Balance Sheet Components - Other Property and Investments-Net and Other Non-current Assets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Balance Sheet Related Disclosures [Abstract]
Equity investments	$ 157	$ 153
Operating lease ROU assets	$ 66	$ 68
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total	Total
Finance lease ROU assets	$ 33	$ 36
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total	Total
Non-utility property	$ 33	$ 34
Notes receivable	16	15
Long-term prepaid license fees	18	19
Pension assets	35	33
Investment in affiliated trust	12	12
Deferred compensation assets	9	8
Other	20	16
Total	$ 399	$ 394