Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

	For the three months ended June 30,				For the six months ended June 30,
(in millions, except share/per share amounts)	2018		2017		2018		2017
Net income	$	51	$	284	$	259	$	635
Mandatory convertible preferred stock dividend		–		27		–		54
Participating securities - mandatory convertible preferred stock		−		33		2		76
Net income attributable to common stock	$	51	$	224	$	257	$	505
Number of common shares:
Weighted average outstanding		581,159,200		496,419,815		576,255,744		494,753,391
Issued upon assumed exercise of outstanding stock options		–		–		–		3,317
Effect of issuance of non-vested restricted common stock		480,580		761,311		683,562		707,576
Effect of issuance of non-vested performance units		1,238,326		1,043,473		1,283,434		1,163,559
Weighted average and potential dilutive outstanding		582,878,106		498,224,599		578,222,740		496,627,843
Earnings per common share:
Basic	$	0.09	$	0.45	$	0.45	$	1.02
Diluted	$	0.09	$	0.45	$	0.44	$	1.02

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

	For the three months ended		For the six months ended
	June 30,		June 30,
	2018	2017	2018	2017
Unexercised stock options	–	–	–	1,344,942
Unvested share-based payment	4,335,715	6,106,322	5,152,847	3,504,222
Performance units	875,800	1,268,040	986,585	980,836
Mandatory convertible preferred stock	–	74,999,895	4,972,284	74,999,895
Total	5,211,515	82,374,257	11,111,716	80,829,895