SHAREHOLDERS' EQUITY (Tables)

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Schedule of Treasury Stock by Class

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
	Shares	Amount		Shares	Amount		Shares	Amount		Shares	Amount
2015 Repurchase Program—$1 billion	204,078	$	13	256,680	$	22	389,739	$	25	256,680	$	22

Schedule of Accumulated Other Comprehensive Income (Loss)

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

	June 30, 2018			December 31, 2017
Related to marketable securities	$	(17	)	$	(5	)
Related to employee benefit plans	(425		)	(376		)
Related to interest rate derivatives	7			1
Total	$	(435	)	$	(380	)