SHAREOWNERS' EQUITY - Activity in Deferred Compensation Program (Detail) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stockholders Equity Note [Line Items]
Document Fiscal Year Focus	2014
Benefit Obligations:
Balance at beginning of year	$ 6,474
Balance at end of period	2,141
Balance at beginning of year, Treasury Stock	(1,000,000)
Balance at end of year, Treasury Stock	(1,000,000)
Treasury Stock
Benefit Obligations:
Balance at beginning of year	(69)	(78)	(88)
Reinvested dividends	(2)	(4)	(3)
Options exercise deferrals	0	0	0
Benefit payments	12	13	13
Balance at end of period	(59)	(69)	(78)
Balance at beginning of year, Treasury Stock	(1,000,000)	(1,000,000)	(2,000,000)
Reinvested dividends, Treasury Stock	0	0
Options exercise deferrals, Treasury Stock	0	0	0
Benefit payments, Treasury Stock	0	0	1,000,000
Balance at end of year, Treasury Stock	(1,000,000)	(1,000,000)	(1,000,000)
Deferred Compensation Obligations
Benefit Obligations:
Balance at beginning of year	69	78	88
Reinvested dividends	(2)	(4)	(3)
Options exercise deferrals	0	0	0
Benefit payments	(12)	(13)	(13)
Balance at end of period	$ 59	$ 69	$ 78