XML 123 R103.htm IDEA: XBRL DOCUMENT v3.22.4
Fair Value (Assets and Liabilities Recorded at Fair Value on a Recurring Basis) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Derivative assets    
Derivative assets, gross $ 1,922 $ 1,391
Derivative assets, netting $ (1,489) $ (1,120)
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Derivative Asset, Current, Derivative Asset, Noncurrent Derivative Asset, Current, Derivative Asset, Noncurrent
Liabilities    
Derivative liabilities, gross $ (2,169) $ (1,508)
Derivative liabilities, netting 1,512 1,078
DTE Electric    
Assets    
Nuclear decommissioning trusts 1,825 2,071
Current liabilities    
Liabilities    
Derivative liabilities, gross (1,535) (1,037)
Noncurrent liabilities    
Liabilities    
Derivative liabilities, gross (634) (471)
Natural Gas    
Derivative assets    
Derivative assets, gross 744 454
Derivative assets, netting (649) (394)
Liabilities    
Derivative liabilities, gross (1,018) (594)
Derivative liabilities, netting 645 347
Electricity    
Derivative assets    
Derivative assets, gross 963 643
Derivative assets, netting (643) (441)
Liabilities    
Derivative liabilities, gross (935) (622)
Derivative liabilities, netting 665 443
Environmental & Other    
Derivative assets    
Derivative assets, gross 213 294
Derivative assets, netting (196) (285)
Liabilities    
Derivative liabilities, gross (214) (288)
Derivative liabilities, netting 201 288
Cash equivalents | DTE Electric    
Assets    
Nuclear decommissioning trusts 42 39
Private equity and other | DTE Electric    
Assets    
Nuclear decommissioning trusts 262 205
Hedge Funds and Similar Investments | DTE Electric    
Assets    
Nuclear decommissioning trusts 119 76
Equity securities | DTE Electric    
Assets    
Nuclear decommissioning trusts 839 1,107
Fixed income securities | DTE Electric    
Assets    
Nuclear decommissioning trusts 563 644
Recurring    
Assets    
Cash equivalents 10 4
Derivative assets    
Derivative assets, netting (1,489) (1,120)
Derivative assets, net 433 271
Total assets 2,403 2,507
Liabilities    
Derivative liabilities, netting 1,512 1,078
Total Liabilities (657) (430)
Net Assets (Liabilities) at end of period 1,746 2,077
Net Assets (Liabilities) at the end of the period, netting 23 (42)
Recurring | DTE Electric    
Assets    
Cash equivalents 9 0
Derivative assets    
Total assets 1,872 2,111
Recurring | Current assets    
Derivative assets    
Derivative assets, netting (1,189) (854)
Total assets 338 185
Recurring | Current assets | DTE Electric    
Derivative assets    
Total assets 20 9
Recurring | Noncurrent assets    
Derivative assets    
Derivative assets, netting (300) (266)
Total assets 2,065 2,322
Recurring | Noncurrent assets | DTE Electric    
Derivative assets    
Total assets 1,852 2,102
Recurring | Current liabilities    
Liabilities    
Derivative liabilities, netting 1,193 799
Total Liabilities (342) (238)
Recurring | Noncurrent liabilities    
Liabilities    
Derivative liabilities, netting 319 279
Total Liabilities (315) (192)
Recurring | Restricted cash    
Assets    
Cash equivalents 10 1
Recurring | Restricted cash | DTE Electric    
Assets    
Cash equivalents 9  
Recurring | Natural Gas    
Derivative assets    
Derivative assets, netting (649) (394)
Derivative assets, net 95 60
Liabilities    
Derivative liabilities, netting 645 347
Derivative liabilities, net (373) (247)
Recurring | Electricity    
Derivative assets    
Derivative assets, netting (643) (441)
Derivative assets, net 320 202
Liabilities    
Derivative liabilities, netting 665 443
Derivative liabilities, net (270) (179)
Recurring | Environmental & Other    
Derivative assets    
Derivative assets, netting (196) (285)
Derivative assets, net 17 9
Liabilities    
Derivative liabilities, netting 201 288
Derivative liabilities, net (13) 0
Recurring | Other contracts    
Derivative assets    
Derivative assets, netting (1) 0
Derivative assets, net 1 0
Liabilities    
Derivative liabilities, netting 1 0
Derivative liabilities, net (1) (4)
Recurring | Derivative assets — FTRs | DTE Electric    
Derivative assets    
Derivative assets, net 11 9
Recurring | Cash equivalents    
Assets    
Nuclear decommissioning trusts 42 39
Other investments 72 86
Recurring | Cash equivalents | DTE Electric    
Assets    
Nuclear decommissioning trusts 42 39
Other investments 11 11
Recurring | Private equity and other    
Assets    
Nuclear decommissioning trusts 262 205
Recurring | Private equity and other | DTE Electric    
Assets    
Nuclear decommissioning trusts 262 205
Recurring | Hedge Funds and Similar Investments    
Assets    
Nuclear decommissioning trusts 119 76
Recurring | Hedge Funds and Similar Investments | DTE Electric    
Assets    
Nuclear decommissioning trusts 119 76
Recurring | Equity securities    
Assets    
Nuclear decommissioning trusts 839 1,107
Other investments 56 68
Recurring | Equity securities | DTE Electric    
Assets    
Nuclear decommissioning trusts 839 1,107
Other investments 16 20
Recurring | Fixed income securities    
Assets    
Nuclear decommissioning trusts 563 644
Other investments 7 7
Recurring | Fixed income securities | DTE Electric    
Assets    
Nuclear decommissioning trusts 563 644
Recurring | Level 1    
Assets    
Cash equivalents 10 4
Derivative assets    
Derivative assets, gross 426 273
Total assets 1,507 1,576
Liabilities    
Total Liabilities (297) (177)
Net Assets (Liabilities) at end of period 1,210 1,399
Recurring | Level 1 | DTE Electric    
Assets    
Cash equivalents 9 0
Derivative assets    
Total assets 972 1,169
Recurring | Level 1 | Current assets    
Derivative assets    
Total assets 360 227
Recurring | Level 1 | Current assets | DTE Electric    
Derivative assets    
Total assets 9 0
Recurring | Level 1 | Noncurrent assets    
Derivative assets    
Total assets 1,147 1,349
Recurring | Level 1 | Noncurrent assets | DTE Electric    
Derivative assets    
Total assets 963 1,169
Recurring | Level 1 | Current liabilities    
Liabilities    
Total Liabilities (273) (168)
Recurring | Level 1 | Noncurrent liabilities    
Liabilities    
Total Liabilities (24) (9)
Recurring | Level 1 | Natural Gas    
Derivative assets    
Derivative assets, gross 426 273
Liabilities    
Derivative liabilities, gross (297) (177)
Recurring | Level 1 | Electricity    
Derivative assets    
Derivative assets, gross 0 0
Liabilities    
Derivative liabilities, gross 0 0
Recurring | Level 1 | Environmental & Other    
Derivative assets    
Derivative assets, gross 0 0
Liabilities    
Derivative liabilities, gross 0 0
Recurring | Level 1 | Other contracts    
Derivative assets    
Derivative assets, gross 0 0
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 42 39
Other investments 72 86
Recurring | Level 1 | Cash equivalents | DTE Electric    
Assets    
Nuclear decommissioning trusts 42 39
Other investments 11 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 78 58
Recurring | Level 1 | Hedge Funds and Similar Investments | DTE Electric    
Assets    
Nuclear decommissioning trusts 78 58
Recurring | Level 1 | Equity securities    
Assets    
Nuclear decommissioning trusts 701 917
Other investments 56 68
Recurring | Level 1 | Equity securities | DTE Electric    
Assets    
Nuclear decommissioning trusts 701 917
Other investments 16 20
Recurring | Level 1 | Fixed income securities    
Assets    
Nuclear decommissioning trusts 115 124
Other investments 7 7
Recurring | Level 1 | Fixed income securities | DTE Electric    
Assets    
Nuclear decommissioning trusts 115 124
Recurring | Level 2    
Assets    
Cash equivalents 0 0
Derivative assets    
Derivative assets, gross 1,106 900
Total assets 1,506 1,336
Liabilities    
Total Liabilities (1,205) (898)
Net Assets (Liabilities) at end of period 301 438
Recurring | Level 2 | DTE Electric    
Assets    
Cash equivalents 0 0
Derivative assets    
Total assets 400 436
Recurring | Level 2 | Current assets    
Derivative assets    
Total assets 881 646
Recurring | Level 2 | Current assets | DTE Electric    
Derivative assets    
Total assets 0 0
Recurring | Level 2 | Noncurrent assets    
Derivative assets    
Total assets 625 690
Recurring | Level 2 | Noncurrent assets | DTE Electric    
Derivative assets    
Total assets 400 436
Recurring | Level 2 | Current liabilities    
Liabilities    
Total Liabilities (876) (609)
Recurring | Level 2 | Noncurrent liabilities    
Liabilities    
Total Liabilities (329) (289)
Recurring | Level 2 | Natural Gas    
Derivative assets    
Derivative assets, gross 183 115
Liabilities    
Derivative liabilities, gross (331) (172)
Recurring | Level 2 | Electricity    
Derivative assets    
Derivative assets, gross 720 500
Liabilities    
Derivative liabilities, gross (659) (434)
Recurring | Level 2 | Environmental & Other    
Derivative assets    
Derivative assets, gross 201 285
Liabilities    
Derivative liabilities, gross (213) (288)
Recurring | Level 2 | Other contracts    
Derivative assets    
Derivative assets, gross 2 0
Liabilities    
Derivative liabilities, gross (2) (4)
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 41 18
Recurring | Level 2 | Hedge Funds and Similar Investments | DTE Electric    
Assets    
Nuclear decommissioning trusts 41 18
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 359 418
Other investments 0 0
Recurring | Level 2 | Fixed income securities | DTE Electric    
Assets    
Nuclear decommissioning trusts 359 418
Recurring | Level 3    
Assets    
Cash equivalents 0 0
Derivative assets    
Derivative assets, gross 390 218
Total assets 390 218
Liabilities    
Total Liabilities (667) (433)
Net Assets (Liabilities) at end of period (277) (215)
Recurring | Level 3 | DTE Electric    
Assets    
Cash equivalents 0 0
Derivative assets    
Total assets 11 9
Recurring | Level 3 | Current assets    
Derivative assets    
Total assets 286 166
Recurring | Level 3 | Current assets | DTE Electric    
Derivative assets    
Total assets 11 9
Recurring | Level 3 | Noncurrent assets    
Derivative assets    
Total assets 104 52
Recurring | Level 3 | Noncurrent assets | DTE Electric    
Derivative assets    
Total assets 0 0
Recurring | Level 3 | Current liabilities    
Liabilities    
Total Liabilities (386) (260)
Recurring | Level 3 | Noncurrent liabilities    
Liabilities    
Total Liabilities (281) (173)
Recurring | Level 3 | Natural Gas    
Derivative assets    
Derivative assets, gross 135 66
Liabilities    
Derivative liabilities, gross (390) (245)
Recurring | Level 3 | Electricity    
Derivative assets    
Derivative assets, gross 243 143
Liabilities    
Derivative liabilities, gross (276) (188)
Recurring | Level 3 | Environmental & Other    
Derivative assets    
Derivative assets, gross 12 9
Liabilities    
Derivative liabilities, gross (1) 0
Recurring | Level 3 | Other contracts    
Derivative assets    
Derivative assets, gross 0 0
Liabilities    
Derivative liabilities, gross 0 0
Recurring | Level 3 | Derivative assets — FTRs | DTE Electric    
Derivative assets    
Derivative assets, net 11 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 489 497
Liabilities    
Net Assets (Liabilities) at end of period 489 497
Recurring | Other | DTE Electric    
Derivative assets    
Total assets 489 497
Recurring | Other | Noncurrent assets    
Derivative assets    
Total assets 489 497
Recurring | Other | Noncurrent assets | DTE Electric    
Derivative assets    
Total assets 489 497
Recurring | Other | Private equity and other    
Assets    
Nuclear decommissioning trusts 262 205
Recurring | Other | Private equity and other | DTE Electric    
Assets    
Nuclear decommissioning trusts 262 205
Recurring | Other | Equity securities    
Assets    
Nuclear decommissioning trusts 138 190
Recurring | Other | Equity securities | DTE Electric    
Assets    
Nuclear decommissioning trusts 138 190
Recurring | Other | Fixed income securities    
Assets    
Nuclear decommissioning trusts 89 102
Recurring | Other | Fixed income securities | DTE Electric    
Assets    
Nuclear decommissioning trusts $ 89 $ 102