Consolidated Statements of Operations - PAC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues	$ 25,150	$ 20,952	$ 19,844
Operating expenses:
Cost of fuel and energy	5,504	4,187	4,586
Operating income	5,327	4,291	4,150
Other income (expense):
Interest expense	(2,118)	(2,021)	(1,912)
Allowance for borrowed funds	64	80	77
Allowance for equity funds	126	165	173
Interest and dividend income	89	71	117
Other, net	(17)	88	97
Total other income (expense)	(33)	3,180	(1,736)
Income (loss) before income tax expense (benefit) and equity income (loss)	5,294	7,471	2,414
Income tax (benefit) expense	(1,132)	308	(598)
Net income (loss) attributable to parent	5,790	6,943	2,950
PAC
Revenues	5,296	5,341	5,068
Operating expenses:
Cost of fuel and energy	1,831	1,790	1,795
Operations and maintenance	1,031	1,209	1,048
Depreciation and amortization	1,088	1,209	954
Property and other taxes	213	209	199
Total operating expenses	4,163	4,417	3,996
Operating income	1,133	924	1,072
Other income (expense):
Interest expense	(430)	(426)	(401)
Allowance for borrowed funds	24	48	36
Allowance for equity funds	50	98	72
Interest and dividend income	24	10	21
Other, net	8	10	32
Total other income (expense)	(324)	(260)	(240)
Income (loss) before income tax expense (benefit) and equity income (loss)	809	664	832
Income tax (benefit) expense	(79)	(75)	61
Net income (loss) attributable to parent	$ 888	$ 739	$ 771