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, 2013	Mar. 31, 2012
Beginning balance	$ (1,558)
Other comprehensive income (loss) before reclassifications	(3)
Income taxes	(3)
Net other comprehensive income (loss) before reclassifications	(6)
Amounts reclassified from cumulative other comprehensive income (loss)(1)	54
Income taxes	(20)
Net amounts reclassified from cumulative other comprehensive income (loss)	34
Total other comprehensive income (loss)	28	(35)
Ending balance	(1,530)
Foreign currency translation adjustments
Beginning balance	413
Other comprehensive income (loss) before reclassifications	(17)
Income taxes	0
Net other comprehensive income (loss) before reclassifications	(17)
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)	(17)
Ending balance	396
Actuarial losses | Pension
Beginning balance	(1,942)
Other comprehensive income (loss) before reclassifications	13
Income taxes	(3)
Net other comprehensive income (loss) before reclassifications	10
Amounts reclassified from cumulative other comprehensive income (loss)(1)	55
Income taxes	(19)
Net amounts reclassified from cumulative other comprehensive income (loss)	36
Total other comprehensive income (loss)	46
Ending balance	(1,896)
Actuarial losses | Other Postretirement Benefits
Beginning balance	(137)
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 (loss)	2
Ending balance	(135)
Prior service credits (costs) | Pension
Beginning balance	(23)
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 (loss)	1
Ending balance	(22)
Prior service credits (costs) | Other Postretirement Benefits
Beginning balance	127
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 (loss)	(5)
Ending balance	122
Unrealized gains on available-for-sale securities
Beginning balance	4
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	$ 5