|
Reportable Segments (Tables)
|
9 Months Ended |
|
Sep. 30, 2013
|
| Reconciliation Of Segments To Consolidated |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
In Millions
|
|
|
Three Months Ended
|
|
Nine Months Ended
|
|
|
September 30
|
2013
|
2012
|
|
2013
|
2012
|
|
|
CMS Energy, including Consumers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Operating revenue
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
1,188
|
|
$
|
1,239
|
|
|
$
|
3,175
|
|
$
|
3,073
|
|
|
Gas utility
|
|
|
198
|
|
|
209
|
|
|
|
1,472
|
|
|
1,332
|
|
|
Enterprises
|
|
|
44
|
|
|
44
|
|
|
|
136
|
|
|
136
|
|
|
Other
|
|
|
15
|
|
|
15
|
|
|
|
47
|
|
|
42
|
|
|
Total operating revenue – CMS Energy
|
|
$
|
1,445
|
|
$
|
1,507
|
|
|
$
|
4,830
|
|
$
|
4,583
|
|
|
Consumers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Operating revenue
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
1,188
|
|
$
|
1,239
|
|
|
$
|
3,175
|
|
$
|
3,073
|
|
|
Gas utility
|
|
|
198
|
|
|
209
|
|
|
|
1,472
|
|
|
1,332
|
|
|
Total operating revenue – Consumers
|
|
$
|
1,386
|
|
$
|
1,448
|
|
|
$
|
4,647
|
|
$
|
4,405
|
|
|
CMS Energy, including Consumers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net income (loss) available to common stockholders
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
156
|
|
$
|
165
|
|
|
$
|
315
|
|
$
|
297
|
|
|
Gas utility
|
|
|
(4)
|
|
|
(3)
|
|
|
|
97
|
|
|
61
|
|
|
Enterprises
|
|
|
(4)
|
|
|
5
|
|
|
|
1
|
|
|
9
|
|
|
Other
|
|
|
(22)
|
|
|
(19)
|
|
|
|
(63)
|
|
|
(52)
|
|
|
Total net income available to common
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
stockholders – CMS Energy
|
|
$
|
126
|
|
$
|
148
|
|
|
$
|
350
|
|
$
|
315
|
|
|
Consumers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net income (loss) available to common stockholder
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
156
|
|
$
|
165
|
|
|
$
|
315
|
|
$
|
297
|
|
|
Gas utility
|
|
|
(4)
|
|
|
(3)
|
|
|
|
97
|
|
|
61
|
|
|
Other
|
|
|
-
|
|
|
-
|
|
|
|
1
|
|
|
1
|
|
|
Total net income available to common
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
stockholder – Consumers
|
|
$
|
152
|
|
$
|
162
|
|
|
$
|
413
|
|
$
|
359
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
In Millions
|
|
|
September 30, 2013
|
December 31, 2012
|
|
|
CMS Energy, including Consumers
|
|
|
|
|
|
|
|
|
Plant, property, and equipment, gross
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
11,652
|
|
$
|
11,041
|
|
|
Gas utility
|
|
|
4,759
|
|
|
4,400
|
|
|
Enterprises
|
|
|
116
|
|
|
113
|
|
|
Other
|
|
|
39
|
|
|
38
|
|
|
Total plant, property, and equipment, gross – CMS Energy
|
|
$
|
16,566
|
|
$
|
15,592
|
|
|
Consumers
|
|
|
|
|
|
|
|
|
Plant, property, and equipment, gross
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
11,652
|
|
$
|
11,041
|
|
|
Gas utility
|
|
|
4,759
|
|
|
4,400
|
|
|
Other
|
|
|
15
|
|
|
15
|
|
|
Total plant, property, and equipment, gross – Consumers
|
|
$
|
16,426
|
|
$
|
15,456
|
|
|
CMS Energy, including Consumers
|
|
|
|
|
|
|
|
|
Total assets
|
|
|
|
|
|
|
|
|
Electric utility1
|
|
$
|
10,412
|
|
$
|
10,423
|
|
|
Gas utility1
|
|
|
5,039
|
|
|
5,016
|
|
|
Enterprises
|
|
|
188
|
|
|
181
|
|
|
Other
|
|
|
1,347
|
|
|
1,511
|
|
|
Total assets – CMS Energy
|
|
$
|
16,986
|
|
$
|
17,131
|
|
|
Consumers
|
|
|
|
|
|
|
|
|
Total assets
|
|
|
|
|
|
|
|
|
Electric utility1
|
|
$
|
10,412
|
|
$
|
10,423
|
|
|
Gas utility1
|
|
|
5,039
|
|
|
5,016
|
|
|
Other
|
|
|
643
|
|
|
836
|
|
|
Total assets – Consumers
|
|
$
|
16,094
|
|
$
|
16,275
|
|
Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.
|
|
Consumers Energy Company [Member]
|
|
| Reconciliation Of Segments To Consolidated |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
In Millions
|
|
|
Three Months Ended
|
|
Nine Months Ended
|
|
|
September 30
|
2013
|
2012
|
|
2013
|
2012
|
|
|
CMS Energy, including Consumers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Operating revenue
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
1,188
|
|
$
|
1,239
|
|
|
$
|
3,175
|
|
$
|
3,073
|
|
|
Gas utility
|
|
|
198
|
|
|
209
|
|
|
|
1,472
|
|
|
1,332
|
|
|
Enterprises
|
|
|
44
|
|
|
44
|
|
|
|
136
|
|
|
136
|
|
|
Other
|
|
|
15
|
|
|
15
|
|
|
|
47
|
|
|
42
|
|
|
Total operating revenue – CMS Energy
|
|
$
|
1,445
|
|
$
|
1,507
|
|
|
$
|
4,830
|
|
$
|
4,583
|
|
|
Consumers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Operating revenue
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
1,188
|
|
$
|
1,239
|
|
|
$
|
3,175
|
|
$
|
3,073
|
|
|
Gas utility
|
|
|
198
|
|
|
209
|
|
|
|
1,472
|
|
|
1,332
|
|
|
Total operating revenue – Consumers
|
|
$
|
1,386
|
|
$
|
1,448
|
|
|
$
|
4,647
|
|
$
|
4,405
|
|
|
CMS Energy, including Consumers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net income (loss) available to common stockholders
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
156
|
|
$
|
165
|
|
|
$
|
315
|
|
$
|
297
|
|
|
Gas utility
|
|
|
(4)
|
|
|
(3)
|
|
|
|
97
|
|
|
61
|
|
|
Enterprises
|
|
|
(4)
|
|
|
5
|
|
|
|
1
|
|
|
9
|
|
|
Other
|
|
|
(22)
|
|
|
(19)
|
|
|
|
(63)
|
|
|
(52)
|
|
|
Total net income available to common
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
stockholders – CMS Energy
|
|
$
|
126
|
|
$
|
148
|
|
|
$
|
350
|
|
$
|
315
|
|
|
Consumers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net income (loss) available to common stockholder
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
156
|
|
$
|
165
|
|
|
$
|
315
|
|
$
|
297
|
|
|
Gas utility
|
|
|
(4)
|
|
|
(3)
|
|
|
|
97
|
|
|
61
|
|
|
Other
|
|
|
-
|
|
|
-
|
|
|
|
1
|
|
|
1
|
|
|
Total net income available to common
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
stockholder – Consumers
|
|
$
|
152
|
|
$
|
162
|
|
|
$
|
413
|
|
$
|
359
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
In Millions
|
|
|
September 30, 2013
|
December 31, 2012
|
|
|
CMS Energy, including Consumers
|
|
|
|
|
|
|
|
|
Plant, property, and equipment, gross
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
11,652
|
|
$
|
11,041
|
|
|
Gas utility
|
|
|
4,759
|
|
|
4,400
|
|
|
Enterprises
|
|
|
116
|
|
|
113
|
|
|
Other
|
|
|
39
|
|
|
38
|
|
|
Total plant, property, and equipment, gross – CMS Energy
|
|
$
|
16,566
|
|
$
|
15,592
|
|
|
Consumers
|
|
|
|
|
|
|
|
|
Plant, property, and equipment, gross
|
|
|
|
|
|
|
|
|
Electric utility
|
|
$
|
11,652
|
|
$
|
11,041
|
|
|
Gas utility
|
|
|
4,759
|
|
|
4,400
|
|
|
Other
|
|
|
15
|
|
|
15
|
|
|
Total plant, property, and equipment, gross – Consumers
|
|
$
|
16,426
|
|
$
|
15,456
|
|
|
CMS Energy, including Consumers
|
|
|
|
|
|
|
|
|
Total assets
|
|
|
|
|
|
|
|
|
Electric utility1
|
|
$
|
10,412
|
|
$
|
10,423
|
|
|
Gas utility1
|
|
|
5,039
|
|
|
5,016
|
|
|
Enterprises
|
|
|
188
|
|
|
181
|
|
|
Other
|
|
|
1,347
|
|
|
1,511
|
|
|
Total assets – CMS Energy
|
|
$
|
16,986
|
|
$
|
17,131
|
|
|
Consumers
|
|
|
|
|
|
|
|
|
Total assets
|
|
|
|
|
|
|
|
|
Electric utility1
|
|
$
|
10,412
|
|
$
|
10,423
|
|
|
Gas utility1
|
|
|
5,039
|
|
|
5,016
|
|
|
Other
|
|
|
643
|
|
|
836
|
|
|
Total assets – Consumers
|
|
$
|
16,094
|
|
$
|
16,275
|
|
Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.
|