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Revenue from Contracts with Customers - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2025 USD ($) segment	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of lines of business \| segment		2
Receivables related to contracts with customers	$ 3,520	$ 3,520		$ 3,080
Deferred revenue	131	131	$ 163	$ 144
Amount of deferred revenue recognized	69	117
Software License Sales & SaaS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Remaining performance obligation	$ 2,110	$ 2,110
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01 \| Software License Sales & SaaS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Expected timing of satisfaction period	3 years	3 years
Expected revenue, percentage	50.00%	50.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-10-01 \| Software License Sales & SaaS
Accounts, Notes, Loans and Financing Receivable [Line Items]
Expected timing of satisfaction period