Restructuring and other (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring and other	$ 42	$ 30	$ 78	$ 51
Employee severance and related
Restructuring Cost and Reserve [Line Items]
Restructuring and other	1	0	2	1
Strategic review and related
Restructuring Cost and Reserve [Line Items]
Restructuring and other	22	16	52	26
Contingent acquisition consideration
Restructuring Cost and Reserve [Line Items]
Restructuring and other	12	0	12	0
Restructuring, integration and other
Restructuring Cost and Reserve [Line Items]
Restructuring and other	$ 7	$ 14	$ 12	$ 24