Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2011

Comprehensive Income (Tables) [Abstract]

Comprehensive Income

	Three Months Ended September 30,						Nine Months Ended September 30,
(in millions)	2011			2010			2011			2010
Net income (loss)	$	142		$	190		$	334		$	(1,301	)
Foreign currency translation adjustment	(44		)	34			2			(51		)
Net change in unrealized gains and losses on derivative financial instruments, net of tax	35			(114		)	(5		)	(23		)
Comprehensive income (loss)	$	133		$	110		$	331		$	(1,375	)