Consolidated Statement of Income (Unaudited) - USD ($) shares in Thousands, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Revenues		$ 2,483	$ 2,490	$ 5,564	$ 5,014
Costs and expenses:
Operating and maintenance expenses		481	465	944	859
Depreciation and amortization expenses		515	506	1,021	1,004
Selling, general, and administrative expenses		161	160	337	314
Other (income) expense – net		(9)	(10)	(40)	(19)
Total costs and expenses		1,613	2,018	3,334	3,888
Operating income (loss)		870	472	2,230	1,126
Equity earnings (losses)		160	163	307	299
Other investing income (loss) – net		13	2	21	3
Interest incurred		(319)	(286)	(623)	(575)
Interest capitalized		13	5	23	8
Other income (expense) – net		19	6	39	11
Income (loss) before income taxes		756	362	1,997	872
Less: Provision (benefit) for income taxes		175	(45)	459	73
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		581	407	1,538	799
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		(87)	0	(87)	0
Net income (loss)		494	407	1,451	799
Less: Net income (loss) attributable to noncontrolling interests		34	7	64	19
Net income (loss) attributable to The Williams Companies, Inc.		460	400	1,387	780
Less: Preferred stock dividends		0	0	1	1
Net income (loss) available to common stockholders		460	400	1,386	779
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent		547	400	1,473	779
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent		$ (87)	$ 0	$ (87)	$ 0
Basic earnings (loss) per common share:
Income (Loss) from Continuing Operations, Per Basic Share		$ 0.45	$ 0.33	$ 1.21	$ 0.64
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share		(0.07)	0	(0.07)	0
Net income (loss) available to common stockholders		$ 0.38	$ 0.33	$ 1.14	$ 0.64
Weighted-average shares (thousands)		1,217,673	1,218,678	1,218,564	1,217,814
Diluted earnings (loss) per common share:
Income (Loss) from Continuing Operations, Per Diluted Share		$ 0.45	$ 0.33	$ 1.20	$ 0.64
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share		(0.07)	0	(0.07)	0
Net income (loss) available to common stockholders		$ 0.38	$ 0.33	$ 1.13	$ 0.64
Weighted-average shares (thousands)		1,219,915	1,222,694	1,223,429	1,221,991
Service [Member]
Revenues:
Revenues		$ 1,748	$ 1,606	$ 3,442	$ 3,143
NonRegulated Service Commodity Consideration [Member]
Revenues:
Revenues		27	86	63	163
Product [Member]
Revenues:
Revenues		593	1,111	1,438	2,215
Energy Commodities and Service
Revenues:
Revenues	[1]	115	(313)	621	(507)
Oil and Gas, Purchased [Member]
Costs and expenses:
Product costs		421	857	974	1,660
Natural Gas Purchased For Shrink [Member]
Costs and expenses:
Product costs		$ 44	$ 40	$ 98	$ 70

[1] We record transactions that qualify as derivatives at fair value with changes in fair value recognized in earnings in the period of change and characterized as unrealized gains or losses. Gains and losses on derivatives held for energy trading purposes are presented on a net basis in revenue.