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Financial and Other Derivative Instruments (Tables)
 12 Months Ended
Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Fair Value of Derivative Instruments
The following table presents the fair value of derivative instruments for DTE Energy:
 
December 31, 2019
 
December 31, 2018
 
Derivative
Assets
 
Derivative
Liabilities
 
Derivative
Assets
 
Derivative
Liabilities
 
(In millions)
Derivatives designated as hedging instruments
 
 
 
 
 
 
 
Interest rate contracts
$
—

 
$
—

 
$
—

 
$
(3
)
Derivatives not designated as hedging instruments
 
 
 
 
 
 
 
Commodity contracts
 
 
 
 
 
 
 
Natural gas
$
355

 
$
(351
)
 
$
349

 
$
(380
)
Electricity
306

 
(298
)
 
303

 
(285
)
Environmental & Other
113

 
(121
)
 
7

 
(1
)
Foreign currency exchange contracts
1

 
—

 
4

 
—

Total derivatives not designated as hedging instruments
$
775

 
$
(770
)
 
$
663

 
$
(666
)
 
 
 
 
 
 
 
 
Current
$
646

 
$
(596
)
 
$
563

 
$
(518
)
Noncurrent
129

 
(174
)
 
100

 
(151
)
Total derivatives
$
775

 
$
(770
)
 
$
663

 
$
(669
)

The following table presents the fair value of derivative instruments for DTE Electric:
 
December 31,
 
2019
 
2018
 
(In millions)
FTRs — Other current assets
$
3

 
$
6

Total derivatives not designated as hedging instruments
$
3

 
$
6
Offsetting Assets
The following table presents net cash collateral offsetting arrangements for DTE Energy:
 
December 31,
 
2019
 
2018
 
(In millions)
Cash collateral netted against Derivative assets
$
—

 
$
(17
)
Cash collateral recorded in Accounts receivable(a)
13

 
10

Cash collateral recorded in Accounts payable(a)
(3
)
 
(6
)
Total net cash collateral posted (received)
$
10

 
$
(13
)
_______________________________________
(a)
Amounts are recorded net by counterparty.
The following table presents the netting offsets of Derivative assets and liabilities for DTE Energy:
 
December 31, 2019
 
December 31, 2018
 
Gross Amounts of Recognized Assets (Liabilities)
 
Gross Amounts Offset in the Consolidated Statements of Financial Position
 
Net Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position
 
Gross Amounts of Recognized Assets (Liabilities)
 
Gross Amounts Offset in the Consolidated Statements of Financial Position
 
Net Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position
 
(In millions)
Derivative assets
 
 
 
 
 
 
 
 
 
 
 
Commodity contracts
 
 
 
 
 
 
 
 
 
 
 
Natural gas
$
355

 
$
(266
)
 
$
89

 
$
349

 
$
(277
)
 
$
72

Electricity
306

 
(225
)
 
81

 
303

 
(252
)
 
51

Environmental & Other
113

 
(110
)
 
3

 
7

 
(1
)
 
6

Foreign currency exchange contracts
1

 
—

 
1

 
4

 
—

 
4

Total derivative assets
$
775

 
$
(601
)
 
$
174

 
$
663

 
$
(530
)
 
$
133

 
 
 
 
 
 
 
 
 
 
 
 
Derivative liabilities
 
 
 
 
 
 
 
 
 
 
 
Commodity contracts
 
 
 
 
 
 
 
 
 
 
 
Natural gas
$
(351
)
 
$
266

 
$
(85
)
 
$
(380
)
 
$
272

 
$
(108
)
Electricity
(298
)
 
225

 
(73
)
 
(285
)
 
240

 
(45
)
Environmental & Other
(121
)
 
110

 
(11
)
 
(1
)
 
1

 
—

Interest rate contracts
—

 
—

 
—

 
(3
)
 
—

 
(3
)
Total derivative liabilities
$
(770
)
 
$
601

 
$
(169
)
 
$
(669
)
 
$
513

 
$
(156
)
Offsetting Liabilities
The following table presents net cash collateral offsetting arrangements for DTE Energy:
 
December 31,
 
2019
 
2018
 
(In millions)
Cash collateral netted against Derivative assets
$
—

 
$
(17
)
Cash collateral recorded in Accounts receivable(a)
13

 
10

Cash collateral recorded in Accounts payable(a)
(3
)
 
(6
)
Total net cash collateral posted (received)
$
10

 
$
(13
)
_______________________________________
(a)
Amounts are recorded net by counterparty.
The following table presents the netting offsets of Derivative assets and liabilities for DTE Energy:
 
December 31, 2019
 
December 31, 2018
 
Gross Amounts of Recognized Assets (Liabilities)
 
Gross Amounts Offset in the Consolidated Statements of Financial Position
 
Net Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position
 
Gross Amounts of Recognized Assets (Liabilities)
 
Gross Amounts Offset in the Consolidated Statements of Financial Position
 
Net Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position
 
(In millions)
Derivative assets
 
 
 
 
 
 
 
 
 
 
 
Commodity contracts
 
 
 
 
 
 
 
 
 
 
 
Natural gas
$
355

 
$
(266
)
 
$
89

 
$
349

 
$
(277
)
 
$
72

Electricity
306

 
(225
)
 
81

 
303

 
(252
)
 
51

Environmental & Other
113

 
(110
)
 
3

 
7

 
(1
)
 
6

Foreign currency exchange contracts
1

 
—

 
1

 
4

 
—

 
4

Total derivative assets
$
775

 
$
(601
)
 
$
174

 
$
663

 
$
(530
)
 
$
133

 
 
 
 
 
 
 
 
 
 
 
 
Derivative liabilities
 
 
 
 
 
 
 
 
 
 
 
Commodity contracts
 
 
 
 
 
 
 
 
 
 
 
Natural gas
$
(351
)
 
$
266

 
$
(85
)
 
$
(380
)
 
$
272

 
$
(108
)
Electricity
(298
)
 
225

 
(73
)
 
(285
)
 
240

 
(45
)
Environmental & Other
(121
)
 
110

 
(11
)
 
(1
)
 
1

 
—

Interest rate contracts
—

 
—

 
—

 
(3
)
 
—

 
(3
)
Total derivative liabilities
$
(770
)
 
$
601

 
$
(169
)
 
$
(669
)
 
$
513

 
$
(156
)
Netting Offsets of Derivative Assets and Liabilities Reconciliation to the Statements of Financial Position
The following table presents the netting offsets of Derivative assets and liabilities showing the reconciliation of derivative instruments to DTE Energy's Consolidated Statements of Financial Position:
 
December 31, 2019
 
December 31, 2018
 
Derivative Assets
 
Derivative Liabilities
 
Derivative Assets
 
Derivative Liabilities
 
Current
 
Noncurrent
 
Current
 
Noncurrent
 
Current
 
Noncurrent
 
Current
 
Noncurrent
 
(In millions)
Total fair value of derivatives
$
646

 
$
129

 
$
(596
)
 
$
(174
)
 
$
563

 
$
100

 
$
(518
)
 
$
(151
)
Counterparty netting
(513
)
 
(88
)
 
513

 
88

 
(451
)
 
(62
)
 
451

 
62

Collateral adjustment
—

 
—

 
—

 
—

 
(10
)
 
(7
)
 
—

 
—

Total derivatives as reported
$
133

 
$
41

 
$
(83
)
 
$
(86
)
 
$
102

 
$
31

 
$
(67
)
 
$
(89
)
Gain (Loss) Recognized in Income on Derivatives
The effect of derivatives not designated as hedging instruments on DTE Energy's Consolidated Statements of Operations is as follows:
 
 
Location of Gain (Loss) Recognized in Income on Derivatives
 
Gain (Loss) Recognized in Income on Derivatives for Years Ended December 31,
 
 
 
2019
 
2018
 
2017
 
 
 
 
(In millions)
Commodity contracts
 
 
 
 
 
 
 
 
Natural gas
 
Operating Revenues — Non-utility operations
 
$
44

 
$
(42
)
 
$
(74
)
Natural gas
 
Fuel, purchased power, and gas — non-utility
 
(5
)
 
(94
)
 
97

Electricity
 
Operating Revenues — Non-utility operations
 
44

 
49

 
105

Environmental & Other
 
Operating Revenues — Non-utility operations
 
(26
)
 
(1
)
 
2

Foreign currency exchange contracts
 
Operating Revenues — Non-utility operations
 
(2
)
 
7

 
(2
)
Total
 
 
 
$
55

 
$
(81
)
 
$
128
Volume of Commodity Contracts
The following represents the cumulative gross volume of DTE Energy's derivative contracts outstanding as of December 31, 2019:
Commodity
 
Number of Units
Natural gas (MMBtu)
 
1,699,804,805

Electricity (MWh)
 
31,351,229

Foreign currency exchange (CAD)
 
78,563,487