CUMULATIVE OTHER COMPREHENSIVE INCOME (LOSS) Items Included in Cumulative Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Beginning balance			$ (1,212)
Other comprehensive income (loss) before reclassifications			22
Income taxes			2
Net other comprehensive income (loss) before reclassifications			24
Amounts reclassified from cumulative other comprehensive income (loss)(1)			120
Income taxes			(42)
Net amounts reclassified from cumulative other comprehensive income (loss)			78
Total other comprehensive income	$ 23	$ 10	102	$ 80
Ending balance	(1,110)		(1,110)
Foreign currency translation adjustments
Beginning balance			207
Other comprehensive income (loss) before reclassifications			34
Income taxes			0
Net other comprehensive income (loss) before reclassifications			34
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			34
Ending balance	241		241
Actuarial losses | Pension
Beginning balance			(1,372)
Other comprehensive income (loss) before reclassifications			(16)
Income taxes			3
Net other comprehensive income (loss) before reclassifications			(13)
Amounts reclassified from cumulative other comprehensive income (loss)(1)			117
Income taxes			(40)
Net amounts reclassified from cumulative other comprehensive income (loss)			77
Total other comprehensive income			64
Ending balance	(1,308)		(1,308)
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)			6
Income taxes			(2)
Net amounts reclassified from cumulative other comprehensive income (loss)			4
Total other comprehensive income			6
Ending balance	(71)		(71)
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)			3
Income taxes			(1)
Net amounts reclassified from cumulative other comprehensive income (loss)			2
Total other comprehensive income			2
Ending balance	(9)		(9)
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)			(6)
Income taxes			1
Net amounts reclassified from cumulative other comprehensive income (loss)			(5)
Total other comprehensive income			(5)
Ending balance	30		30
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