INCOME TAXES Income Taxes (Uncertain Tax Position) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 2016	Sep. 30, 2016	Dec. 31, 2015
Reconciliation of Total Gross Unrecognized Tax Benefits [Roll Forward]
Unrecognized Tax Benefits, beginning balance		$ 68	$ 1
Increases related to positions taken on items from prior years		300	67
Unrecognized Tax Benefits, ending balance		368	68
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		1	1
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense		82
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued		$ 121	$ 38
Provision for income taxes [Member]
Reconciliation of Total Gross Unrecognized Tax Benefits [Roll Forward]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ 57
Other noncurrent obligations [Member]
Reconciliation of Total Gross Unrecognized Tax Benefits [Roll Forward]
Increases related to positions taken on items from prior years	396
Deferred income tax assets [Member]
Reconciliation of Total Gross Unrecognized Tax Benefits [Roll Forward]
Increases related to positions taken on items from prior years	$ 339