SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Reconciliation of Cash, Cash Equivalents and Restricted Cash and Cash Equivalents

The following table reconciles cash and cash equivalents and restricted cash and cash equivalents reported in the Consolidated Balance Sheets to the total amount shown in the Consolidated Statements of Cash Flows (in millions):  

	December 31,
	2020		2019		2018
As included in the Consolidated Balance Sheets:
Cash and cash equivalents	$	10,562	$	6,312	$	2,624
Restricted cash and cash equivalents included in "Other current assets"	20		20		21
Total cash and cash equivalents and restricted cash and cash equivalents as shown in the Consolidated Statements of Cash Flows	$	10,582	$	6,332	$	2,645