Restructuring and other costs - Additional Information (Details) - Global Restructuring Plan $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs incurred	$ 41	$ 161
Expected total restructuring costs	200	$ 200
Severance and other employee costs
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs incurred	11
Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring and other costs incurred	$ 30