ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Changes in Accumulated Other Comprehensive Loss by Component

	Amounts reclassified from AOCL						Affected line item in the Condensed Consolidated Statements of  Comprehensive Income
AOCL Components	Three months ended June 30, 2019			Three months ended June 30, 2018
Amortization of benefit items:
Prior service cost	$	4		$	4		Other income, net
Total reclassifications, before tax	$	4		$	4		Income before income taxes
Income tax expense	(1		)	(2		)	Income tax expense
Total reclassifications	$	3		$	2		Net of tax
	Amounts reclassified from AOCL						Affected line item in the Condensed Consolidated Statements of  Comprehensive Income
AOCL Components	Six months ended June 30, 2019			Six months ended June 30, 2018
Amortization of benefit items:
Prior service cost	$	7		$	7		Other income, net
Total reclassifications, before tax	$	7		$	7		Income before income taxes
Income tax expense	(2		)	(2		)	Income tax expense
Total reclassifications	$	5		$	5		Net of tax

The following tables reconcile changes in AOCL by component (net of tax, dollars in millions):

	Three months ended
	Pension and OPEB liability adjustment			Available-for-sale securities and interest rate swaps			Foreign currency items			Total
AOCL as of March 31, 2018	$	5		$	—		$	(16	)	$	(11	)
Other comprehensive loss before reclassifications	—			(2		)	(12		)	(14		)
Amounts reclassified from AOCL	(4		)	—			—			(4		)
Income tax	2			—			—			2
Net current period other comprehensive loss	$	(2	)	$	(2	)	$	(12	)	$	(16	)
AOCL as of June 30, 2018	$	3		$	(2	)	$	(28	)	$	(27	)
AOCL as of March 31, 2019	$	15		$	(16	)	$	(32	)	$	(33	)
Other comprehensive (loss) income before reclassifications	—			(15		)	1			(14		)
Amounts reclassified from AOCL	(4		)	—			—			(4		)
Income tax	1			3			—			4
Net current period other comprehensive (loss) income	$	(3	)	$	(12	)	$	1		$	(14	)
AOCL as of June 30, 2019	$	12		$	(28	)	$	(31	)	$	(47	)

	Six months ended
	Pension and OPEB liability adjustment			Available-for-sale securities and interest rate swaps			Foreign currency items			Total
AOCL as of December 31, 2017	$	8		$	—		$	(23	)	$	(15	)
Other comprehensive loss before reclassifications	—			(2		)	(5		)	(7		)
Amounts reclassified from AOCL	(7		)	—			—			(7		)
Income tax	2			—			—			2
Net current period other comprehensive loss	$	(5	)	$	(2	)	$	(5	)	$	(12	)
AOCL as of June 30, 2018	$	3		$	(2	)	$	(28	)	$	(27	)
AOCL as of December 31, 2018	$	9		$	(7	)	$	(32	)	$	(30	)
Other comprehensive (loss) income before reclassifications	—			(25		)	1			(24		)
Amounts reclassified from AOCL	(7		)	—			—			(7		)
Income tax	2			5			—			7
Reclassification of stranded tax effects	8			(1		)	—			7
Net current period other comprehensive income (loss)	$	3		$	(21	)	$	1		$	(17	)
AOCL as of June 30, 2019	$	12		$	(28	)	$	(31	)	$	(47	)