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v3.23.3

Fair Value (Assets and Liabilities Recorded at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Derivative assets |  |
Derivative assets, gross | $ 968 | $ 1,922
Derivative asset, netting | (659) | (1,489)
Derivative liabilities |  |
Derivative liabilities, gross | (970) | (2,169)
Derivative liability, netting | 671 | 1,512
DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 1,913 | 1,825
Current liabilities |  |
Derivative liabilities |  |
Derivative liabilities, gross | (657) | (1,535)
Noncurrent liabilities |  |
Derivative liabilities |  |
Derivative liabilities, gross | (313) | (634)
Natural gas |  |
Derivative assets |  |
Derivative assets, gross | 441 | 744
Derivative asset, netting | (299) | (649)
Derivative liabilities |  |
Derivative liabilities, gross | (476) | (1,018)
Derivative liability, netting | 301 | 645
Electricity |  |
Derivative assets |  |
Derivative assets, gross | 333 | 963
Derivative asset, netting | (198) | (643)
Derivative liabilities |  |
Derivative liabilities, gross | (318) | (935)
Derivative liability, netting | 208 | 665
Environmental & Other |  |
Derivative assets |  |
Derivative assets, gross | 171 | 213
Derivative asset, netting | (162) | (196)
Derivative liabilities |  |
Derivative liabilities, gross | (175) | (214)
Derivative liability, netting | 162 | 201
Cash equivalents | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 39 | 42
Private equity and other | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 308 | 262
Hedge funds and similar investments | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 172 | 119
Equity securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 852 | 839
Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 542 | 563
Recurring |  |
Assets |  |
Cash equivalents | 27 | 10
Derivative assets |  |
Derivative asset, netting | (659) | (1,489)
Derivative assets, net | 309 | 433
Total Assets | 2,345 | 2,403
Derivative liabilities |  |
Derivative liability, netting | 671 | 1,512
Total Liabilities | (299) | (657)
Net Assets (Liabilities) at end of period | 2,046 | 1,746
Net Assets (Liabilities) at end of period, netting | 12 | 23
Recurring | DTE Electric |  |
Assets |  |
Cash equivalents | 23 | 9
Derivative assets |  |
Total Assets | 1,977 | 1,872
Recurring | Current assets |  |
Derivative assets |  |
Derivative asset, netting | (505) | (1,189)
Total Assets | 255 | 338
Recurring | Current assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 33 | 20
Recurring | Noncurrent assets |  |
Derivative assets |  |
Derivative asset, netting | (154) | (300)
Total Assets | 2,090 | 2,065
Recurring | Noncurrent assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 1,944 | 1,852
Recurring | Current liabilities |  |
Derivative liabilities |  |
Derivative liability, netting | 512 | 1,193
Total Liabilities | (145) | (342)
Recurring | Noncurrent liabilities |  |
Derivative liabilities |  |
Derivative liability, netting | 159 | 319
Total Liabilities | (154) | (315)
Recurring | Restricted cash |  |
Assets |  |
Cash equivalents | 25 | 10
Recurring | Restricted cash | DTE Electric |  |
Assets |  |
Cash equivalents | 23 | 9
Recurring | Natural gas |  |
Derivative assets |  |
Derivative asset, netting | (299) | (649)
Derivative assets, net | 142 | 95
Derivative liabilities |  |
Derivative liability, netting | 301 | 645
Derivative liabilities, net | (175) | (373)
Recurring | Electricity |  |
Derivative assets |  |
Derivative asset, netting | (198) | (643)
Derivative assets, net | 135 | 320
Derivative liabilities |  |
Derivative liability, netting | 208 | 665
Derivative liabilities, net | (110) | (270)
Recurring | Environmental & Other |  |
Derivative assets |  |
Derivative asset, netting | (162) | (196)
Derivative assets, net | 9 | 17
Derivative liabilities |  |
Derivative liability, netting | 162 | 201
Derivative liabilities, net | (13) | (13)
Recurring | Other Contract |  |
Derivative assets |  |
Derivative asset, netting | 0 | (1)
Derivative assets, net | 23 | 1
Derivative liabilities |  |
Derivative liability, netting | 0 | 1
Derivative liabilities, net | (1) | (1)
Recurring | Derivative assets — FTRs | DTE Electric |  |
Derivative assets |  |
Derivative assets, net | 10 | 11
Recurring | Cash equivalents |  |
Assets |  |
Nuclear decommissioning trusts | 39 | 42
Other investments | 35 | 72
Recurring | Cash equivalents | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 39 | 42
Other investments | 12 | 11
Recurring | Private equity and other |  |
Assets |  |
Nuclear decommissioning trusts | 308 | 262
Recurring | Private equity and other | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 308 | 262
Recurring | Hedge funds and similar investments |  |
Assets |  |
Nuclear decommissioning trusts | 172 | 119
Recurring | Hedge funds and similar investments | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 172 | 119
Recurring | Equity securities |  |
Assets |  |
Nuclear decommissioning trusts | 852 | 839
Other investments | 54 | 56
Recurring | Equity securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 852 | 839
Other investments | 19 | 16
Recurring | Fixed income securities |  |
Assets |  |
Nuclear decommissioning trusts | 542 | 563
Other investments | 7 | 7
Recurring | Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 542 | 563
Recurring | Level 1 |  |
Assets |  |
Cash equivalents | 27 | 10
Derivative assets |  |
Derivative assets, gross | 140 | 426
Total Assets | 1,229 | 1,507
Derivative liabilities |  |
Total Liabilities | (124) | (297)
Net Assets (Liabilities) at end of period | 1,105 | 1,210
Recurring | Level 1 | DTE Electric |  |
Assets |  |
Cash equivalents | 23 | 9
Derivative assets |  |
Total Assets | 1,020 | 972
Recurring | Level 1 | Current assets |  |
Derivative assets |  |
Total Assets | 137 | 360
Recurring | Level 1 | Current assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 23 | 9
Recurring | Level 1 | Noncurrent assets |  |
Derivative assets |  |
Total Assets | 1,092 | 1,147
Recurring | Level 1 | Noncurrent assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 997 | 963
Recurring | Level 1 | Current liabilities |  |
Derivative liabilities |  |
Total Liabilities | (101) | (273)
Recurring | Level 1 | Noncurrent liabilities |  |
Derivative liabilities |  |
Total Liabilities | (23) | (24)
Recurring | Level 1 | Natural gas |  |
Derivative assets |  |
Derivative assets, gross | 140 | 426
Derivative liabilities |  |
Derivative liabilities, gross | (124) | (297)
Recurring | Level 1 | Electricity |  |
Derivative assets |  |
Derivative assets, gross | 0 | 0
Derivative liabilities |  |
Derivative liabilities, gross | 0 | 0
Recurring | Level 1 | Environmental & Other |  |
Derivative assets |  |
Derivative assets, gross | 0 | 0
Derivative liabilities |  |
Derivative liabilities, gross | 0 | 0
Recurring | Level 1 | Other Contract |  |
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 | 39 | 42
Other investments | 35 | 72
Recurring | Level 1 | Cash equivalents | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 39 | 42
Other investments | 12 | 11
Recurring | Level 1 | Private equity and other |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Recurring | Level 1 | Private equity and other | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 0 | 0
Recurring | Level 1 | Hedge funds and similar investments |  |
Assets |  |
Nuclear decommissioning trusts | 106 | 78
Recurring | Level 1 | Hedge funds and similar investments | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 106 | 78
Recurring | Level 1 | Equity securities |  |
Assets |  |
Nuclear decommissioning trusts | 716 | 701
Other investments | 54 | 56
Recurring | Level 1 | Equity securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 716 | 701
Other investments | 19 | 16
Recurring | Level 1 | Fixed income securities |  |
Assets |  |
Nuclear decommissioning trusts | 105 | 115
Other investments | 7 | 7
Recurring | Level 1 | Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 105 | 115
Recurring | Level 2 |  |
Assets |  |
Cash equivalents | 0 | 0
Derivative assets |  |
Derivative assets, gross | 543 | 1,106
Total Assets | 955 | 1,506
Derivative liabilities |  |
Total Liabilities | (548) | (1,205)
Net Assets (Liabilities) at end of period | 407 | 301
Recurring | Level 2 | DTE Electric |  |
Assets |  |
Cash equivalents | 0 | 0
Derivative assets |  |
Total Assets | 412 | 400
Recurring | Level 2 | Current assets |  |
Derivative assets |  |
Total Assets | 427 | 881
Recurring | Level 2 | Current assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 0 | 0
Recurring | Level 2 | Noncurrent assets |  |
Derivative assets |  |
Total Assets | 528 | 625
Recurring | Level 2 | Noncurrent assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 412 | 400
Recurring | Level 2 | Current liabilities |  |
Derivative liabilities |  |
Total Liabilities | (410) | (876)
Recurring | Level 2 | Noncurrent liabilities |  |
Derivative liabilities |  |
Total Liabilities | (138) | (329)
Recurring | Level 2 | Natural gas |  |
Derivative assets |  |
Derivative assets, gross | 143 | 183
Derivative liabilities |  |
Derivative liabilities, gross | (166) | (331)
Recurring | Level 2 | Electricity |  |
Derivative assets |  |
Derivative assets, gross | 223 | 720
Derivative liabilities |  |
Derivative liabilities, gross | (212) | (659)
Recurring | Level 2 | Environmental & Other |  |
Derivative assets |  |
Derivative assets, gross | 154 | 201
Derivative liabilities |  |
Derivative liabilities, gross | (169) | (213)
Recurring | Level 2 | Other Contract |  |
Derivative assets |  |
Derivative assets, gross | 23 | 2
Derivative liabilities |  |
Derivative liabilities, gross | (1) | (2)
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 | 66 | 41
Recurring | Level 2 | Hedge funds and similar investments | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 66 | 41
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 | 346 | 359
Other investments | 0 | 0
Recurring | Level 2 | Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 346 | 359
Recurring | Level 3 |  |
Assets |  |
Cash equivalents | 0 | 0
Derivative assets |  |
Derivative assets, gross | 285 | 390
Total Assets | 285 | 390
Derivative liabilities |  |
Total Liabilities | (298) | (667)
Net Assets (Liabilities) at end of period | (13) | (277)
Recurring | Level 3 | DTE Electric |  |
Assets |  |
Cash equivalents | 0 | 0
Derivative assets |  |
Total Assets | 10 | 11
Recurring | Level 3 | Current assets |  |
Derivative assets |  |
Total Assets | 196 | 286
Recurring | Level 3 | Current assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 10 | 11
Recurring | Level 3 | Noncurrent assets |  |
Derivative assets |  |
Total Assets | 89 | 104
Recurring | Level 3 | Noncurrent assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 0 | 0
Recurring | Level 3 | Current liabilities |  |
Derivative liabilities |  |
Total Liabilities | (146) | (386)
Recurring | Level 3 | Noncurrent liabilities |  |
Derivative liabilities |  |
Total Liabilities | (152) | (281)
Recurring | Level 3 | Natural gas |  |
Derivative assets |  |
Derivative assets, gross | 158 | 135
Derivative liabilities |  |
Derivative liabilities, gross | (186) | (390)
Recurring | Level 3 | Electricity |  |
Derivative assets |  |
Derivative assets, gross | 110 | 243
Derivative liabilities |  |
Derivative liabilities, gross | (106) | (276)
Recurring | Level 3 | Environmental & Other |  |
Derivative assets |  |
Derivative assets, gross | 17 | 12
Derivative liabilities |  |
Derivative liabilities, gross | (6) | (1)
Recurring | Level 3 | Other Contract |  |
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 | 10 | 11
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 | 535 | 489
Derivative liabilities |  |
Net Assets (Liabilities) at end of period | 535 | 489
Recurring | Other | DTE Electric |  |
Derivative assets |  |
Total Assets | 535 | 489
Recurring | Other | Noncurrent assets |  |
Derivative assets |  |
Total Assets | 535 | 489
Recurring | Other | Noncurrent assets | DTE Electric |  |
Derivative assets |  |
Total Assets | 535 | 489
Recurring | Other | Private equity and other |  |
Assets |  |
Nuclear decommissioning trusts | 308 | 262
Recurring | Other | Private equity and other | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 308 | 262
Recurring | Other | Equity securities |  |
Assets |  |
Nuclear decommissioning trusts | 136 | 138
Recurring | Other | Equity securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | 136 | 138
Recurring | Other | Fixed income securities |  |
Assets |  |
Nuclear decommissioning trusts | 91 | 89
Recurring | Other | Fixed income securities | DTE Electric |  |
Assets |  |
Nuclear decommissioning trusts | $ 91 | $ 89

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- Definition The fair value of investments held in a trust fund to pay for the costs of decontaminating and decommissioning facilities, whether such amount is presented as a separate caption or as a parenthetical disclosure on the balance sheet. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 + Details
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