Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Organization and Summary of Significant Accounting Policies [Abstract]

Summary of Cash and Cash Equivalents

	For the years ended December 31,
(in millions)	2018		2017
Cash	$	32	$	261
Marketable securities (1)		169		605
Other cash equivalents		–		50	(2)
Total	$	201	$	916

(1) Consists of government stable value money market funds.

(2) Consists of time deposits.

Schedule of Earnings Per Share

	For the years ended December 31,
(in millions, except share/per share amounts)	2018		2017		2016
Net income (loss)	$	537	$	1,046	$	(2,643)
Mandatory convertible preferred stock dividend		–		108		108
Participating securities – mandatory convertible preferred stock		2		123		–
Net income (loss) attributable to common stock	$	535	$	815	$	(2,751)
Number of common shares:
Weighted average outstanding	574,631,756		498,264,321		435,337,402
Issued upon assumed exercise of outstanding stock options		–		–		–
Effect of issuance of non-vested restricted common stock		698,103		1,061,056		–
Effect of issuance of non-vested performance units		1,312,949		1,478,920		–
Weighted average and potential dilutive outstanding	576,642,808		500,804,297		435,337,402
Earnings (loss) per common share:
Basic	$	0.93	$	1.64	$	(6.32)
Diluted	$	0.93	$	1.63	$	(6.32)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

	For the years ended December 31,
	2018	2017	2016
Unexercised stock options	5,909,082	116,717	3,692,697
Unvested share-based payment	3,692,794	5,361,849	959,233
Performance units	642,568	765,689	884,644
Mandatory convertible preferred stock	2,465,708	74,999,895	74,999,895
Total	12,710,152	81,244,150	80,536,469

Schedule of Supplemental Disclosures of Cash Flow Information

	For the years ended December 31,
(in millions)	2018		2017		2016
Cash paid during the year for interest, net of amounts capitalized	$	135	$	130	$	75
Cash paid (received) during the year for income taxes		6		(5)		(15)
Increase (decrease) in noncash property additions		(42)		25		55