Restructuring Programs - Narrative (Details) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) employee	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	$ 23		$ 1	$ 25	$ 19
Net current period charges	1	$ 1		2
Asset impairment charges	12		1	12	2
Related restructuring costs	10		$ (1)	$ 11	(3)
Restructuring charges	3	5
Headcount reductions, number of employees | employee				150
Reversals	2	4		$ 6
Payments for restructuring				14	21
Restructuring related reserve	11			11		$ 12
Restructuring Program
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs				25
Net current period charges				2
Asset impairment charges				12
Related restructuring costs				11
HCL/TCS
Restructuring Cost and Reserve [Line Items]
Payments for restructuring				11	$ 2
Severance and Related Costs
Restructuring Cost and Reserve [Line Items]
Net current period charges	1	1
Restructuring charges	3	5		$ 8
Reversals	2	4
Other Contractual Termination Costs
Restructuring Cost and Reserve [Line Items]
Net current period charges	0	0
Restructuring charges	0	0
Reversals	$ 0	$ 0