Revenues - Schedule of Significant Changes in Unbilled Revenue and Deferred Revenue (Details) $ in Millions |
9 Months Ended |
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Sep. 30, 2026
USD ($)
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| Unbilled Revenue | |
| Balance at December 31, 2025 | $ 6 |
| Amount included in opening balance transferred to other accounts during period | (6) |
| Amounts recorded during period | 75 |
| Amounts recorded during period transferred to other accounts | (66) |
| Other changes | 0 |
| Balance at September 30, 2026 | 9 |
| Deferred Revenue | |
| Balance at December 31, 2025 | 418 |
| Amount included in opening balance transferred to other accounts during period | (138) |
| Amounts recorded during period | 761 |
| Amounts recorded during period transferred to other accounts | (508) |
| Other changes | 1 |
| Balance at September 30, 2026 | $ 534 |
| X | ||||||||||
- Definition Amount of increase in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. No definition available.
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| X | ||||||||||
- Definition Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional during the period. No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable recorded during the current reporting period. No definition available.
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| X | ||||||||||
- Definition Amount of revenue recognized from additions made during the current reporting period to the balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. No definition available.
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| X | ||||||||||
- Definition Movement In Contract With Customer Liability No definition available.
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer, when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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