Fixed interest rate related to the interest rate derivative.

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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

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

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
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

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Derivative instruments - Notional Amounts & Interest Rates of Cross-currency Swaps (Details) - Cash flow hedge - Cross-currency swap contracts € in Millions, £ in Millions, $ in Millions	Jun. 30, 2023 USD ($)	Jun. 30, 2023 EUR (€)	Jun. 30, 2023 GBP (£)
2.00% 2026 euro Notes
Derivative [Line Items]
Notional amounts	$ 833	€ 750
5.50% 2026 pound sterling Notes
Derivative [Line Items]
Notional amounts	747		£ 475
4.00% 2029 pound sterling Notes
Derivative [Line Items]
Notional amounts	$ 1,111		£ 700
Euro Member Countries, Euro \| 2.00% 2026 euro Notes
Derivative [Line Items]
Interest rates	2.00%	2.00%	2.00%
United Kingdom, Pounds \| 5.50% 2026 pound sterling Notes
Derivative [Line Items]
Interest rates	5.50%	5.50%	5.50%
United Kingdom, Pounds \| 4.00% 2029 pound sterling Notes
Derivative [Line Items]
Interest rates	4.00%	4.00%	4.00%
United States of America, Dollars \| 2.00% 2026 euro Notes
Derivative [Line Items]
Interest rates	3.90%	3.90%	3.90%
United States of America, Dollars \| 5.50% 2026 pound sterling Notes
Derivative [Line Items]
Interest rates	6.00%	6.00%	6.00%
United States of America, Dollars \| 4.00% 2029 pound sterling Notes
Derivative [Line Items]
Interest rates	4.60%	4.60%	4.60%