In Millions Three Months Ended Six Months Ended June 30 2014 2013 2014 2013 CMS Energy, including Consumers Operating revenue Electric utility $ 1,051 $ 1,026 $ 2,275 $ 1,987 Gas utility 335 316 1,493 1,274 Enterprises 62 48 184 92 Other 20 16 39 32 Total operating revenue   CMS Energy $ 1,468 $ 1,406 $ 3,991 $ 3,385 Consumers Operating revenue Electric utility $ 1,051 $ 1,026 $ 2,275 $ 1,987 Gas utility 335 316 1,493 1,274 Other 1 - 1 - Total operating revenue   Consumers $ 1,387 $ 1,342 $ 3,769 $ 3,261 CMS Energy, including Consumers Net income (loss) available to common stockholders Electric utility $ 98 $ 93 $ 198 $ 159 Gas utility 9 5 130 101 Enterprises 2 1 4 5 Other (26) (19) (45) (41) Total net income available to common stockholders   CMS Energy $ 83 $ 80 $ 287 $ 224 Consumers Net income available to common stockholder Electric utility $ 98 $ 93 $ 198 $ 159 Gas utility 9 5 130 101 Other 1 1 1 1 Total net income available to common stockholder   Consumers $ 108 $ 99 $ 329 $ 261 In Millions June 30, 2014 December 31, 2013 CMS Energy, including Consumers Plant, property, and equipment, gross Electric utility 1 $ 11,424 $ 11,186 Gas utility 1 5,002 4,843 Enterprises 116 115 Other 41 40 Total plant, property, and equipment, gross   CMS Energy $ 16,583 $ 16,184 Consumers Plant, property, and equipment, gross Electric utility 1 $ 11,424 $ 11,186 Gas utility 1 5,002 4,843 Other 15 15 Total plant, property, and equipment, gross   Consumers $ 16,441 $ 16,044 CMS Energy, including Consumers Total assets Electric utility 1 $ 10,787 $ 10,487 Gas utility 1 4,837 4,784 Enterprises 314 332 Other 1,781 1,813 Total assets   CMS Energy $ 17,719 $ 17,416 Consumers Total assets Electric utility 1 $ 10,787 $ 10,487 Gas utility 1 4,837 4,784 Other 763 908 Total assets   Consumers $ 16,387 $ 16,179 1 Amounts include a portion of Consumers  other common assets attributable to both the electric and gas utility businesses .