CUMULATIVE OTHER COMPREHENSIVE INCOME (LOSS) Items Included in Cumulative Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Beginning balance			$ (1,212)
Other comprehensive income (loss) before reclassifications			24
Income taxes			3
Net other comprehensive income (loss) before reclassifications			27
Amounts reclassified from cumulative other comprehensive income (loss)(1)			80
Income taxes			(28)
Net amounts reclassified from cumulative other comprehensive income (loss)			52
Total other comprehensive income	$ 30	$ 56	79	$ 70
Ending balance	(1,133)		(1,133)
Foreign currency translation adjustments
Beginning balance			207
Other comprehensive income (loss) before reclassifications			39
Income taxes			0
Net other comprehensive income (loss) before reclassifications			39
Amounts reclassified from cumulative other comprehensive income (loss)(1)			0
Income taxes			0
Net amounts reclassified from cumulative other comprehensive income (loss)			0
Total other comprehensive income			39
Ending balance	246		246
Actuarial losses | Pension
Beginning balance			(1,372)
Other comprehensive income (loss) before reclassifications			(19)
Income taxes			4
Net other comprehensive income (loss) before reclassifications			(15)
Amounts reclassified from cumulative other comprehensive income (loss)(1)			78
Income taxes			(27)
Net amounts reclassified from cumulative other comprehensive income (loss)			51
Total other comprehensive income			36
Ending balance	(1,336)		(1,336)
Actuarial losses | Other Postretirement Benefits
Beginning balance			(77)
Other comprehensive income (loss) before reclassifications			3
Income taxes			(1)
Net other comprehensive income (loss) before reclassifications			2
Amounts reclassified from cumulative other comprehensive income (loss)(1)			4
Income taxes			(1)
Net amounts reclassified from cumulative other comprehensive income (loss)			3
Total other comprehensive income			5
Ending balance	(72)		(72)
Prior service credits (costs) | Pension
Beginning balance			(11)
Other comprehensive income (loss) before reclassifications			0
Income taxes			0
Net other comprehensive income (loss) before reclassifications			0
Amounts reclassified from cumulative other comprehensive income (loss)(1)			2
Income taxes			(1)
Net amounts reclassified from cumulative other comprehensive income (loss)			1
Total other comprehensive income			1
Ending balance	(10)		(10)
Prior service credits (costs) | Other Postretirement Benefits
Beginning balance			35
Other comprehensive income (loss) before reclassifications			0
Income taxes			0
Net other comprehensive income (loss) before reclassifications			0
Amounts reclassified from cumulative other comprehensive income (loss)(1)			(4)
Income taxes			1
Net amounts reclassified from cumulative other comprehensive income (loss)			(3)
Total other comprehensive income			(3)
Ending balance	32		32
Unrealized gains on available-for-sale securities
Beginning balance			6
Other comprehensive income (loss) before reclassifications			1
Income taxes			0
Net other comprehensive income (loss) before reclassifications			1
Amounts reclassified from cumulative other comprehensive income (loss)(1)			0
Income taxes			0
Net amounts reclassified from cumulative other comprehensive income (loss)			0
Total other comprehensive income			1
Ending balance	$ 7		$ 7