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SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Movement in valuation and qualifying accounts |  |  |  |
State income tax benefit, net of federal expense |  | $ (8) | $ (9) | $ 39
Allowances for credit losses deducted from accounts receivable in the balance sheet: |  |  |  |
Movement in valuation and qualifying accounts |  |  |  |
Balance at Beginning of Period |  | 10 | 11 | 8
Charged to Costs and Expenses |  | 5 | 4 | 7
Charged to Other Accounts |  | 0 | 0 | 0
Deductions |  | (4) | (5) | (5)
Balance at End of Period |  | 12 | 10 | 11
Valuation allowance on deferred tax assets: |  |  |  |
Movement in valuation and qualifying accounts |  |  |  |
Balance at Beginning of Period |  | 27 | 33 | 15
Charged to Costs and Expenses |  | 0 | 0 | 2
Charged to Other Accounts |  | 0 | 0 | 53
Deductions |  | 0 | (6) | (37)
Balance at End of Period |  | $ 27 | $ 27 | 33
Valuation allowance on deferred tax assets: | Sauna360 |  |  |  |
Movement in valuation and qualifying accounts |  |  |  |
Charged to Other Accounts | $ 5 |  |  |
Valuation allowance on deferred tax assets: state deferred tax |  |  |  |
Movement in valuation and qualifying accounts |  |  |  |
Charged to Other Accounts |  |  |  | 48
State income tax benefit, net of federal expense |  |  |  | $ 29

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