Segment Reporting Other Items (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation and Amortization				$ 1,599
Investments in nonconsolidated affiliates		$ 76	$ 66
Payments to Acquire Property, Plant, and Equipment				1,163
Operating Segments [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation and Amortization		1,243	1,177	1,000
Investments in nonconsolidated affiliates		76	66	66
Payments to Acquire Property, Plant, and Equipment		$ 573	$ 475	666
Discontinued Operations [Member]
Segment Reporting, Other Significant Reconciling Item [Line Items]
Depreciation and Amortization	[1]			599
Payments to Acquire Property, Plant, and Equipment	[1]			$ 497

[1] See Note 5 - Divestitures and Other Transactions, to the Consolidated Financial Statements, for additional information