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Derivative and hedging activities - Outstanding Interest Rate Derivatives (Details)	Mar. 31, 2023 USD ($) instrument
Cash Flow Hedging | Interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of instruments | instrument	1
Notional	$ 750,000,000.0
Net Investment Hedging | Cross-currency swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of instruments | instrument	1,000,000
Notional sold	$ 732,100,000
Notional	$ 750,000,000.0

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