INCOME TAXES - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Aug. 08, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Schedule Of Income Taxes [Line Items]
Income tax charge for internal restructuring transactions		$ 1,397		$ 2,626
Income taxes benefits		1,700	$ 113	2,829	$ 179
Income tax benefit on ordinary income		179		334
Income tax benefit related to intangible impairment		108
Net tax benefit on capital loss resulting from liquidation		472
Deferred tax asset on investment		925		925
Gain on reversal of deferred tax liability				1,947
Increase in deferred tax assets for NOL's				679
Income tax charge for divestitures				224
Valuation allowance against deferred tax assets		2,225		2,225		$ 1,857
Tax benefit on return to provision adjustments				32
Unrecognized tax benefits including interest and penalties		500		500		423
Unrecognized tax benefits related to interest and penalties		44		44		$ 39
Portion of unrecognized tax benefits, if recognized, would reduce the Company's effective tax rate		$ 257		$ 257
Foreign
Schedule Of Income Taxes [Line Items]
Income taxes benefits					$ 179
Foreign | Australian Tax Office
Schedule Of Income Taxes [Line Items]
Assessment including penalties and interest	$ 117