Subsequent events (Details) - US capital markets - Subsequent event $ in Millions	1 Months Ended
	Jan. 31, 2025 USD ($) Tranche
Subsequent Event [Line Items]
Debt raised, number of tranches | Tranche	3
Senior notes | Tranche one
Subsequent Event [Line Items]
Debt instrument, face amount	$ 1,250
Debt instrument, stated percentage	5.125%
Senior notes | Tranche two
Subsequent Event [Line Items]
Debt instrument, face amount	$ 1,250
Debt instrument, stated percentage	5.50%
Senior notes | Tranche three
Subsequent Event [Line Items]
Debt instrument, face amount	$ 500
Debt instrument, stated percentage	5.875%