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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension and other postretirement benefit plans obligations, tax	$ 3	$ 6	$ 8
Net unrealized losses on available for sale securities, tax	0	3	3
Pacific Gas & Electric Co (Utility)
Pension and other postretirement benefit plans obligations, tax	3	5	2
Net unrealized losses on available for sale securities, tax	$ 0	$ 4	$ 3

X

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Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

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