Note 13 - Revision to Prior Period Financial Statements (Tables)

3 Months Ended

Mar. 31, 2014

Revisions to Income Statement [Member]

Note 13 - Revision to Prior Period Financial Statements (Tables) [Line Items]

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

	For the three months ended
	March 31, 2014									March 31, 2013
In millions, except per share amounts	As filed (1)			Adjustment			Revised			As filed (1)			Adjustment			Revised
Operating revenues	$	2,474		$	(12	)	$	2,462		$	1,622		$	(10	)	$	1,612
Operating expenses
Cost of goods sold		1,400			-			1,400			920			-			920
Operation and maintenance		289			-			289			232			(1	)		231
Depreciation and amortization		93			-			93			102			-			102
Taxes other than income taxes		88			-			88			70			(1	)		69
Total operating expenses		1,870			-			1,870			1,324			(2	)		1,322
Operating income		604			(12	)		592			298			(8	)		290
Other income		3			-			3			5			-			5
Interest expense, net		(48	)		2			(46	)		(46	)		1			(45	)
Income before income taxes		559			(10	)		549			257			(7	)		250
Income tax expense		207			(4	)		203			94			(3	)		91
Income from continuing operations		352			(6	)		346			163			(4	)		159
(Loss) income from discontinued operations		(50	)		-			(50	)		1			-			1
Net income		302			(6	)		296			164			(4	)		160
Less net income attributable to the noncontrolling interest		12			-			12			10			-			10
Net income attributable to AGL Resources Inc.	$	290		$	(6	)	$	284		$	154		$	(4	)	$	150
Per common share information
Basic earnings (loss) per common share (2)
Continuing operations	$	2.87		$	(0.05	)	$	2.82		$	1.30		$	(0.03	)	$	1.27
Discontinued operations		(0.43	)		-			(0.43	)		0.01			-			0.01
Basic earnings per common share attributable to AGL Resources Inc. common shareholders	$	2.44		$	(0.05	)	$	2.39		$	1.31		$	(0.03	)	$	1.28
Diluted earnings (loss) per common share (2)
Continuing operations	$	2.87		$	(0.06	)	$	2.81		$	1.30		$	(0.04	)	$	1.26
Discontinued operations		(0.43	)		-			(0.43	)		0.01			-			0.01
Diluted earnings per common share attributable to AGL Resources Inc. common shareholders	$	2.44		$	(0.06	)	$	2.38		$	1.31		$	(0.04	)	$	1.27

Revisions to Balance Sheets [Member]

Note 13 - Revision to Prior Period Financial Statements (Tables) [Line Items]

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

	As of March 31, 2014				As of March 31, 2013
In millions	As filed (1)		Revised		As filed (1)		Revised
Current assets
Regulatory assets	$	297	$	250	$	119	$	72
Other		127		127		95		93
Total current assets		3,637		3,589		2,577		2,530
Long-term assets and other deferred debits
Property, plant and equipment		11,068		11,054		10,463		10,450
Less accumulated depreciation		2,368		2,367		2,181		2,181
Property, plant and equipment, net		8,700		8,687		8,282		8,269
Regulatory assets		736		696		878		868
Intangible assets		151		140		136		131
Other		319		314		245		231
Total long-term assets and other deferred debits		11,739		11,675		11,363		11,332
Total assets	$	15,376	$	15,264	$	13,940	$	13,862
Current liabilities
Accrued expenses	$	390	$	385	$	162	$	161
Total current liabilities		3,753		3,754		3,060		3,059
Long-term liabilities and other deferred credits
Accumulated deferred income taxes		1,699		1,655		1,568		1,539
Total long-term liabilities and other deferred credits		7,711		7,667		7,339		7,310
Total liabilities and other deferred credits	$	11,465	$	11,421	$	10,399	$	10,369
Equity
Additional paid-in capital	$	2,059	$	2,060	$	2,019	$	2,020
Retained earnings		1,358		1,289		1,134		1,085
Total equity		3,911		3,843		3,541		3,493
Total liabilities and equity	$	15,376	$	15,264	$	13,940	$	13,862

Revisions to Statement of Cash Flows [Member]

Note 13 - Revision to Prior Period Financial Statements (Tables) [Line Items]

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

	For the three months ended March 31, 2014							For the three months ended March 31, 2013
In millions	As filed (1)		Adjustment			Revised		As filed (1)			Adjustment			Revised
Cash flows from operating activities
Net income	$	302	$	(6	)	$	296	$	164		$	(4	)	$	160
Adjustments to reconcile net income to net cash flow provided by operating activities
Depreciation and amortization		93		-			93		102			-			102
Deferred income taxes		42		(34	)		8		(24	)		(1	)		(25	)
Changes to certain assets and liabilities
Other, net		23		40			63		28			5			33
Net cash flow provided by operating activities	$	853		-		$	853	$	850			-		$	850

Revision to Intangible Assets [Member]

Note 13 - Revision to Prior Period Financial Statements (Tables) [Line Items]

Schedule of Error Corrections and Prior Period Adjustments [Table Text Block]

	March 31, 2014								March 31, 2013
In millions	Gross		Accumulated amortization			Net			Gross		Accumulated amortization			Net
Customer relationships
Retail operations as reported	$	130	$	(18	)	$	112		$	99	$	(7	)	$	92
Adjustments		-		(12	)		(12	)		-		(6	)		(6	)
Revised total	$	130	$	(30	)	$	100		$	99	$	(13	)	$	86
Trade names
Retail operations as reported	$	45	$	(6	)	$	39		$	46	$	(3	)	$	43
Adjustments		-		1			1			1		1			2
Revised total	$	45	$	(5	)	$	40		$	47	$	(2	)	$	45