Revenue Recognition (Allowance for Doubtful Accounts Rollforward) (Details) - SEC Schedule, 12-09, Allowance, Credit Loss - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] | ||||
| Beginning balance | $ 181 | $ 174 | $ 186 | $ 169 |
| Charged to costs and expenses | 3 | 3 | 6 | 7 |
| Charged to revenue | 14 | 14 | 28 | 23 |
| Deductions and other | (15) | (15) | (37) | (23) |
| Ending balance | $ 183 | $ 176 | $ 183 | $ 176 |
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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 valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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