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Credit Facilities and Commercial Paper Programs - RI Credit Facilities (Details) $ in Thousands, € in Millions, £ in Millions | 1 Months Ended | 9 Months Ended |  |  |
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Apr. 30, 2025 USD ($) currency tranche extension_option | Sep. 30, 2025 USD ($) | Sep. 30, 2024 | Sep. 30, 2025 GBP (£) | Sep. 30, 2025 EUR (€) | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 GBP (£) | Dec. 31, 2024 EUR (€)
Credit facility |  |  |  |  |  |  |  |  |
Revolving credit facilities origination costs, net |  | $ 28,091 |  |  |  |  | $ 7,331 |  |
Unsecured Debt | Revolving credit facility | Multicurrency Credit Facility |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 4,000,000 |  |  |  |  | $ 4,250,000 |  |  |
Number of extensions | extension_option | 2 |  |  |  |  |  |  |  |
Term of extension option | 6 months |  |  |  |  |  |  |  |
Aggregate amount the facilities can be increased | $ 5,000,000 |  |  |  |  |  |  |  |
Commitment fee (as a percent) |  | 0.125% |  |  |  |  |  |  |
Current borrowing capacity |  | $ 2,700,000 |  |  |  |  |  |  |
Revolving credit facilities and commercial paper |  | $ 1,300,000 |  | £ 958.0 | € 31.0 |  | 1,100,000 | £ 376.0 | € 572.0
Weighted average borrowing rate during the period (as a percent) |  | 4.40% | 5.40% |  |  |  |  |  |
Weighted average interest rate at the end of the period (as a percent) |  | 4.60% |  | 4.60% | 4.60% |  |  |  |
Revolving credit facilities origination costs, net |  | $ 21,400 |  |  |  |  | $ 7,300 |  |
Unsecured Debt | Revolving credit facility | Multicurrency Credit Facility | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  | 0.725% |  |  |  |  |  |  |
Unsecured Debt | Revolving credit facility | Multicurrency Credit Facility | Sterling Overnight Indexed Average (SONIA) |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  | 0.725% |  |  |  |  |  |  |
Unsecured Debt | Revolving credit facility | Multicurrency Credit Facility Maturing April 2027 |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 2,000,000 |  |  |  |  |  |  |  |
Number of tranches | tranche | 2 |  |  |  |  |  |  |  |
Debt term | 2 years |  |  |  |  |  |  |  |
Unsecured Debt | Revolving credit facility | Multicurrency Credit Facility Maturing April 2027 | Tranche One |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 1,500,000 |  |  |  |  |  |  |  |
Number of currencies allowable per facility | currency | 4 |  |  |  |  |  |  |  |
Unsecured Debt | Revolving credit facility | Multicurrency Credit Facility Maturing April 2027 | Tranche Two |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 500,000 |  |  |  |  |  |  |  |
Number of currencies allowable per facility | currency | 15 |  |  |  |  |  |  |  |
Unsecured Debt | Revolving credit facility | Multicurrency Credit Facility Maturing April 2029 |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 2,000,000 |  |  |  |  |  |  |  |
Number of tranches | tranche | 2 |  |  |  |  |  |  |  |
Debt term | 4 years |  |  |  |  |  |  |  |
Unsecured Debt | Revolving credit facility | Multicurrency Credit Facility Maturing April 2029 | Tranche One |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 1,500,000 |  |  |  |  |  |  |  |
Number of currencies allowable per facility | currency | 4 |  |  |  |  |  |  |  |
Unsecured Debt | Revolving credit facility | Multicurrency Credit Facility Maturing April 2029 | Tranche Two |  |  |  |  |  |  |  |  |
Credit facility |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 500,000 |  |  |  |  |  |  |  |
Number of currencies allowable per facility | currency | 15 |  |  |  |  |  |  |  |

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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479359/835-30-S45-1 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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