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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Cash and cash equivalents $ 24 $ 90
Accounts receivable, less allowance for credit losses 717 710
Allowance for credit losses (28) (27)
Accrued unbilled revenues, allowance for credit loss (2) 2
Prepaid expense and other current assets 123 145
Regulatory assets $ 3,108 $ 2,513
Common Stock [Abstract]    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, authorized (in shares) 1,000,000,000 1,000,000,000
Common stock, outstanding (in shares) 651,727,276 631,225,829
Other current liabilities $ 525 $ 519
Variable Interest Entity, Primary Beneficiary    
Cash and cash equivalents 21 90
Accounts receivable, less allowance for credit losses 2 21
Accrued unbilled revenues, after allowance for credit losses, current 2 2
Prepaid expense and other current assets 2 15
Regulatory assets $ 313 $ 402