Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: 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

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-Publisher FASB
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Fixed interest rate related to the interest rate derivative.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Derivative instruments - Notional Amounts & Interest Rates of Cross-currency Swaps (Details) € in Millions, £ in Millions, $ in Millions	Sep. 30, 2023 USD ($)	Sep. 30, 2023 EUR (€)	Sep. 30, 2023 GBP (£)
2.00% 2026 euro Notes \| Notes
Derivative [Line Items]
Interest rate, stated percentage	2.00%	2.00%	2.00%
5.50% 2026 pound sterling Notes \| Notes
Derivative [Line Items]
Interest rate, stated percentage	5.50%	5.50%	5.50%
4.00% 2029 pound sterling Notes \| Notes
Derivative [Line Items]
Interest rate, stated percentage	4.00%	4.00%	4.00%
0.41% CHF700 million bonds due 2023 (0.41% 2023 Swiss franc Bonds) \| Notes
Derivative [Line Items]
Interest rate, stated percentage	0.41%	0.41%	0.41%
Cash flow hedge \| Cross-currency swap contracts \| 2.00% 2026 euro Notes
Derivative [Line Items]
Notional amounts	$ 833	€ 750
Cash flow hedge \| Cross-currency swap contracts \| 5.50% 2026 pound sterling Notes
Derivative [Line Items]
Notional amounts	747		£ 475
Cash flow hedge \| Cross-currency swap contracts \| 4.00% 2029 pound sterling Notes
Derivative [Line Items]
Notional amounts	1,111		£ 700
Cash flow hedge \| Cross-currency swap contracts \| 0.41% CHF700 million bonds due 2023 (0.41% 2023 Swiss franc Bonds)
Derivative [Line Items]
Notional amounts	$ 704
Cash flow hedge \| Cross-currency swap contracts \| Euro Member Countries, Euro \| 2.00% 2026 euro Notes
Derivative [Line Items]
Interest rates	2.00%	2.00%	2.00%
Cash flow hedge \| Cross-currency swap contracts \| United Kingdom, Pounds \| 5.50% 2026 pound sterling Notes
Derivative [Line Items]
Interest rates	5.50%	5.50%	5.50%
Cash flow hedge \| Cross-currency swap contracts \| United Kingdom, Pounds \| 4.00% 2029 pound sterling Notes
Derivative [Line Items]
Interest rates	4.00%	4.00%	4.00%
Cash flow hedge \| Cross-currency swap contracts \| United States of America, Dollars \| 2.00% 2026 euro Notes
Derivative [Line Items]
Interest rates	3.90%	3.90%	3.90%
Cash flow hedge \| Cross-currency swap contracts \| United States of America, Dollars \| 5.50% 2026 pound sterling Notes
Derivative [Line Items]
Interest rates	6.00%	6.00%	6.00%
Cash flow hedge \| Cross-currency swap contracts \| United States of America, Dollars \| 4.00% 2029 pound sterling Notes
Derivative [Line Items]
Interest rates	4.60%	4.60%	4.60%