Note 2 - Significant Accounting Policies and Methods of Application (Tables)

6 Months Ended

Jun. 30, 2013

Significant Accounting Policies [Text Block]

Schedule of Inventory Lower of Cost or Market Adjustment [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
In millions	2013		2012		2013		2012
Retail operations	$	-	$	-	$	-	$	3
Wholesale services		8		-		8		18
Midstream operations		-		-		-		1

Schedule of Regulatory Assets [Table Text Block]

In millions	June 30, 2013		December 31, 2012		June 30, 2012
Regulatory assets
Recoverable regulatory infrastructure program costs	$	46	$	47	$	47
Recoverable environmental remediation costs		27		38		30
Recoverable pension and retiree welfare benefit costs		19		19		27
Other regulatory assets		28		41		42
Total regulatory assets - current		120		145		146
Recoverable environmental remediation costs		458		438		428
Recoverable pension and retiree welfare benefit costs		188		196		232
Recoverable regulatory infrastructure program costs		116		167		268
Long-term debt fair value adjustment		86		90		94
Other regulatory assets		50		53		61
Total regulatory assets - long-term		898		944		1,083
Total regulatory assets	$	1,018	$	1,089	$	1,229
Regulatory liabilities
Accrued natural gas costs	$	130	$	93	$	73
Bad debt rider		39		37		31
Accumulated removal costs		17		16		14
Other regulatory liabilities		30		15		19
Total regulatory liabilities - current		216		161		137
Accumulated removal costs		1,431		1,393		1,366
Unamortized investment tax credit		27		29		31
Regulatory income tax liability		26		27		25
Bad debt rider		20		17		18
Other regulatory liabilities		6		11		13
Total regulatory liabilities - long-term		1,510		1,477		1,453
Total regulatory liabilities	$	1,726	$	1,638	$	1,590

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
In millions	2013		2012		2013		2012
Equity investment income (1)	$	2	$	5	$	5	$	8
Allowance for funds used during construction (AFUDC) - equity		3		1		6		2
Other, net		2		3		1		3
Total other income	$	7	$	9	$	12	$	13

Schedule of Weighted Average Number of Shares [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
In millions (except per share amounts)	2013		2012		2013		2012
Net income attributable to AGL Resources Inc.	$	49	$	34	$	203	$	164
Denominator:
Basic weighted average number of shares outstanding (1)		117.8		116.9		117.6		116.8
Effect of dilutive securities		0.4		0.3		0.3		0.3
Diluted weighted average number of shares outstanding		118.2		117.2		117.9		117.1
Earnings per share:
Basic	$	0.41	$	0.28	$	1.72	$	1.40
Diluted	$	0.41	$	0.28	$	1.72	$	1.40

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

In millions
Current assets	$	5
PP&E		11
Goodwill		46
Intangible assets		64
Current liabilities		(4	)
Total purchase price	$	122