CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS, UTILITY (Parenthetical) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Premium, discount, and issuance costs on proceeds from long-term debt	$ 13	$ 61
Issuance costs for short-term debt	1	0
AB 1054 Recovery Bonds
Financing fees	10	0
Pacific Gas & Electric Co (Utility)
Premium, discount, and issuance costs on proceeds from long-term debt	1	61
Issuance costs for short-term debt	1	0
Pacific Gas & Electric Co (Utility) | AB 1054 Recovery Bonds
Financing fees	$ 10	$ 0