Consolidated Income Statement - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
OPERATING REVENUES
TOTAL OPERATING REVENUES	$ 14,663	$ 15,670	$ 13,676
OPERATING EXPENSES
Depreciation and amortization	2,031	2,056	2,032
Taxes, other than income taxes	3,043	3,005	2,810
TOTAL OPERATING EXPENSES	12,332	13,046	10,850
Gain on sale of the Clean Energy Businesses	865	0	0
OPERATING INCOME	3,196	2,624	2,826
OTHER INCOME (DEDUCTIONS)
Investment income (loss)	62	20	(420)
Other income	834	402	22
Allowance for equity funds used during construction	26	19	21
Other deductions	(92)	(115)	(161)
TOTAL OTHER INCOME (DEDUCTIONS)	830	326	(538)
INCOME BEFORE INTEREST AND INCOME TAX EXPENSE	4,026	2,950	2,288
INTEREST EXPENSE (INCOME)
Interest on long-term debt	962	987	930
Other interest expense (income)	113	(99)	(14)
Allowance for borrowed funds used during construction	(52)	(36)	(11)
NET INTEREST EXPENSE	1,023	852	905
INCOME BEFORE INCOME TAX EXPENSE	3,003	2,098	1,383
INCOME TAX EXPENSE	487	498	190
NET INCOME	2,516	1,600	1,193
Loss attributable to non-controlling interest	(3)	(60)	(153)
NET INCOME FOR COMMON STOCK	$ 2,519	$ 1,660	$ 1,346
Net income per common share — basic (in dollars per share)	$ 7.25	$ 4.68	$ 3.86
Net income per common share — diluted (in dollars per share)	$ 7.21	$ 4.66	$ 3.85
AVERAGE NUMBER OF SHARES OUTSTANDING — BASIC (in shares)	347.7	354.5	348.4
AVERAGE NUMBER OF SHARES OUTSTANDING — DILUTED (in shares)	349.3	355.8	349.4
Electric
OPERATING REVENUES
TOTAL OPERATING REVENUES	$ 10,835	$ 10,522	$ 9,485
Gas
OPERATING REVENUES
TOTAL OPERATING REVENUES	3,127	3,237	2,638
OPERATING EXPENSES
Operating costs	829	1,245	690
Steam
OPERATING REVENUES
TOTAL OPERATING REVENUES	569	593	532
Non-utility
OPERATING REVENUES
TOTAL OPERATING REVENUES	132	1,318	1,021
Purchased power
OPERATING EXPENSES
Operating costs	2,541	2,479	1,835
Fuel
OPERATING EXPENSES
Operating costs	282	356	229
Other operations and maintenance
OPERATING EXPENSES
Operating costs	$ 3,606	$ 3,905	$ 3,254