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COMMITMENTS AND CONTINGENCIES - OTHER LITIGATION (Details) £ in Millions, $ in Millions | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 31, 2020 GBP (£) | Mar. 31, 2020 GBP (£) | Sep. 30, 2023 USD ($) | Oct. 31, 2023 lawsuit claim
Plaintiffs | HMRC VAT Claim |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Damages awarded |  | £ 45 | $ 55 |
Cost and interest assessed | £ 21 |  | $ 26 |
Energy Future Holdings Corp. | Subsequent Event |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Lawsuits pending | lawsuit |  |  |  | 2
Number of proof of claims | claim |  |  |  | 28,000

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