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Deferred Contract Costs - Schedule of Deferred Contract Costs (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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Capitalized Contract Cost |  |
Total Deferred contract costs, net | $ 1,321 | $ 1,241
Contract origination costs |  |
Capitalized Contract Cost |  |
Total Deferred contract costs, net | 797 | 754
Contract fulfillment costs on implementations in progress |  |
Capitalized Contract Cost |  |
Total Deferred contract costs, net | 225 | 229
Contract fulfillment costs on completed implementations |  |
Capitalized Contract Cost |  |
Total Deferred contract costs, net | $ 299 | $ 258

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