CMS Energy Corporation Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Loss attributable to noncontrolling interests, including impairment charges | $ 0 | $ 102 | $ 0 | |
| Noncontrolling Interests | ||||
| Loss attributable to noncontrolling interests, including impairment charges | $ (102) | $ 0 | $ (102) | $ 0 |