UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010	Sep. 30, 2010
Current assets
Cash and cash equivalents	$ 165	$ 24	$ 14
Receivables
Energy marketing receivables (Note 2)	512	788	453
Gas, unbilled and other receivables	144	390	126
Less allowance for uncollectible accounts	17	16	19
Total receivables	639	1,162	560
Inventories, net
Inventories, net (Note 2)	635	639	668
Derivative financial instruments - current portion (Note 2, Note 4 and Note 5)	148	182	212
Recoverable regulatory infrastructure program costs - current portion (Note 2)	62	48	43
Recoverable environmental remediation costs - current portion (Note 2 and Note 9)	7	7	7
Other current assets	145	104	124
Total current assets	1,801	2,166	1,628
Long-term assets and other deferred debits
Property, plant and equipment	6,521	6,266	6,139
Less accumulated depreciation	1,886	1,861	1,846
Property, plant and equipment-net	4,635	4,405	4,293
Goodwill	418	418	418
Recoverable regulatory infrastructure program costs (Note 2)	269	244	244
Recoverable environmental remediation costs (Note 2)	213	164	154
Derivative financial instruments (Note 2, Note 4 and Note 5)	38	46	57
Other	85	77	82
Total long-term assets and other deferred debits	5,658	5,354	5,248
Total assets	7,459	7,520	6,876
Current liabilities
Energy marketing trade payable (Note 2)	586	744	516
Accounts payable - trade	124	178	126
Accrued expenses	87	139	101
Accrued regulatory infrastructure program costs - current portion (Note 2)	119	62	65
Short-term debt (Note 4 and Note 7)	2	733	675
Derivative financial instruments - current portion (Note 2, Note 4 and Note 5)	45	44	80
Accrued environmental remediation liabilities - current portion (Note 2 and Note 9)	23	14	21
Current portion of long-term debt	15	300	300
Other current liabilities	139	218	180
Total current liabilities	1,140	2,432	2,064
Long-term liabilities and other deferred credits
Long-term debt (Note 4 and Note 7)	2,687	1,671	1,512
Accumulated deferred income taxes	895	768	727
Accumulated removal costs	254	182	187
Accrued pension obligations (Note 6)	151	186	147
Accrued regulatory infrastructure program costs (Note 2)	138	166	159
Accrued environmental remediation liabilities (Note 2 and Note 9)	166	129	116
Accrued postretirement benefit costs (Note 6)	29	36	32
Derivative financial instruments (Note 2, Note 4 and Note 5)	14	4	10
Other long-term liabilities and other deferred credits	104	110	108
Total long-term liabilities and other deferred credits	4,438	3,252	2,998
Total liabilities and other deferred credits	5,578	5,684	5,062
Commitments And Contingencies
Equity
AGL Resources Inc. common shareholders' equity, $5 par value; 750,000,000 shares authorized	1,864	1,813	1,798
Noncontrolling interest (Note 8)	17	23	16
Total equity	1,881	1,836	1,814
Total liabilities and equity	$ 7,459	$ 7,520	$ 6,876