Supplementary Information Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Millions	Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019	[1],[2]	Dec. 31, 2018	[2]
Restricted Cash and Cash Equivalents Items [Line Items]
Cash and Cash Equivalents	$ 4,459		$ 3,526
Cash, Cash Equivalents, and Restricted Cash	4,836		3,873
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	4,836	[1]	3,873	[1]	$ 2,173		$ 5,024
Other Current Assets [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted Cash	$ 377		$ 347

[1] See page F-30 for reconciliation of cash and cash equivalents and restricted cash equivalents presented in the Consolidated Balance Sheets to total cash, cash equivalents and restricted cash equivalents presented in the Consolidated Statements of Cash Flows.

[2] The cash flows for the year ended December 31, 2019 includes cash flows of EID's ECP and Specialty Products Entities.