Earnings (Loss) Per Common Share from Continuing Operations (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Earnings (loss) per common share from continuing operations

	Three months ended    March 31,
	2014		2013
	(Dollars in millions, except per-share amounts; shares in thousands)
Income (loss) from continuing operations attributable to The Williams Companies, Inc. available to common stockholders for basic and diluted earnings (loss) per common share	$	140	$	162
Basic weighted-average shares	684,773		682,052
Effect of dilutive securities:
Nonvested restricted stock units	2,096		2,720
Stock options	2,017		2,187
Convertible debentures	18		184
Diluted weighted-average shares	688,904		687,143
Earnings (loss) per common share from continuing operations:
Basic	$	.20	$	.24
Diluted	$	.20	$	.23