Consolidated Statement of Income (Unaudited) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Service revenues	$ 825	$ 721	$ 1,644	$ 1,427
Product sales	853	1,046	1,783	2,150
Total revenues	1,678	1,767	3,427	3,577
Costs and expenses:
Product costs	724	801	1,493	1,591
Operating and maintenance expenses	308	291	606	551
Depreciation and amortization epxenses	214	198	428	399
Selling, general, and administrative expenses	136	123	286	255
Net insurance recoveries - Geismar Incident	(42)	0	(161)	0
Other (income) expense - net	27	4	44	5
Total costs and expenses	1,367	1,417	2,696	2,801
Operating income (loss)	311	350	731	776
Equity earnings (losses)	37	38	(11)	56
Interest incurred	(192)	(151)	(361)	(303)
Interest capitalized	29	24	58	48
Other investing income - net	18	39	32	52
Other income (expense) - net	4	2	5	0
Income (loss) from continuing operations before income taxes	207	302	454	629
Provision (benefit) for income taxes	84	102	135	198
Income (loss) from continuing operations	123	200	319	431
Income (loss) from discontinued operations	4	(8)	4	(9)
Net income (loss)	127	192	323	422
Less: Net income attributable to noncontrolling interests	24	50	80	119
Net income (loss) attributable to The Williams Companies, Inc.	103	142	243	303
Amounts attributable to The Williams Companies, Inc.:
Income (loss) from continuing operations	99	149	239	311
Income (loss) from discontinued operations	4	(7)	4	(8)
Net income (loss)	$ 103	$ 142	$ 243	$ 303
Basic earnings (loss) per common share:
Income (loss) from continuing operations	$ 0.14	$ 0.22	$ 0.34	$ 0.45
Income (loss) from discontinued operations	$ 0.01	$ (0.01)	$ 0.01	$ (0.01)
Net income (loss)	$ 0.15	$ 0.21	$ 0.35	$ 0.44
Weighted-average shares (thousands)	696,553	682,893	690,695	682,475
Diluted earnings (loss) per common share:
Income (loss) from continuing operations	$ 0.14	$ 0.22	$ 0.34	$ 0.45
Income (loss) from discontinued operations	$ 0.01	$ (0.01)	$ 0.01	$ (0.01)
Net income (loss)	$ 0.15	$ 0.21	$ 0.35	$ 0.44
Weighted-average shares (thousands)	700,696	686,924	694,832	686,855
Cash dividends declared per common share	$ 0.4250	$ 0.3525	$ 0.8275	$ 0.69125