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Retirement Benefits and Trusteed Assets (OPEB - Benefits related to Qualified and Nonqualified Pension Plans Expected to be paid in the Next Ten Years) (Details) - Other postretirement benefit plan $ in Millions | Dec. 31, 2022 USD ($)
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Defined Benefit Plan Disclosure [Line Items] |
2023 | $ 84
2024 | 89
2025 | 90
2026 | 91
2027 | 94
2028-2032 | 488
Total | 936
DTE Electric |
Defined Benefit Plan Disclosure [Line Items] |
2023 | 64
2024 | 67
2025 | 68
2026 | 69
2027 | 71
2028-2032 | 371
Total | $ 710

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