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Long-Term Debt (Scheduled Interest Payments) (Details) $ in Millions | Dec. 31, 2023 USD ($)
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Debt Instrument [Line Items] |
2024 | $ 749
2025 | 668
2026 | 651
2027 | 623
2028 | 589
2029 and Thereafter | 8,412
Total | 11,692
DTE Electric |
Debt Instrument [Line Items] |
2024 | 432
2025 | 427
2026 | 416
2027 | 408
2028 | 400
2029 and Thereafter | 5,150
Total | $ 7,233

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