SHAREHOLDERS' EQUITY (Tables)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Schedule of Treasury Stock by Class

Share repurchase activity (in millions, except share amounts):

	Three Months Ended March 31,
	2018			2017
	Shares	Amount		Shares	Amount
2015 Repurchase Program—$1 billion	185,661	$	12	—	$	—

Schedule of Accumulated Other Comprehensive Income (Loss)

Components of accumulated other comprehensive loss, net of tax (in millions):

	March 31, 2018			December 31, 2017
Related to marketable securities	$	(15	)	$	(5	)
Related to employee benefit plans	(431		)	(376		)
Related to interest rate derivatives	6			1
Total	$	(440	)	$	(380	)