CONSOLIDATED INCOME STATEMENT (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
OPERATING REVENUES
Total operating revenues	$ 4,060	$ 3,677
OPERATING EXPENSES
Depreciation and amortization	529	497
Taxes, other than income taxes	753	704
TOTAL OPERATING EXPENSES	3,261	2,817
OPERATING INCOME	799	860
OTHER INCOME (DEDUCTIONS)
Investment income (loss)	5	(161)
Other income	82	6
Allowance for equity funds used during construction	5	5
Other deductions	(2)	(36)
TOTAL OTHER INCOME (DEDUCTIONS)	90	(186)
INCOME BEFORE INTEREST AND INCOME TAX EXPENSE	889	674
INTEREST EXPENSE (INCOME)
Interest on long-term debt	241	227
Other interest income	(56)	(47)
Allowance for borrowed funds used during construction	(3)	(4)
NET INTEREST EXPENSE	182	176
INCOME BEFORE INCOME TAX EXPENSE	707	498
INCOME TAX EXPENSE	153	78
NET INCOME	554	420
(Loss) Income attributable to non-controlling interest	(48)	1
NET INCOME	$ 602	$ 419
Net income per common share - basic (dollars per share)	$ 1.70	$ 1.23
Net income per common share - diluted (dollars per share)	$ 1.70	$ 1.22
AVERAGE NUMBER OF SHARES OUTSTANDING-BASIC (shares)	354.1	342.2
AVERAGE NUMBER OF SHARES OUTSTANDING—DILUTED (shares)	355.1	343.0
Electric
OPERATING REVENUES
Total operating revenues	$ 2,250	$ 2,113
Gas
OPERATING REVENUES
Total operating revenues	1,250	1,076
OPERATING EXPENSES
Operating costs	443	296
Steam
OPERATING REVENUES
Total operating revenues	302	264
Non-utility
OPERATING REVENUES
Total operating revenues	258	224
Purchased power
OPERATING EXPENSES
Operating costs	487	437
Fuel
OPERATING EXPENSES
Operating costs	144	93
Other operations and maintenance
OPERATING EXPENSES
Operating costs	$ 905	$ 790