XML 48 R29.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2021
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, 2021 |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts and estimated returns |  | $ | 89 |  |  | $ | 35 |  |  | $ | — |  |  | $ | 46 |  |  | $ | 78 |
Valuation allowance for deferred tax assets |  | $ | 96 |  |  | $ | 27 |  |  | $ | — |  |  | $ | 3 |  |  | $ | 120 |
Year Ended December 31, 2020 |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts and estimated returns |  | $ | 76 |  |  | $ | 16 |  |  | $ | — |  |  | $ | 3 |  |  | $ | 89 |
Valuation allowance for deferred tax assets |  | $ | 115 |  |  | $ | 31 |  |  | $ | — |  |  | $ | 50 |  |  | $ | 96 |
Year Ended December 31, 2019 |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts and estimated returns |  | $ | 82 |  |  | $ | 6 |  |  | $ | — |  |  | $ | 12 |  |  | $ | 76 |
Valuation allowance for deferred tax assets |  | $ | 54 |  |  | $ | 68 |  |  | $ | — |  |  | $ | 7 |  |  | $ | 115 |

X
- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | srt_ValuationAndQualifyingAccountsAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration