Balance Sheet Components Schedule of Other Asssets and Other Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Other current assets:
Prepaid Expense, Current	$ 69	$ 66
Margin Deposit Assets	116	37
Assets from price risk management activities	313	102
Other Assets, Current	498	205
Accrued expenses and other current liabilities:
Regulatory Liability, Current	234	106
Accrued employee compensation and benefits	66	67
Accrued interest payable	31	29
Dividends payable	42	40
Taxes Payable, Current	29	46
Derivative, Collateral, Obligation to Return Cash	140	58
Other	99	111
Other Liabilities, Current	$ 641	$ 457