Acquisition of Atlas Energy Inc. (Tables)

12 Months Ended

Dec. 31, 2011

Acquisition of Atlas Energy, Inc. [Abstract]

Final measurement of Atlas' assets acquired and liabilities assumed

Millions of Dollars	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