? ? ? In Millions ? Three Months Ended Nine Months Ended ? September 30 2017 2016 2017 2016 ? CMS Energy, including Consumers ? Operating revenue ? Electric utility $ 1,247 $ 1,313 $ 3,360 $ 3,348 ? Gas utility 190 185 1,176 1,166 ? Enterprises 58 59 172 156 ? Other reconciling items 32 30 97 89 ? Total operating revenue  CMS Energy $ 1,527 $ 1,587 $ 4,805 $ 4,759 ? Consumers ? Operating revenue ? Electric utility $ 1,247 $ 1,313 $ 3,360 $ 3,348 ? Gas utility 190 185 1,176 1,166 ? Total operating revenue  Consumers $ 1,437 $ 1,498 $ 4,536 $ 4,514 ? CMS Energy, including Consumers ? Net income (loss) available to common stockholders ? Electric utility $ 176 $ 191 $ 394 $ 395 ? Gas utility 5 3 101 102 ? Enterprises 8 8 27 17 ? Other reconciling items (17) (16) (59) (40) ? Total net income available to common stockholders  CMS Energy $ 172 $ 186 $ 463 $ 474 ? Consumers ? Net income available to common stockholder ? Electric utility $ 176 $ 191 $ 394 $ 395 ? Gas utility 5 3 101 102 ? Other reconciling items - 1 - 1 ? Total net income available to common stockholder  Consumers $ 181 $ 195 $ 495 $ 498 ? ? ? ? In Millions ? September 30, 2017 December 31, 2016 ? CMS Energy, including Consumers ? Plant, property, and equipment, gross ? Electric utility 1 $ 15,056 $ 14,540 ? Gas utility 1 6,713 6,283 ? Enterprises 164 157 ? Other reconciling items 33 30 ? Total plant, property, and equipment, gross  CMS Energy $ 21,966 $ 21,010 ? Consumers ? Plant, property, and equipment, gross ? Electric utility 1 $ 15,056 $ 14,540 ? Gas utility 1 6,713 6,283 ? Other reconciling items 15 15 ? Total plant, property, and equipment, gross  Consumers $ 21,784 $ 20,838 ? CMS Energy, including Consumers ? Total assets ? Electric utility 1 $ 13,639 $ 13,429 ? Gas utility 1 6,701 6,446 ? Enterprises 280 269 ? Other reconciling items 1,500 1,478 ? Total assets  CMS Energy $ 22,120 $ 21,622 ? Consumers ? Total assets ? Electric utility 1 $ 13,640 $ 13,430 ? Gas utility 1 6,701 6,446 ? Other reconciling items 39 70 ? Total assets  Consumer