XML 85 R21.htm IDEA: XBRL DOCUMENT v3.2.0.727
Retirement Benefits and Trusteed Assets
 6 Months Ended
Jun. 30, 2015
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Retirement Benefits and Trusteed Assets
RETIREMENT BENEFITS AND TRUSTEED ASSETS
The following table details the components of net periodic benefit costs for pension benefits and other postretirement benefits for DTE Energy:
 
Pension Benefits
 
Other Postretirement Benefits
 
2015
 
2014
 
2015
 
2014
Three Months Ended June 30,
(In millions)
Service cost
$
24

 
$
22

 
$
8

 
$
9

Interest cost
53

 
52

 
21

 
22

Expected return on plan assets
(74
)
 
(68
)
 
(32
)
 
(30
)
Amortization of:
 
 
 
 
 
 
 
Net actuarial loss
52

 
38

 
11

 
6

Prior service cost (credit)
—

 
—

 
(32
)
 
(36
)
Net periodic benefit cost (credit)
$
55

 
$
44

 
$
(24
)
 
$
(29
)
 
Pension Benefits
 
Other Postretirement Benefits
 
2015
 
2014
 
2015
 
2014
Six Months Ended June 30,
(In millions)
Service cost
$
49

 
$
43

 
$
17

 
$
18

Interest cost
106

 
105

 
41

 
45

Expected return on plan assets
(148
)
 
(136
)
 
(65
)
 
(61
)
Amortization of:
 
 
 
 
 
 
 
Net actuarial loss
103

 
76

 
22

 
11

Prior service cost (credit)
—

 
—

 
(63
)
 
(72
)
Net periodic benefit cost (credit)
$
110

 
$
88

 
$
(48
)
 
$
(59
)
The following table details the components of net periodic benefit costs for pension benefits and other postretirement benefits for DTE Electric:
 
Pension Benefits
 
Other Postretirement Benefits
 
2015
 
2014
 
2015
 
2014
Three Months Ended June 30,
(In millions)
Service cost
$
18

 
$
17

 
$
6

 
$
6

Interest cost
41

 
40

 
15

 
17

Expected return on plan assets
(52
)
 
(49
)
 
(22
)
 
(21
)
Amortization of:
 
 
 
 
 
 
 
Net actuarial loss
36

 
26

 
8

 
5

Prior service cost (credit)
1

 
1

 
(23
)
 
(28
)
Net periodic benefit cost (credit)
$
44

 
$
35

 
$
(16
)
 
$
(21
)
 
Pension Benefits
 
Other Postretirement Benefits
 
2015
 
2014
 
2015
 
2014
Six Months Ended June 30,
(In millions)
Service cost
$
38

 
$
34

 
$
13

 
$
13

Interest cost
81

 
80

 
31

 
34

Expected return on plan assets
(105
)
 
(97
)
 
(45
)
 
(42
)
Amortization of:
 
 
 
 
 
 
 
Net actuarial loss
74

 
53

 
16

 
8

Prior service cost (credit)
1

 
1

 
(47
)
 
(55
)
Net periodic benefit cost (credit)
$
89

 
$
71

 
$
(32
)
 
$
(42
)
Pension and Other Postretirement Contributions
During the first six months of 2015, DTE Energy made cash contributions of $100 million, through contributions from DTE Electric, to its pension plans. At the discretion of management, and depending upon financial market conditions, DTE Energy may make up to $75 million of additional contributions, including up to $45 million of additional DTE Electric contributions, to its pension plans in 2015.
During 2015, DTE Energy contributed the following amounts of DTE Energy common stock to the DTE Energy Company Master VEBA Trust for funding its other postretirement benefit plans:
Date
 
Number of Shares
 
Price per Share
 
Amount
 
 
 
 
 
 
(In millions)
February 17, 2015
 
1,427,835
 
$81.91
 
$
117

 
 
 
 
 
 
$
117


The above contribution was made on behalf of DTE Electric, who paid DTE Energy cash consideration of $117 million in February 2015.
During 2015, DTE Energy also made cash contributions of $24 million, through contributions from DTE Gas, to the Master VEBA Trust for its other postretirement benefit plans. At the discretion of management, DTE Energy may make up to $60 million of additional contributions, including up to $60 million of additional DTE Electric contributions, to its other postretirement benefit plans in 2015.
Plan Changes
In 2015, certain executive retirement benefit plans were amended to transfer the obligation for benefits as attributed to DTE Energy Corporate Services, LLC (LLC), a subsidiary of DTE Energy. The related plan liabilities were transferred from DTE Electric and DTE Gas to LLC. The related Rabbi Trust assets were also transferred to DTE Energy from DTE Electric.