Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating revenue:
Total operating revenue	$ 6,064	$ 4,612	$ 12,145	$ 9,139
Energy:
Cost of sales	1,110	888	2,679	1,926
Operations and maintenance	1,037	794	1,971	1,531
Depreciation and amortization	936	725	1,851	1,534
Property and other taxes	189	153	399	304
Real estate	1,584	1,116	2,704	1,989
Total operating expenses	4,856	3,676	9,604	7,284
Operating income	1,208	936	2,541	1,855
Other income (expense):
Interest expense	(532)	(503)	(1,062)	(986)
Capitalized interest	14	19	28	36
Allowance for equity funds	30	38	56	72
Interest and dividend income	26	20	47	40
Gains on marketable securities, net	1,966	583	848	610
Other, net	48	52	56	25
Total other income (expense)	1,552	209	(27)	(203)
Income (loss) before income tax expense (benefit) and equity income (loss)	2,760	1,145	2,514	1,652
Income tax expense (benefit)	327	(7)	(208)	(191)
Equity loss	(50)	(32)	(229)	(50)
Net income	2,383	1,120	2,493	1,793
Net income attributable to noncontrolling interests	102	4	208	7
Net income (loss) attributable to parent	2,281	1,116	2,285	1,786
Preferred dividends	37	0	75	0
Earnings on common shares	2,244	1,116	2,210	1,786
Energy
Operating revenue:
Total operating revenue	4,301	3,419	9,150	7,053
Real estate
Operating revenue:
Total operating revenue	$ 1,763	$ 1,193	$ 2,995	$ 2,086