Summary of Significant Accounting Policies - Activity in the Allowance for Credit Losses (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Accounts Receivable, Allowance for Credit Loss [Roll Forward] | ||||
| Beginning balance | $ 150 | $ 144 | $ 146 | $ 152 |
| Provision for credit losses | 45 | 57 | 104 | 113 |
| Write-offs | (73) | (91) | (141) | (170) |
| Recoveries collected | 9 | 11 | 19 | 23 |
| Other | 7 | 6 | 10 | 9 |
| Ending balance | $ 138 | $ 127 | $ 138 | $ 127 |
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- Definition Accounts Receivable, Allowance for Credit Loss, Other No definition available.
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- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in allowance for credit loss on accounts receivable, from recovery. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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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- 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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- 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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