Consolidated Statement of Comprehensive Income (Unaudited) - Williams - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Revenues:
Revenues	$ 3,030	$ 3,048
Costs and expenses:
Operating and maintenance expenses	565	542
Depreciation, depletion, and amortization expenses	584	585
General and administrative expenses	193	194
Gain on sale of certain assets (Note 3)	(182)	0
Other operating (income) expense – net	(9)	(10)
Total costs and expenses	1,709	1,954
Operating income (loss)	1,321	1,094
Equity earnings (losses)	161	155
Other investing income (loss) – net	24	8
Interest expense	(376)	(349)
Other income (expense) – net	26	14
Income (loss) before income taxes	1,156	922
Less: Provision (benefit) for income taxes	244	193
Net income (loss)	912	729
Less: Net income (loss) attributable to noncontrolling interests	47	38
Net income (loss) attributable to The Williams Companies, Inc.	865	691
Less: Preferred stock dividends	1	1
Net income (loss) available to common stockholders	$ 864	$ 690
Basic earnings (loss) per common share:
Net income (loss) available to common stockholders - Basic	$ 0.71	$ 0.57
Weighted Average Number of Shares Outstanding, Basic	1,223	1,221
Diluted earnings (loss) per common share:
Net income (loss) available to common stockholders - Diluted	$ 0.70	$ 0.56
Weighted Average Number of Shares Outstanding, Diluted	1,226	1,225
Comprehensive income (loss):
Other Comprehensive Income (Loss), Net of Tax	$ (2)	$ 0
Comprehensive income (loss)	910	729
Less: Comprehensive income (loss) attributable to noncontrolling interests	47	38
Comprehensive income (loss) attributable to The Williams Companies, Inc.	863	691
Service [Member]
Revenues:
Revenues	2,206	2,003
NonRegulated Service Commodity Consideration [Member]
Revenues:
Revenues	46	49
Product [Member]
Revenues:
Revenues	1,137	1,058
Energy Commodities and Service
Revenues:
Revenues	(359)	(62)
Oil and Gas, Purchased [Member]
Costs and expenses:
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization	543	615
Natural Gas Purchased For Shrink [Member]
Costs and expenses:
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization	$ 15	$ 28