:	us-gaap_ManagementAndServiceFeesBaseRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Rate based on performance for management and service fees under arrangement to manage operations, including, but not limited to, investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

+ Details

Name:	us-gaap_ManagementAndServiceFeesIncentiveRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483326/850-10-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483326/850-10-50-3

+ Details

Name:	us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=arcc_InvestmentAdvisoryAndManagementAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=arcc_InvestmentAdvisoryAndManagementAgreementIncentiveRateQuarterlyHurdleRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=arcc_InvestmentAdvisoryAndManagementAgreementIncentiveRatePreIncentiveFeeNetInvestmentIncomeBelowCatchUpThresholdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=arcc_InvestmentAdvisoryAndManagementAgreementIncentiveRateQuarterlyCatchUpThresholdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=arcc_InvestmentAdvisoryAndManagementAgreementIncentiveRatePreIncentiveFeeNetInvestmentIncomeExceedsCatchUpThresholdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=arcc_InvestmentAdvisoryAndManagementAgreementIncentiveRateRealizedCapitalGainsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=arcc_InvestmentAdvisoryAndManagementAgreementIncentiveRateNetAssetsForDeferralOfCashPaymentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=arcc_CapitalGainsIncentiveFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=arcc_AdministrationAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: