CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating Revenues
Total operating revenues	$ 5,215	$ 4,533	$ 9,931	$ 8,839
Operating Expenses
Operating and maintenance	2,583	2,141	4,919	4,108
Wildfire-related claims, net of insurance recoveries	(5)	170	167	170
Wildfire Fund expense	118	173	237	173
Depreciation, amortization, and decommissioning	851	874	1,739	1,729
Total operating expenses	4,581	4,251	8,993	7,902
Operating Income	634	282	938	937
Interest income	15	12	17	28
Interest expense	(398)	(199)	(806)	(453)
Other income, net	128	100	255	197
Reorganization items, net	(11)	(1,624)	(11)	(1,800)
Income (Loss) Before Income Taxes	368	(1,429)	393	(1,091)
Income tax provision (benefit)	(33)	539	(131)	503
Net Income (Loss)	401	(1,968)	524	(1,594)
Preferred stock dividend requirement of subsidiary	4	4	7	7
Income (Loss) Attributable to Common Shareholders	$ 397	$ (1,972)	$ 517	$ (1,601)
Weighted Average Common Shares Outstanding, Basic (in shares)	1,985	529	1,985	529
Weighted Average Common Shares Outstanding, Diluted (in shares)	2,146	529	2,146	529
Net Income (Loss) Per Common Share, Basic (in dollars per share)	$ 0.20	$ (3.73)	$ 0.26	$ (3.03)
Net Income (Loss) Per Common Share, Diluted (in dollars per share)	$ 0.18	$ (3.73)	$ 0.24	$ (3.03)
Pacific Gas & Electric Co (Utility)
Operating Revenues
Total operating revenues	$ 5,215	$ 4,533	$ 9,931	$ 8,839
Operating Expenses
Operating and maintenance	2,581	2,145	4,912	4,110
Wildfire-related claims, net of insurance recoveries	(5)	170	167	170
Wildfire Fund expense	118	173	237	173
Depreciation, amortization, and decommissioning	851	874	1,739	1,729
Total operating expenses	4,579	4,255	8,986	7,904
Operating Income	636	278	945	935
Interest income	15	12	17	28
Interest expense	(342)	(189)	(690)	(441)
Other income, net	124	93	257	186
Reorganization items, net	(10)	(111)	(12)	(204)
Income (Loss) Before Income Taxes	423	83	517	504
Income tax provision (benefit)	(17)	556	(100)	526
Net Income (Loss)	440	(473)	617	(22)
Preferred stock dividend requirement of subsidiary	4	4	7	7
Income (Loss) Attributable to Common Shareholders	436	(477)	610	(29)
Electric
Operating Revenues
Total operating revenues	3,951	3,435	7,346	6,475
Operating Expenses
Cost of goods	847	759	1,437	1,304
Electric | Pacific Gas & Electric Co (Utility)
Operating Revenues
Total operating revenues	3,951	3,435	7,346	6,475
Operating Expenses
Cost of goods	847	759	1,437	1,304
Natural gas
Operating Revenues
Total operating revenues	1,264	1,098	2,585	2,364
Operating Expenses
Cost of goods	187	134	494	418
Natural gas | Pacific Gas & Electric Co (Utility)
Operating Revenues
Total operating revenues	1,264	1,098	2,585	2,364
Operating Expenses
Cost of goods	$ 187	$ 134	$ 494	$ 418