CONTINGENCIES, COMMITMENTS AND GUARANTEES (Details - Contingencies, Commitments and Guarantees) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019
CONTINGENCIES, COMMITMENTS AND GUARANTEES
Right of use asset	$ 648			$ 724
Lease liability	733			$ 823
Lease payments	$ 248
Leases, weighted average discount rate	3.21%
Leases, weighted average lease term	4 years 10 months 24 days
Rent expense	$ 232	$ 283	$ 269
Future undiscounted cash flows under operating leases
2020	250
2021	186
2022	108
2023	84
2024	64
Remaining years after 2024	165
Total	857
Gain on sale leaseback	200
Future undiscounted obligations	507
Other commitments	7,400
Amount outstanding under standby letters of credit at end of period	$ 81