CUMULATIVE OTHER COMPREHENSIVE INCOME (LOSS) - Items Included in Cumulative Other Comprehensive Income (Loss) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Beginning balance	$ (1,393)
Other comprehensive income (loss) before reclassifications	(5)
Income taxes	(10)
Net other comprehensive income (loss) before reclassifications	(15)
Amounts reclassified from cumulative other comprehensive income (loss)(1)	45
Income taxes	(16)
Net amounts reclassified from cumulative other comprehensive income (loss)	29
Total other comprehensive income (loss)	14	(15)
Ending balance	(1,379)
Foreign currency translation adjustments
Beginning balance	304
Other comprehensive income (loss) before reclassifications	(47)
Income taxes	0
Net other comprehensive income (loss) before reclassifications	(47)
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 (loss)	(47)
Ending balance	257
Actuarial losses | Pension
Beginning balance	(1,623)
Other comprehensive income (loss) before reclassifications	40
Income taxes	(10)
Net other comprehensive income (loss) before reclassifications	30
Amounts reclassified from cumulative other comprehensive income (loss)(1)	44
Income taxes	(15)
Net amounts reclassified from cumulative other comprehensive income (loss)	29
Total other comprehensive income (loss)	59
Ending balance	(1,564)
Actuarial losses | Other Postretirement Benefits
Beginning balance	(108)
Other comprehensive income (loss) before reclassifications	2
Income taxes	0
Net other comprehensive income (loss) before reclassifications	2
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 (loss)	3
Ending balance	(105)
Prior service credits (costs) | Pension
Beginning balance	(15)
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)	1
Income taxes	0
Net amounts reclassified from cumulative other comprehensive income (loss)	1
Total other comprehensive income (loss)	1
Ending balance	(14)
Prior service credits (costs) | Other Postretirement Benefits
Beginning balance	43
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)	(2)
Income taxes	0
Net amounts reclassified from cumulative other comprehensive income (loss)	(2)
Total other comprehensive income (loss)	(3)
Ending balance	40
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 (loss)	1
Ending balance	$ 7