Summary of Significant Accounting Policies - Schedule of Allowance for Credit Losses (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Accounts Receivable, Allowance for Credit Loss [Roll Forward] | |||
| Balance beginning of year | $ 91 | $ 102 | $ 111 |
| Charged to expense | 50 | 57 | 59 |
| Other | 0 | (1) | (6) |
| Deductions- write-offs | (62) | (67) | (62) |
| Balance end of year | $ 79 | $ 91 | $ 102 |
| X | ||||||||||
- Definition The amount of other adjustments to the allowance for doubtful accounts. No definition available.
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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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