UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (USD $) | | | | | | |
In Millions, except Share data | 3 Months Ended
Sep. 30, 2009
| 3 Months Ended
Sep. 30, 2008
| 9 Months Ended
Sep. 30, 2009
| 9 Months Ended
Sep. 30, 2008
| Dec. 31, 2008
| Dec. 31, 2007
|
AGL Resources Inc. Common Shareholders Equity, Beginning Balance | | | $1,684 | $1,708 | | |
Net income | 12 | 60 | 168 | 155 | | |
Other comprehensive income (loss) | 4 | 0 | (1) | (1) | | |
Dividends on common stock | | | (96) | (93) | | |
Distributions to noncontrolling interest | | | (20) | (30) | | |
Issuance of treasury shares, amount | | | 6 | 7 | | |
Stock-based compensation expense (net of taxes) (Note 1) | | | 6 | 7 | | |
AGL Resources Inc. Common Shareholders Equity, Ending Balance | 1,747 | 1,753 | 1,747 | 1,753 | 1,684 | 1,708 |
Common Stock [Member] | | | | | | |
AGL Resources Inc. Common Shareholders Equity, Beginning Balance | | | 390 | 390 | | |
Common stock shares, Beginning Balance | | | 76,900,000 | 76,400,000 | | |
Issuance of treasury shares, shares | | | 500,000 | 400,000 | | |
Common stock shares, Ending Balance | 77,400,000 | 76,800,000 | 77,400,000 | 76,800,000 | 76,900,000 | 76,400,000 |
AGL Resources Inc. Common Shareholders Equity, Ending Balance | 390 | 390 | 390 | 390 | 390 | 390 |
Accumulated Other Comprehensive Income [Member] | | | | | | |
AGL Resources Inc. Common Shareholders Equity, Beginning Balance | | | (134) | (13) | | |
Other comprehensive income (loss) | | | 0 | (1) | | |
AGL Resources Inc. Common Shareholders Equity, Ending Balance | (134) | (14) | (134) | (14) | (134) | (13) |
Additional Paid-in Capital [Member] | | | | | | |
AGL Resources Inc. Common Shareholders Equity, Beginning Balance | | | 676 | 667 | | |
Issuance of treasury shares, amount | | | (6) | (1) | | |
Stock-based compensation expense (net of taxes) (Note 1) | | | 6 | 7 | | |
AGL Resources Inc. Common Shareholders Equity, Ending Balance | 676 | 673 | 676 | 673 | 676 | 667 |
Retained Earnings [Member] | | | | | | |
AGL Resources Inc. Common Shareholders Equity, Beginning Balance | | | 763 | 680 | | |
Net income | | | 151 | 143 | | |
Dividends on common stock | | | (99) | (96) | | |
Issuance of treasury shares, amount | | | (4) | (4) | | |
AGL Resources Inc. Common Shareholders Equity, Ending Balance | 811 | 723 | 811 | 723 | 763 | 680 |
Treasury Stock [Member] | | | | | | |
AGL Resources Inc. Common Shareholders Equity, Beginning Balance | | | (43) | (63) | | |
Dividends on common stock | | | 3 | 3 | | |
Issuance of treasury shares, amount | | | 16 | 12 | | |
AGL Resources Inc. Common Shareholders Equity, Ending Balance | (24) | (48) | (24) | (48) | (43) | (63) |
Noncontrolling Interest [Member] | | | | | | |
AGL Resources Inc. Common Shareholders Equity, Beginning Balance | | | 32 | 47 | | |
Net income | | | 17 | 12 | | |
Other comprehensive income (loss) | | | (1) | 0 | | |
Distributions to noncontrolling interest | | | (20) | (30) | | |
AGL Resources Inc. Common Shareholders Equity, Ending Balance | $28 | $29 | $28 | $29 | $32 | $47 |