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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Dollars in Millions)
|  |  |  | Additions |  |  |  |
|  | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Other |  | Deductions |  | Balance at End of Period
Year Ended December 31, 2023 |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts and estimated returns |  | $ | 70 |  |  | $ | 17 |  |  | $ | — |  |  | $ | 7 |  |  | $ | 80 |
Valuation allowance for deferred tax assets |  | $ | 129 |  |  | $ | 158 |  |  | $ | — |  |  | $ | — |  |  | $ | 287 |
Year Ended December 31, 2022 |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts and estimated returns |  | $ | 78 |  |  | $ | 4 |  |  | $ | — |  |  | $ | 12 |  |  | $ | 70 |
Valuation allowance for deferred tax assets |  | $ | 120 |  |  | $ | 14 |  |  | $ | — |  |  | $ | 5 |  |  | $ | 129 |
Year Ended December 31, 2021 |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts and estimated returns |  | $ | 89 |  |  | $ | 35 |  |  | $ | — |  |  | $ | 46 |  |  | $ | 78 |
Valuation allowance for deferred tax assets |  | $ | 96 |  |  | $ | 27 |  |  | $ | — |  |  | $ | 3 |  |  | $ | 120 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + Details
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- References No definition available. + Details
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