SUPPLEMENTAL FINANCIAL INFORMATION Other Current Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Equity investments	$ 3,405		$ 674
Inventory, Noncurrent	1,373		429
Operating Lease, Right-of-Use Asset	704	$ 543	0
Assets for Plan Benefits, Defined Benefit Plan	456		809
Restricted Cash, Noncurrent	390		0
Other Assets, Miscellaneous, Noncurrent	276		112
Other Assets, Noncurrent	$ 6,604		$ 2,024