Acquisition of Atlas Energy Inc. (Tables)

12 Months Ended

Dec. 31, 2012

Business Combinations [Abstract]

Final measurement of Atlas' assets acquired and liabilities assumed

The following table summarizes the measurement of the assets acquired and liabilities assumed:

At February 17, 2011
Current assets	$	155
Investments and long-term receivables	456
Properties	6,051
Goodwill	27
Other assets	5
Total assets acquired	6,694
Current liabilities	(560		)
Long-term debt and capital leases	(761		)
Deferred income taxes	(1,915		)
Other liabilities	(25		)
Total liabilities assumed	(3,261		)
Net assets acquired	$	3,433