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SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Allowance for credit losses, deducted from accounts receivable and other non-current assets |  |  |
Income tax valuation allowance, deducted from deferred tax assets |  |  |
Balance at Beginning of Period | $ 133 | $ 683 | $ 67
Charged to Costs and Expenses | 251 | 11 | 698
Charged to Other Accounts | 35 | 0 | 112
Deductions | (274) | (561) | (194)
Balance at End of Period | 145 | 133 | 683
Income tax valuation allowance, deducted from deferred tax assets |  |  |
Income tax valuation allowance, deducted from deferred tax assets |  |  |
Balance at Beginning of Period | 224 | 248 | 266
Charged to Costs and Expenses | 42 | (20) | (29)
Charged to Other Accounts | 9 | (4) | 11
Deductions | 0 | 0 | 0
Balance at End of Period | $ 275 | $ 224 | $ 248

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 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(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + Details
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