Restructuring and Other Related Charges - Schedule of Changes to Restructuring-Related Liabilities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period			$ 51
Restructuring and other related charges	$ 18	$ 59	53	$ 81
Balance at the end of the period	19		19
Americas
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period			0
Balance at the end of the period	1		1
International
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period			51
Balance at the end of the period	18		18
Personnel Related
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period			19
Balance at the end of the period	14		14
Facility Related
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period			3
Balance at the end of the period	3		3
Other
Restructuring Reserve [Roll Forward]
Balance at the beginning of the period			29
Balance at the end of the period	$ 2		2
Global Rightsizing
Restructuring Reserve [Roll Forward]
Restructuring and other related charges			45
Restructuring payment/utilization:			(77)
Global Rightsizing \| Americas
Restructuring Reserve [Roll Forward]
Restructuring and other related charges			13
Restructuring payment/utilization:			(12)
Global Rightsizing \| International
Restructuring Reserve [Roll Forward]
Restructuring and other related charges			32
Restructuring payment/utilization:			(65)
Global Rightsizing \| Personnel Related
Restructuring Reserve [Roll Forward]
Restructuring and other related charges			26
Restructuring payment/utilization:			(31)
Global Rightsizing \| Facility Related
Restructuring Reserve [Roll Forward]
Restructuring and other related charges			2
Restructuring payment/utilization:			(2)
Global Rightsizing \| Other
Restructuring Reserve [Roll Forward]
Restructuring and other related charges			17
Restructuring payment/utilization:			$ (44)