Statement of Net Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Revenues:
Revenues	$ 715,566	$ 771,580	$ 2,149,244	$ 2,167,772
Operating Costs and Expenses:
Cost of natural gas sales	34,676	80,678	112,347	139,694
Operation and maintenance	138,002	148,812	383,380	389,127
General and administrative	48,942	57,640	156,620	166,279
Depreciation and amortization	135,539	126,189	388,474	389,421
Taxes — other than income taxes	25,747	24,822	79,888	77,663
Regulatory charge (credit) resulting from tax rate changes	(7,688)	6,336	(23,064)	(9,040)
Other (income) expense, net	(6,802)	15,307	(10,280)	(2,941)
Total operating costs and expenses	368,416	459,784	1,087,365	1,150,203
Operating Income	347,150	311,796	1,061,879	1,017,569
Other (Income) and Other Expenses:
Interest expense	80,945	81,465	243,083	246,086
Interest income	(22,827)	(12,070)	(66,214)	(17,714)
Allowance for equity and borrowed funds used during construction (AFUDC)	(21,978)	(7,687)	(55,510)	(18,337)
Miscellaneous other (income) expense, net	1,900	2,897	2,997	6,355
Total other (income) and other expenses	38,040	64,605	124,356	216,390
Net Income	309,110	247,191	937,523	801,179
Natural gas transportation
Operating Revenues:
Revenues	629,605	635,274	1,871,743	1,870,854
Natural gas storage
Operating Revenues:
Revenues	46,313	49,629	139,117	142,946
Natural gas sales
Operating Revenues:
Revenues	34,676	80,678	112,347	139,694
Other
Operating Revenues:
Revenues	$ 4,972	$ 5,999	$ 26,037	$ 14,278