CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 97	$ 733
Accounts receivable, net	2,484	2,326
Inventories	858	748
Other current assets	457	431
Total current assets	3,896	4,238
Property, plant and equipment
Property, plant and equipment	53,689	52,274
Accumulated depreciation and amortization	6,974	6,339
Net property, plant and equipment	46,715	45,935
Other assets
Investments in unconsolidated affiliates	2,446	2,316
Goodwill	8,097	8,091
Intangible assets, net	2,969	3,039
Other assets	401	450
Total other assets	13,913	13,896
Total assets	64,524	64,069
Current liabilities
Current maturities of long-term debt (Note E)	1,637	1,059
Short-term borrowings (Note E)	1,205	0
Accounts payable	2,453	2,187
Commodity imbalances	238	260
Accrued interest	474	511
Other current liabilities	639	702
Total current liabilities	6,646	4,719
Long-term debt, excluding current maturities	29,625	31,018
Deferred credits and other liabilities
Deferred income taxes	5,775	5,451
Other deferred credits	574	748
Total deferred credits and other liabilities	6,349	6,199
Commitments and contingencies (Note J)
Equity (Note F)
Preferred stock	0	0
Common stock	7	6
Paid-in capital	20,923	16,354
Accumulated other comprehensive loss	(63)	(96)
Retained earnings	1,765	1,579
Treasury stock, at cost	(802)	(807)
Total ONEOK shareholders' equity	21,830	17,036
Noncontrolling interests in consolidated subsidiaries	74	5,097
Total equity	21,904	22,133
Total liabilities and equity	$ 64,524	$ 64,069