Quarterly Financial and Market Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Quarterly Financial and Market Information

Schedule of quarterly financial information

	For the Quarters Ended
	December 31,		September 30,		June 30,		March 31,
	2012		2012		2012		2012
	(Amounts in millions, except per share data)
Net revenues	$	1,768	$	841	$	1,075	$	1,172
Cost of sales		682		237		377		364
Operating income		484		227		227		513
Net income		354		226		185		384
Basic earnings per share		0.31		0.20		0.16		0.34
Diluted earnings per share		0.31		0.20		0.16		0.33
	For the Quarters Ended
	December 31,		September 30,		June 30,		March 31,
	2011		2011		2011		2011
	(Amounts in millions, except per share data)
Net revenues	$	1,407	$	754	$	1,146	$	1,449
Cost of sales		729		241		346		455
Operating income		25		162		467		674
Net income		99		148		335		503
Basic earnings per share		0.09		0.13		0.29		0.42
Diluted earnings per share		0.08		0.13		0.29		0.42