Consolidated Statement of Operations (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Service revenues	$ 1,282	$ 1,202	$ 2,543	$ 2,431
Product sales	642	534	1,369	965
Total revenues	1,924	1,736	3,912	3,396
Costs and expenses:
Product costs	537	401	1,116	719
Operating and maintenance expenses	389	394	757	785
Depreciation and amortization expenses	433	446	875	891
Selling, general, and administrative expenses	153	158	314	379
Impairment of certain assets	25	802	26	810
Other (income) expense – net	6	23	10	38
Total costs and expenses	1,543	2,224	3,098	3,622
Operating income (loss)	381	(488)	814	(226)
Equity earnings (losses)	125	101	232	198
Impairment of equity-method investments (Note 11)	0	0	0	(112)
Other investing income (loss) – net (Note 4)	2	18	274	36
Interest incurred	(280)	(306)	(567)	(612)
Interest capitalized	9	8	16	23
Other income (expense) – net	21	17	95	32
Income (loss) before income taxes	258	(650)	864	(661)
Provision (benefit) for income taxes	65	(145)	102	(143)
Net income (loss)	193	(505)	762	(518)
Less: Net income (loss) attributable to noncontrolling interests	112	(100)	308	(48)
Net income (loss) attributable to The Williams Companies, Inc.	$ 81	$ (405)	$ 454	$ (470)
Basic earnings (loss) per common share:
Net income (loss)	$ 0.10	$ (0.54)	$ 0.55	$ (0.63)
Weighted-average shares (thousands)	826,426	750,649	825,492	750,491
Diluted earnings (loss) per common share:
Net income (loss)	$ 0.10	$ (0.54)	$ 0.55	$ (0.63)
Weighted-average shares (thousands)	828,575	750,649	827,531	750,491
Cash dividends declared per common share	$ 0.30	$ 0.64	$ 0.60	$ 1.28