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v3.25.1

Fair Value (Assets and Liabilities Recorded at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Derivative assets |  |
Derivative assets, gross | $ 837 | $ 694
Derivative asset, netting | (599) | (447)
Derivative liabilities |  |
Derivative liabilities, gross | (758) | (605)
Derivative liability, netting | 538 | 430
DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 2,246 | 2,256
Current liabilities |  |
Derivative liabilities |  |
Derivative liabilities, gross | (546) | (441)
Noncurrent liabilities |  |
Derivative liabilities |  |
Derivative liabilities, gross | (212) | (164)
Natural gas |  |
Derivative assets |  |
Derivative assets, gross | 461 | 428
Derivative asset, netting | (327) | (285)
Derivative liabilities |  |
Derivative liabilities, gross | (395) | (410)
Derivative liability, netting | 280 | 272
Electricity |  |
Derivative assets |  |
Derivative assets, gross | 304 | 187
Derivative asset, netting | (214) | (116)
Derivative liabilities |  |
Derivative liabilities, gross | (310) | (150)
Derivative liability, netting | 206 | 114
Environmental & Other |  |
Derivative assets |  |
Derivative assets, gross | 68 | 58
Derivative asset, netting | (58) | (46)
Derivative liabilities |  |
Derivative liabilities, gross | (52) | (44)
Derivative liability, netting | 52 | 44
Cash equivalents | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 28 | 26
Private equity and other | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 344 | 349
Hedge funds and similar investments | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 231 | 228
Equity securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 986 | 1,003
Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 657 | 650
Recurring |  |
Assets |  |
Cash equivalents | 21 | 11
Derivative assets |  |
Derivative asset, netting | (599) | (447)
Derivative assets, net | 238 | 247
Total Assets | 2,612 | 2,622
Derivative liabilities |  |
Derivative liability, netting | 538 | 430
Total Liabilities | (220) | (175)
Net Assets (Liabilities) at end of period | 2,392 | 2,447
Net Assets at end of period, netting | (61) | (17)
Recurring | DTE Electric |  |
Assets |  |
Cash equivalents | 19 | 8
Derivative assets |  |
Total Assets | 2,313 | 2,318
Recurring | Current assets |  |
Derivative assets |  |
Derivative asset, netting | (447) | (326)
Total Assets | 181 | 173
Recurring | Current assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 22 | 17
Recurring | Noncurrent assets |  |
Derivative assets |  |
Derivative asset, netting | (152) | (121)
Total Assets | 2,431 | 2,449
Recurring | Noncurrent assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 2,291 | 2,301
Recurring | Current liabilities |  |
Derivative liabilities |  |
Derivative liability, netting | 401 | 323
Total Liabilities | (145) | (118)
Recurring | Noncurrent liabilities |  |
Derivative liabilities |  |
Derivative liability, netting | 137 | 107
Total Liabilities | (75) | (57)
Recurring | Restricted cash |  |
Assets |  |
Cash equivalents | 19 | 8
Recurring | Restricted cash | DTE Electric |  |
Assets |  |
Cash equivalents | 19 | 8
Recurring | Natural gas |  |
Derivative assets |  |
Derivative asset, netting | (327) | (285)
Derivative assets, net | 134 | 143
Derivative liabilities |  |
Derivative liability, netting | 280 | 272
Derivative liabilities, net | (115) | (138)
Recurring | Electricity |  |
Derivative assets |  |
Derivative asset, netting | (214) | (116)
Derivative assets, net | 90 | 71
Derivative liabilities |  |
Derivative liability, netting | 206 | 114
Derivative liabilities, net | (104) | (36)
Recurring | Environmental & Other |  |
Derivative assets |  |
Derivative asset, netting | (58) | (46)
Derivative assets, net | 10 | 12
Derivative liabilities |  |
Derivative liability, netting | 52 | 44
Derivative liabilities, net | 0 | 0
Recurring | Other contracts |  |
Derivative assets |  |
Derivative assets, net | 4 | 21
Derivative liabilities |  |
Derivative liabilities, net | (1) | (1)
Recurring | Derivative assets — FTRs | DTE Electric |  |
Derivative assets |  |
Derivative assets, net | 3 | 9
Recurring | Cash equivalents |  |
Assets |  |
Nuclear decommissioning trusts | 28 | 26
Other investments | 32 | 29
Recurring | Cash equivalents | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 28 | 26
Other investments | 19 | 19
Recurring | Private equity and other |  |
Assets |  |
Nuclear decommissioning trusts | 344 | 349
Recurring | Private equity and other | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 344 | 349
Recurring | Hedge funds and similar investments |  |
Assets |  |
Nuclear decommissioning trusts | 231 | 228
Recurring | Hedge funds and similar investments | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 231 | 228
Recurring | Equity securities |  |
Assets |  |
Nuclear decommissioning trusts | 986 | 1,003
Other investments | 67 | 72
Recurring | Equity securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 986 | 1,003
Other investments | 26 | 26
Recurring | Fixed income securities |  |
Assets |  |
Nuclear decommissioning trusts | 657 | 650
Other investments | 8 | 7
Recurring | Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 657 | 650
Recurring | Level 1 |  |
Assets |  |
Cash equivalents | 21 | 11
Derivative assets |  |
Derivative assets, gross | 446 | 310
Total Assets | 1,736 | 1,602
Derivative liabilities |  |
Total Liabilities | (345) | (290)
Net Assets (Liabilities) at end of period | 1,391 | 1,312
Recurring | Level 1 | DTE Electric |  |
Assets |  |
Cash equivalents | 19 | 8
Derivative assets |  |
Total Assets | 1,226 | 1,226
Recurring | Level 1 | Current assets |  |
Derivative assets |  |
Total Assets | 354 | 223
Recurring | Level 1 | Current assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 19 | 8
Recurring | Level 1 | Noncurrent assets |  |
Derivative assets |  |
Total Assets | 1,382 | 1,379
Recurring | Level 1 | Noncurrent assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 1,207 | 1,218
Recurring | Level 1 | Current liabilities |  |
Derivative liabilities |  |
Total Liabilities | (255) | (219)
Recurring | Level 1 | Noncurrent liabilities |  |
Derivative liabilities |  |
Total Liabilities | (90) | (71)
Recurring | Level 1 | Natural gas |  |
Derivative assets |  |
Derivative assets, gross | 330 | 242
Derivative liabilities |  |
Derivative liabilities, gross | (233) | (217)
Recurring | Level 1 | Electricity |  |
Derivative assets |  |
Derivative assets, gross | 112 | 67
Derivative liabilities |  |
Derivative liabilities, gross | (108) | (71)
Recurring | Level 1 | Environmental & Other |  |
Derivative assets |  |
Derivative assets, gross | 4 | 1
Derivative liabilities |  |
Derivative liabilities, gross | (4) | (2)
Recurring | Level 1 | Other contracts |  |
Derivative assets |  |
Derivative assets, gross | 0 | 0
Derivative liabilities |  |
Derivative liabilities, gross | 0 | 0
Recurring | Level 1 | Derivative assets — FTRs | DTE Electric |  |
Derivative assets |  |
Derivative assets, net | 0 | 0
Recurring | Level 1 | Cash equivalents |  |
Assets |  |
Nuclear decommissioning trusts | 28 | 26
Other investments | 32 | 29
Recurring | Level 1 | Cash equivalents | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 28 | 26
Other investments | 19 | 19
Recurring | Level 1 | Private equity and other |  |
Assets |  |
Nuclear decommissioning trusts | 16 | 16
Recurring | Level 1 | Private equity and other | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 16 | 16
Recurring | Level 1 | Hedge funds and similar investments |  |
Assets |  |
Nuclear decommissioning trusts | 154 | 151
Recurring | Level 1 | Hedge funds and similar investments | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 154 | 151
Recurring | Level 1 | Equity securities |  |
Assets |  |
Nuclear decommissioning trusts | 836 | 856
Other investments | 67 | 72
Recurring | Level 1 | Equity securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 836 | 856
Other investments | 26 | 26
Recurring | Level 1 | Fixed income securities |  |
Assets |  |
Nuclear decommissioning trusts | 128 | 124
Other investments | 8 | 7
Recurring | Level 1 | Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 128 | 124
Recurring | Level 2 |  |
Assets |  |
Cash equivalents | 0 | 0
Derivative assets |  |
Derivative assets, gross | 277 | 218
Total Assets | 710 | 648
Derivative liabilities |  |
Total Liabilities | (210) | (162)
Net Assets (Liabilities) at end of period | 500 | 486
Recurring | Level 2 | DTE Electric |  |
Assets |  |
Cash equivalents | 0 | 0
Derivative assets |  |
Total Assets | 433 | 430
Recurring | Level 2 | Current assets |  |
Derivative assets |  |
Total Assets | 218 | 170
Recurring | Level 2 | Current assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 0 | 0
Recurring | Level 2 | Noncurrent assets |  |
Derivative assets |  |
Total Assets | 492 | 478
Recurring | Level 2 | Noncurrent assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 433 | 430
Recurring | Level 2 | Current liabilities |  |
Derivative liabilities |  |
Total Liabilities | (160) | (129)
Recurring | Level 2 | Noncurrent liabilities |  |
Derivative liabilities |  |
Total Liabilities | (50) | (33)
Recurring | Level 2 | Natural gas |  |
Derivative assets |  |
Derivative assets, gross | 33 | 81
Derivative liabilities |  |
Derivative liabilities, gross | (64) | (70)
Recurring | Level 2 | Electricity |  |
Derivative assets |  |
Derivative assets, gross | 179 | 69
Derivative liabilities |  |
Derivative liabilities, gross | (98) | (52)
Recurring | Level 2 | Environmental & Other |  |
Derivative assets |  |
Derivative assets, gross | 61 | 47
Derivative liabilities |  |
Derivative liabilities, gross | (47) | (39)
Recurring | Level 2 | Other contracts |  |
Derivative assets |  |
Derivative assets, gross | 4 | 21
Derivative liabilities |  |
Derivative liabilities, gross | (1) | (1)
Recurring | Level 2 | Derivative assets — FTRs | DTE Electric |  |
Derivative assets |  |
Derivative assets, net | 0 | 0
Recurring | Level 2 | Cash equivalents |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Other investments | 0 | 0
Recurring | Level 2 | Cash equivalents | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Other investments | 0 | 0
Recurring | Level 2 | Private equity and other |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Recurring | Level 2 | Private equity and other | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Recurring | Level 2 | Hedge funds and similar investments |  |
Assets |  |
Nuclear decommissioning trusts | 16 | 16
Recurring | Level 2 | Hedge funds and similar investments | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 16 | 16
Recurring | Level 2 | Equity securities |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Other investments | 0 | 0
Recurring | Level 2 | Equity securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Other investments | 0 | 0
Recurring | Level 2 | Fixed income securities |  |
Assets |  |
Nuclear decommissioning trusts | 417 | 414
Other investments | 0 | 0
Recurring | Level 2 | Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 417 | 414
Recurring | Level 3 |  |
Assets |  |
Cash equivalents | 0 | 0
Derivative assets |  |
Derivative assets, gross | 114 | 166
Total Assets | 114 | 166
Derivative liabilities |  |
Total Liabilities | (203) | (153)
Net Assets (Liabilities) at end of period | (89) | 13
Recurring | Level 3 | DTE Electric |  |
Assets |  |
Cash equivalents | 0 | 0
Derivative assets |  |
Total Assets | 3 | 9
Recurring | Level 3 | Current assets |  |
Derivative assets |  |
Total Assets | 56 | 106
Recurring | Level 3 | Current assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 3 | 9
Recurring | Level 3 | Noncurrent assets |  |
Derivative assets |  |
Total Assets | 58 | 60
Recurring | Level 3 | Noncurrent assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 0 | 0
Recurring | Level 3 | Current liabilities |  |
Derivative liabilities |  |
Total Liabilities | (131) | (93)
Recurring | Level 3 | Noncurrent liabilities |  |
Derivative liabilities |  |
Total Liabilities | (72) | (60)
Recurring | Level 3 | Natural gas |  |
Derivative assets |  |
Derivative assets, gross | 98 | 105
Derivative liabilities |  |
Derivative liabilities, gross | (98) | (123)
Recurring | Level 3 | Electricity |  |
Derivative assets |  |
Derivative assets, gross | 13 | 51
Derivative liabilities |  |
Derivative liabilities, gross | (104) | (27)
Recurring | Level 3 | Environmental & Other |  |
Derivative assets |  |
Derivative assets, gross | 3 | 10
Derivative liabilities |  |
Derivative liabilities, gross | (1) | (3)
Recurring | Level 3 | Other contracts |  |
Derivative assets |  |
Derivative assets, gross | 0 | 0
Derivative liabilities |  |
Derivative liabilities, gross | 0 | 0
Recurring | Level 3 | Derivative assets — FTRs | DTE Electric |  |
Derivative assets |  |
Derivative assets, net | 3 | 9
Recurring | Level 3 | Cash equivalents |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Other investments | 0 | 0
Recurring | Level 3 | Cash equivalents | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Other investments | 0 | 0
Recurring | Level 3 | Private equity and other |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Recurring | Level 3 | Private equity and other | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Recurring | Level 3 | Hedge funds and similar investments |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Recurring | Level 3 | Hedge funds and similar investments | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Recurring | Level 3 | Equity securities |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Other investments | 0 | 0
Recurring | Level 3 | Equity securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Other investments | 0 | 0
Recurring | Level 3 | Fixed income securities |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Other investments | 0 | 0
Recurring | Level 3 | Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Recurring | Other |  |
Derivative assets |  |
Total Assets | 651 | 653
Derivative liabilities |  |
Net Assets (Liabilities) at end of period | 651 | 653
Recurring | Other | DTE Electric |  |
Derivative assets |  |
Total Assets | 651 | 653
Recurring | Other | Noncurrent assets |  |
Derivative assets |  |
Total Assets | 651 | 653
Recurring | Other | Noncurrent assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 651 | 653
Recurring | Other | Private equity and other |  |
Assets |  |
Nuclear decommissioning trusts | 328 | 333
Recurring | Other | Private equity and other | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 328 | 333
Recurring | Other | Hedge funds and similar investments |  |
Assets |  |
Nuclear decommissioning trusts | 61 | 61
Recurring | Other | Hedge funds and similar investments | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 61 | 61
Recurring | Other | Equity securities |  |
Assets |  |
Nuclear decommissioning trusts | 150 | 147
Recurring | Other | Equity securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 150 | 147
Recurring | Other | Fixed income securities |  |
Assets |  |
Nuclear decommissioning trusts | 112 | 112
Recurring | Other | Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | $ 112 | $ 112

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