Exhibit 12.2

Computation of Ratio of Earnings to Fixed Charges

	Nine Months Ended			For the Years Ended
	September 30,			December 31,
	2010			2009			2008			2007			2006			2005
	(in millions)
Earnings:
Income (loss) from continuing operations before income taxes		($2,365	)		($3,494	)		($4,060	)		($29,775	)	$	1,483		$	1,291
Equity in losses (income) of unconsolidated investments		848			803			64			3			6			(107	)
Fixed charges		1,579			2,047			2,094			2,213			2,242			1,742
Interest capitalized		(10	)		(12	)		(123	)		(127	)		(113	)		(53	)
Amortization of interest capitalized		64			85			80			72			107			98
Earnings (loss), as adjusted		116			(571	)		(1,945	)		(27,614	)		3,725			2,971
Fixed charges:
Interest expense, gross		1,114			1,450			1,362			1,433			1,533			1,294
Interest capitalized		10			12			123			127			113			53
Portion of rentals representative of interest		455			585			609			653			596			395
Fixed charges		1,579			2,047			2,094			2,213			2,242			1,742
Ratio of earnings to fixed charges		—	(1)		—	(2)		—	(3)		—	(4)		1.66			1.71

(1)	Earnings (loss), as adjusted were inadequate to cover fixed charges by $1.5 billion at September 30, 2010.
(2)	Earnings (loss), as adjusted were inadequate to cover fixed charges by $2.6 billion in 2009.
(3)	Earnings (loss), as adjusted were inadequate to cover fixed charges by $4.0 billion in 2008.
(4)	Earnings (loss), as adjusted were inadequate to cover fixed charges by $29.8 billion in 2007.