Consolidated Statement of Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Service revenues	$ 1,351	$ 1,261
Service revenues – commodity consideration (Note 2)	101	0
Product sales	636	727
Total revenues	2,088	1,988
Costs and expenses:
Product costs	613	579
Processing commodity expenses (Note 2)	35	0
Operating and maintenance expenses	357	371
Depreciation and amortization expenses	431	442
Selling, general, and administrative expenses	132	161
Other (income) expense – net	29	5
Total costs and expenses	1,597	1,558
Operating income (loss)	491	430
Equity earnings (losses)	82	107
Other investing income (loss) – net (Note 4)	4	272
Interest incurred	(282)	(287)
Interest capitalized	9	7
Other income (expense) – net	21	77
Income (loss) before income taxes	325	606
Provision (benefit) for income taxes	55	37
Net income (loss)	270	569
Less: Net income (loss) attributable to noncontrolling interests	118	196
Net income (loss) attributable to The Williams Companies, Inc.	$ 152	$ 373
Basic earnings (loss) per common share:
Net income (loss)	$ 0.18	$ 0.45
Weighted-average shares (thousands)	827,509	824,548
Diluted earnings (loss) per common share:
Net income (loss)	$ 0.18	$ 0.45
Weighted-average shares (thousands)	830,197	826,476
Cash dividends declared per common share	$ 0.34	$ 0.30