INCOME TAXES (Tables)

3 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Unrecognized Tax Benefits

UNRECOGNIZED TAX BENEFITS
(In millions)	March 31, 2018		December 31, 2017
Unrecognized tax benefits	$	5,403	$	5,449
Portion that, if recognized, would reduce tax expense and effective tax rate(a)	3,676		3,626
Accrued interest on unrecognized tax benefits	853		810
Accrued penalties on unrecognized tax benefits	198		158
Reasonably possible reduction to the balance of unrecognized tax benefits
in succeeding 12 months	0-1,300		0-1,100
Portion that, if recognized, would reduce tax expense and effective tax rate(a)	0-1,100		0-900

(a) Some portion of such reduction may be reported as discontinued operations.