Note 3 - Merger with Nicor (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Purchase Price Allocation [Table Text Block]

In millions
Current assets	$	955
Property, plant and equipment		3,192
Goodwill		1,403
Other noncurrent assets, excluding goodwill		889
Current liabilities		(1,194	)
Long-term debt		(599	)
Other noncurrent liabilities		(2,143	)
Total purchase consideration	$	2,503

Schedule of Goodwill [Table Text Block]

In millions	Distribution operations		Retail operations		Midstream operations		Cargo shipping		Consolidated
AGL Resources’ legacy goodwill	$	400	$	0	$	14	$	0	$	414
Merger with Nicor		1,191		122		0		90		1,403
Total goodwill	$	1,591	$	122	$	14	$	90	$	1,817

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

In millions	Fair Value		Weighted average amortization period
Trade names:
Retail operations	$	29	15 years
Cargo shipping		15	15 years
Customer relationships:
Retail operations		53	10 years
Cargo shipping		4	18 years
Total	$	101

Business Acquisition, Pro Forma Information [Table Text Block]

In millions, except per share amounts	Twelve months ended December 31, 2011		Nine months ended September 30, 2011
Total revenues	$	4,680	$	3,410
Net income attributable to AGL Resources Inc.	$	304	$	201
Basic earnings per common share	$	2.62	$	1.74
Diluted earnings per common share	$	2.61	$	1.73

Regulatory Assets and Liabilities [Member]

Schedule of Purchase Price Allocation [Table Text Block]

In millions
Current assets	$	59
Other noncurrent assets, excluding goodwill		567
Current liabilities		(107	)
Other noncurrent liabilities		(1,138	)