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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Accounts receivable and accrued revenue ALLOWANCE $ 22 $ 20
Notes receivable – current ALLOWANCE 33 33
Accounts and notes receivable – non-current ALLOWANCE $ 66 $ 0
Common stock, authorized (in shares) 350,000,000.0 350,000,000.0
Common stock, outstanding (in shares) 286,200,000 283,900,000
Consumers Energy Company    
Accounts receivable and accrued revenue ALLOWANCE $ 22 $ 20
Common stock, authorized (in shares) 125,000,000 125,000,000
Common stock, outstanding (in shares) 84,100,000 84,100,000
Preferred stock, par value (in dollars per share) $ 4.50 $ 4.50