INCOME TAXES (Details - U.S. TAX REFORM OVERVIEW) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Income Tax [Line Items]
U.S. federal income tax at statutory rate (as a percent)	21.00%	35.00%	21.00%	35.00%
Impact of Tax Act					$ 6,700
Tax charge attributable to the reduction in the U.S. corporate income tax					6,700
Tax Act Discount Period Extension, Minimum			10 years
Tax Act Discount Period Extension, Maximum			24 years
Provisional tax benefit, deemed repatriation tax					38
Tax Cuts And Jobs Act Of 2017 Transition Tax For Accumulated Foreign Earnings Income Tax Expense					62
Tax Cuts And Jobs Act Of 2017 Transition Tax For Accumulated Foreign Earnings Liability					24
Tax Cuts And Jobs Act Incomplete Accounting Insurance Reserve Calculation Changes Provisional Income Tax Expense Benefit					$ 1,900