CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash Flows from Operating Activities
Net Income (Loss)	$ 2,256	$ 1,814	$ (88)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and decommissioning	3,738	3,856	3,403
Bad debt expense	636	143	154
Allowance for equity funds used during construction	(179)	(184)	(133)
Deferred income taxes and tax credits, net	(765)	(452)	1,783
Reorganization items, net	0	0	(73)
Wildfire Fund expense	568	477	517
Disallowed capital expenditures	0	15	0
Other	(116)	517	248
Effect of changes in operating assets and liabilities:
Accounts receivable	(369)	(757)	(589)
Wildfire-related insurance receivable	358	453	(723)
Inventories	(28)	(246)	(32)
Accounts payable	(90)	627	117
Wildfire-related claims	(489)	(810)	472
Other current assets and liabilities	397	17	244
Regulatory assets, liabilities, and balancing accounts, net	(429)	(1,131)	(2,266)
Contributions to Wildfire fund	(193)	(193)	(193)
Other noncurrent assets and liabilities	(548)	(425)	(579)
Net cash provided by operating activities	4,747	3,721	2,262
Cash Flows from Investing Activities
Capital expenditures	(9,714)	(9,584)	(7,689)
Proceeds from sale of SFGO	0	0	749
Proceeds from sales and maturities of nuclear decommissioning trust investments	2,235	3,316	1,678
Purchases of nuclear decommissioning trust investments	(2,252)	(3,208)	(1,702)
Proceeds from sales and maturities of customer credit trust investments	556	250	0
Purchases of customer credit trust investments	0	(1,022)	0
Other	13	34	59
Net cash used in investing activities	(9,162)	(10,214)	(6,905)
Cash Flows from Financing Activities
Borrowings under credit facilities	10,675	10,130	9,730
Repayments under credit facilities	(10,540)	(9,750)	(9,976)
Proceeds from debtor-in-possession credit facility	2,100	0	0
Repayments of debtor-in-possession credit facility	(2,181)	0	0
Credit facilities financing fees	0	0	(9)
Short-term debt financing, net of issuance costs of $0, $0, and $1 at respective dates	0	0	300
Short-term debt matured	0	(300)	(1,450)
Proceeds from issuance of long-term debt, net of premium, discount and issuance costs of $67, $29, and $33 at respective dates	5,483	4,271	4,624
Repayments of long-term debt	(3,075)	(5,968)	(87)
Proceeds from DWR loan, net of performance based incentives earned of $0, $38, and $0 at respective dates	0	312	0
Proceeds from issuance of convertible notes, net of discount and issuance costs of $27, $0, and $0 at respective dates	2,123	0	0
Proceeds from sale of future revenue from transmission tower license sales, net of fees	0	0	370
Other	(17)	53	(29)
Net cash provided by financing activities	4,400	7,133	4,323
Net change in cash, cash equivalents, and restricted cash	(15)	640	(320)
Cash, cash equivalents, and restricted cash at January 1	947	307	627
Cash, cash equivalents, and restricted cash at September 30	932	947	307
Less: Restricted cash and restricted cash equivalents	(297)	(213)	(16)
Cash and cash equivalents at September 30	635	734	291
Cash paid for:
Interest, net of amounts capitalized	(2,286)	(1,607)	(1,404)
Income taxes, net	0	0	99
Supplemental disclosures of noncash investing and financing activities
Capital expenditures financed through accounts payable	1,105	1,174	1,311
Operating lease liabilities arising from obtaining right-of-use assets	269	529	100
Financing lease liabilities arising from obtaining right-of-use assets	52	0	0
Reclassification of operating lease liabilities to financing lease liabilities	913	0	0
DWR loan forgiveness and performance-based disbursements	214	0	0
Changes to PG&E Corporation common stock and treasury stock in connection with the Share Exchange and Tax Matters Agreement	(2,517)	(2,337)	4,854
Common stock dividends declared but not yet paid	21	0	0
Series 2022-A Recovery Bonds
Cash Flows from Financing Activities
Proceeds from issuance of SB 901 recovery bonds, net of financing fees of $0 and $36 at respective dates	0	972	850
Repayments of recovery bonds	(38)	(18)	0
SB 901 Securitization
Cash Flows from Financing Activities
Proceeds from issuance of SB 901 recovery bonds, net of financing fees of $0 and $36 at respective dates	0	7,464	0
Repayments of recovery bonds	$ (130)	$ (33)	$ 0