Summary of Significant Accounting Policies - Receivables and Investments (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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Summary of Significant Accounting Policies | 听 | 听 | 听 |
Balance, beginning of period | $ 14 | $ 13 | $ 17 |
Provision for Doubtful Accounts | 59 | 59 | 54 |
Write-offs | (56) | (59) | (58) |
Foreign currency translation adjustments | 听 | 1 | 听 |
Balance, end of period | 17 | 14 | $ 13 |
Debt and equity securities | $ 113 | $ 80 | 听 |
X | ||||||||||
- References No definition available.
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X | ||||||||||
- 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 Amount of direct wr |