Balance Sheet Components Schedule of Other Asssets and Other Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Other current assets:
Prepaid Expense, Current	$ 81	$ 68
Margin Deposit Assets	125	92
Assets from price risk management activities	32	22
Other Assets, Current	238	182
Accrued expenses and other current liabilities:
Regulatory Liability, Current	53	48
Accrued employee compensation and benefits	80	74
Accrued interest payable	49	40
Dividends payable	57	51
Taxes Payable, Current	36	30
Derivative, Collateral, Obligation to Return Cash	5	5
Other	130	107
Other Liabilities, Current	$ 410	$ 355