Quarterly Financial Information (Unaudited)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information (Unaudited)

Quarterly Financial Information (Unaudited)

	For the Quarters Ended
	December 31, 2015		September 30, 2015		June 30, 2015		March 31, 2015
	(Amounts in millions, except per share data)
Net revenues	$	1,353	$	990	$	1,044	$	1,278
Cost of sales	538		337		297		413
Operating income	250		196		332		542
Net income	159		127		212		394
Basic earnings per share	0.22		0.17		0.29		0.54
Diluted earnings per share	0.21		0.17		0.29		0.53

	For the Quarters Ended
	December 31, 2014		September 30, 2014			June 30, 2014		March 31, 2014
	(Amounts in millions, except per share data)
Net revenues	$	1,575	$	753		$	970	$	1,111
Cost of sales	631		253			300		342
Operating income	438		8			310		427
Net income (loss)	361		(23		)	204		293
Basic earnings (loss) per share	0.49		(0.03		)	0.28		0.40
Diluted earnings (loss) per share	0.49		(0.03		)	0.28		0.40