CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash Flows from Financing Activities
Issuance costs for short-term debt	$ 0	$ 0	$ 1
Premium, discount, and issuance costs on proceeds from long-term debt	67	29	33
Performance based incentives earned	0	38	0
SB 901 Securitization
Cash Flows from Financing Activities
Financing fees	0	36	0
Series 2022-A Recovery Bonds
Cash Flows from Financing Activities
Financing fees	0	11	10
Convertible Notes Due 2027
Cash Flows from Financing Activities
Premium, discount, and issuance costs on proceeds from long-term debt	$ 27	$ 0	$ 0