STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2018

Stockholders' Equity Note [Abstract]

Summary of common stock issuances

The following is a summary of common stock issuances:

Shares in thousands	Common Stock
Balance, December 31, 2015	891,360
Issued	843
Options exercised and other, net	12
Balance, December 31, 2016	892,215
Issued	1,252
Options exercised and other, net	2
Balance, December 31, 2017	893,469
Issued	1,628
Options exercised and other, net	19
Balance, December 31, 2018	895,116

Calculation of basic and diluted EPS

The following table presents the calculation of basic and diluted earnings per share for the years ended December 31:

(in millions, except per-share amounts)	2018			2017			2016
Income (loss) from continuing operations attributable to common stock	$	4,131		$	1,311		$	(1,002	)
Income from discontinued operations	—			—			428
Net income (loss)	4,131			1,311			(574		)
Less: Net income allocated to participating securities	(17		)	(6		)	—
Net income (loss), net of participating securities	$	4,114		$	1,305		$	(574	)
Weighted average number of basic shares	761.7			765.1			763.8
Basic earnings (loss) per common share	$	5.40		$	1.71		$	(0.75	)
Net income (loss), net of participating securities	$	4,114		$	1,305		$	(574	)
Weighted average number of basic shares	761.7			765.1			763.8
Dilutive securities	1.6			0.8			—
Total diluted weighted average common shares	763.3			765.9			763.8
Diluted earnings (loss) per common share	$	5.39		$	1.70		$	(0.75	)

Components of accumulated other comprehensive loss

Accumulated other comprehensive loss consisted of the following after-tax amounts:

Balance at December 31, (in millions)	2018			2017
Foreign currency translation adjustments	$	(7	)	$	(7	)
Unrealized gains on derivatives	5			—
Pension and postretirement adjustments (a)	(170		)	(251		)
Total	$	(172	)	$	(258	)

(a) See Note 14 for further information.