Other Income and Expense (Tables)

12 Months Ended

Dec. 31, 2014

Other Income and Expenses [Abstract]

Other Income and Expense [Table Text Block]

The following table presents certain gains or losses reflected in Other (income) expense – net within Costs and expenses in our Consolidated Statement of Income:

	Years Ended December 31,
	2014			2013			2012
	(Millions)
Williams Partners
Contingency gain settlement	$	(154	)	$	—		$	—
Impairment of certain materials and equipment (See Note 17)	40			—			—
Net gain related to partial acreage dedication release	(12		)	—			—
Amortization of regulatory assets associated with asset retirement obligations	33			30			7
Write-off of the Eminence abandonment regulatory asset not recoverable through rates	(3		)	12			—
Insurance recoveries associated with the Eminence abandonment	—			(16		)	—
Project feasibility costs	2			4			21
Capitalization of project feasibility costs previously expensed	(5		)	(1		)	(19		)
Loss associated with a producer claim	—			25			—
Access Midstream
Loss related to sale of certain assets	10			—			—
Impairment of certain materials and equipment held for sale (See Note 17)	12			—			—
Williams NGL & Petchem Services
Write-off of an abandoned project	—			20			—