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Schedule II - Valuation And Qualifying Accounts (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Allowance for Doubtful Accounts |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | $ 86 | $ 84 | $ 60
Expense (Benefit) | 86 | 91 | 107
Other Adjustments | 1 | (3) | (2)
Deductions | (86) | (86) | (81)
Balance at End of Period | 87 | 86 | 84
Tax Valuation Allowance |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | 103 | 169 | 207
Expense (Benefit) | (2) | (63) | (35)
Other Adjustments | 5 | (3) | (3)
Deductions | 0 | 0 | 0
Balance at End of Period | $ 106 | $ 103 | $ 169

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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 -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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