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Derivative instruments - Schedule of Interest Rate Derivatives (Details) - Notes payable - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Derivative [Line Items] |  |
Notional amounts | $ 6,650 | $ 6,650
3.625% 2024 Notes |  |
Derivative [Line Items] |  |
Interest rate, stated percentage | 3.625% |
Notional amounts | $ 0 | $ 1,400
Interest rates |  | 3.40%
3.125% 2025 Notes |  |
Derivative [Line Items] |  |
Interest rate, stated percentage | 3.125% |
Notional amounts | $ 1,000 | $ 1,000
Interest rates | 2.10% | 2.10%
2.60% 2026 Notes |  |
Derivative [Line Items] |  |
Interest rate, stated percentage | 2.60% |
Notional amounts | $ 1,250 | $ 1,250
Interest rates | 2.10% | 2.10%
2.45% 2030 Notes |  |
Derivative [Line Items] |  |
Interest rate, stated percentage | 2.45% |
Notional amounts | $ 1,000 | $ 1,000
Interest rates | 1.30% | 1.30%
2.30% 2031 Notes |  |
Derivative [Line Items] |  |
Interest rate, stated percentage | 2.30% |
Notional amounts | $ 500 | $ 500
Interest rates | 1.10% | 1.10%
5.25% 2033 Notes |  |
Derivative [Line Items] |  |
Interest rate, stated percentage | 5.25% |
Notional amounts | $ 1,400 | $ 0
Interest rates | 1.80% |
4.663% 2051 Notes |  |
Derivative [Line Items] |  |
Interest rate, stated percentage | 4.663% |
Notional amounts | $ 1,500 | $ 1,500
Interest rates | 4.30% | 4.30%

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B + Details
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- 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 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
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