CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities
Net income	$ 805,549	$ 728,315
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	311,615	314,041
Equity in net earnings from investments	(71,970)	(59,040)
Distributions received from unconsolidated affiliates	71,488	58,486
Deferred income taxes	227,897	226,963
Other, net	44,584	39,837
Changes in assets and liabilities:
Accounts receivable	(339,729)	(268,541)
NGLs and natural gas in storage, net of commodity imbalances	(164,890)	(171,654)
Accounts payable	568,705	363,694
Risk-management assets and liabilities	(130,873)	(158,927)
Other assets and liabilities, net	(72,792)	4,809
Cash provided by operating activities	1,249,584	1,077,983
Investing activities
Capital expenditures (less allowance for equity funds used during construction)	(559,310)	(324,122)
Distributions received from unconsolidated affiliates in excess of cumulative earnings	13,375	11,695
Other, net	3,148	(12,138)
Cash used in investing activities	(542,787)	(324,565)
Financing activities
Dividends paid	(835,309)	(833,083)
Issuance of long-term debt	120,000	0
Repayment of long-term debt	0	(68,787)
Other, net	(2,105)	(1,667)
Cash used in financing activities	(717,414)	(903,537)
Change in cash and cash equivalents	(10,617)	(150,119)
Cash and cash equivalents at beginning of period	146,391	524,496
Cash and cash equivalents at end of period	$ 135,774	$ 374,377