INCOME TAXES (Schedule of Deferred Tax Balances) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Income Tax Note [Line Items]
Property, deferred tax assets	$ 62	[1]	$ 58	[1]
Tax loss and credit carryforwards, deferred tax assets	2,012	[1]	1,954	[1]
Postretirement benefit obligations, deferred tax assets	3,619	[1]	4,900	[1]
Other accruals and reserves, deferred tax assets	1,901	[1]	2,167	[1]
Intangibles, deferred tax assets	113	[1]	218	[1]
Inventory, deferred tax assets	217	[1]	240	[1]
Long-term debt, deferred tax assets	0	[1]	0	[1]
Investments, deferred tax assets	137	[1]	317	[1]
Other - net, deferred tax assets	1,143	[1]	1,168	[1]
Subtotal, deferred tax assets	9,204	[1]	11,022	[1]
Valuation allowances, deferred tax assets	(1,112)	[1]	(1,399)	[1]
Total, deferred tax assets	8,092	[1]	9,623	[1]
Prepaid tax assets, deferred tax assets	205		218
Property, deferred tax liabilities	2,165		2,128
Postretirement benefit obligations, deferred tax liabilities	1,150		1,291
Other accruals and reserves, deferred tax liabilities	392		329
Intangibles, deferred tax liabilities	827		994
Inventory, deferred tax liabilities	197		179
Long-term debt, deferred tax liabilities	600		599
Investments, deferred tax liabilities	111		183
Other - net, deferred tax liabilities	794		642
Total, deferred tax liabilities	$ 6,236		$ 6,345

[1] Included in current deferred tax assets are prepaid tax assets totaling $205 million in 2013 and $218 million in 2012.