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Schedule II - Valuation And Qualifying Accounts (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Allowance for Doubtful Accounts |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | $ 84 | $ 60 | $ 52
Expense (Benefit) | 91 | 107 | 73
Other Adjustments | (3) | (2) | 3
Deductions | (86) | (81) | (68)
Balance at End of Period | 86 | 84 | 60
Tax Valuation Allowance |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | 169 | 207 | 214
Expense (Benefit) | (63) | (35) | (1)
Other Adjustments | (3) | (3) | (6)
Deductions | 0 | 0 | 0
Balance at End of Period | $ 103 | $ 169 | $ 207

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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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