CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash Flows from Operating Activities
Net Income (Loss)	$ 1,814	$ (88)	$ (1,304)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and decommissioning	3,856	3,403	3,468
Bad debt expense	143	154	150
Allowance for equity funds used during construction	(184)	(133)	(140)
Deferred income taxes and tax credits, net	(452)	1,783	1,097
Reorganization items, net	0	(73)	1,458
Wildfire Fund expense	477	517	413
Disallowed capital expenditures	15	0	17
Other	517	248	249
Effect of changes in operating assets and liabilities:
Accounts receivable	(757)	(589)	(1,182)
Wildfire-related insurance receivable	453	(723)	1,564
Inventories	(246)	(32)	6
Accounts payable	627	117	58
Wildfire-related claims	(810)	472	(16,525)
Other current assets and liabilities	17	244	(1,079)
Regulatory assets, liabilities, and balancing accounts, net	(1,131)	(2,266)	(2,451)
Liabilities subject to compromise	0	0	413
Contributions to Wildfire fund	(193)	(193)	(5,200)
Other noncurrent assets and liabilities	(425)	(579)	(142)
Net cash provided by operating activities	3,721	2,262	(19,130)
Cash Flows from Investing Activities
Capital expenditures	(9,584)	(7,689)	(7,690)
Proceeds from sale of SFGO	0	749	0
Proceeds from sales and maturities of nuclear decommissioning trust investments	3,316	1,678	1,518
Purchases of nuclear decommissioning trust investments	(3,208)	(1,702)	(1,590)
Proceeds from sales and maturities of customer credit trust investments	250	0	0
Purchases of customer credit trust investments	(1,022)	0	0
Other	34	59	14
Net cash used in investing activities	(10,214)	(6,905)	(7,748)
Cash Flows from Financing Activities
Proceeds from debtor-in-possession credit facility	0	0	500
Repayments of debtor-in-possession credit facility	0	0	(2,000)
Debtor-in-possession credit facility debt issuance costs	0	0	(6)
Bridge facility financing fees	0	0	(73)
Borrowings under credit facilities	10,130	9,730	8,554
Repayments under credit facilities	(9,750)	(9,976)	(3,949)
Credit facilities financing fees	0	(9)	(22)
Short-term debt financing, net of issuance costs of $0, $1, and $2 at respective dates	0	300	1,448
Short-term debt matured	(300)	(1,450)	0
Proceeds from issuance of long-term debt, net of premium, discount and issuance costs of $29, $33, and $178 at respective dates	4,271	4,624	13,497
Repayment of long-term debt	(5,968)	(87)	(764)
Proceeds from DWR loan, net of performance based incentives earned of $38, $0, and $0 at respective dates	312	0	0
Proceeds from sale of future revenue from transmission tower license sales, net of fees	0	370	0
Exchanged debt financing fees	0	0	(103)
Common stock issued	0	0	7,582
Equity Units issued	0	0	1,304
Other	53	(29)	(40)
Net cash provided by financing activities	7,133	4,323	25,928
Net change in cash, cash equivalents, and restricted cash	640	(320)	(950)
Cash, cash equivalents, and restricted cash at January 1	307	627	1,577
Cash, cash equivalents, and restricted cash at December 31	947	307	627
Less: Restricted cash and restricted cash equivalents	(213)	(16)	(143)
Cash and cash equivalents at December 31	734	291	484
Cash received (paid) for:
Interest, net of amounts capitalized	(1,607)	(1,404)	(1,563)
Income taxes, net	0	99	0
Supplemental disclosures of noncash investing and financing activities
Capital expenditures financed through accounts payable	1,174	1,311	515
Operating lease liabilities arising from obtaining ROU assets	529	100	13
Common stock issued in satisfaction of liabilities	0	0	8,276
Increase to PG&E Corporation common stock and treasury stock in connection with the Share Exchange and Tax Matters Agreement	(2,337)	4,854	0
SB 901 Securitization
Cash Flows from Financing Activities
Proceeds from issuance of recovery bonds	7,464	0	0
Repayments of recovery bonds	(33)	0	0
Series 2022-A Recovery Bonds
Cash Flows from Financing Activities
Proceeds from issuance of recovery bonds	972	850	0
Repayments of recovery bonds	$ (18)	$ 0	$ 0