SEGMENT INFORMATION (Details - Consolidated operations and long-lived assets by major geographic area) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 13,010	$ 12,854	$ 14,724	$ 11,779	$ 13,831	$ 12,822	$ 15,699	$ 15,975	$ 52,367	$ 58,327	$ 64,406
Real Estate and Other Fixed Assets, Net of Accumulated Depreciation	2,660				3,135				2,660	3,135	2,700
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									37,405	41,623	40,291
Real Estate and Other Fixed Assets, Net of Accumulated Depreciation	734				912				734	912	819
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									4,613	5,772	6,140
Real Estate and Other Fixed Assets, Net of Accumulated Depreciation	145				171				145	171	154
JAPAN
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									3,636	4,293	3,641
Real Estate and Other Fixed Assets, Net of Accumulated Depreciation	524				449				524	449	400
Other Foreign
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									6,713	6,639	14,334
Real Estate and Other Fixed Assets, Net of Accumulated Depreciation	$ 1,257				$ 1,603				$ 1,257	$ 1,603	$ 1,327