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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Cash and cash equivalents | $ 93 | $ 24
Accounts receivable, less allowance for credit losses | 798 | 717
Allowance for credit losses | 28 | 28
Accrued unbilled revenues, allowance for credit losses | 1 | 2
Prepaid expenses and other current assets | 102 | 123
Regulatory assets | $ 3,088 | $ 3,108
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) | 652,814,271 | 651,727,276
Variable Interest Entity, Primary Beneficiary |  |
Cash and cash equivalents | $ 22 | $ 21
Accounts receivable, less allowance for credit losses | 1 | 2
Accrued unbilled revenues, after allowance for credit losses, current | 2 | 2
Prepaid expenses and other current assets | 2 | 2
Regulatory assets | $ 305 | $ 313

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